Check & Load Control Valves

Transcription

1 Overview The HYDAC range of direct and pilot operated check valves provide a broad selection of cartridge and inline products with operating pressure rating of up to 6 psi (4 bar). All valves have a one piece body design and hardened balls or poppets. This provides an excellent product with reliable seating, drops/minute maximum internal leakage, dirt-tolerance and long life. Check Valves offer optional bias springs and flow capacity up to 44 (65 ). Check valve cartridges fit into Industry standard cavities. A wide selection of cracking pressures are available from 5 to 7 psi (.5 5 bar). Thus they could be used not only as a conventional check but also as a low pressure relief valves. Pilot Operated Check Valves are available for flows up to 4 (5 ) and pilot ratios : and 4:. These valves positively lock a load from port to port until pilot pressure applied to port is sufficient to unseat the valve. This flow path provides for higher flow rating in a given cavity, excellent stability and repeatability. They also fit into the same cavity as HYDAC counterbalance valves. These valves provide a low cost alternative to load control when the dynamics of neither overrunning loads nor load release speed are factors to be considered in the design of the hydraulic circuit. They are used for: Position load locking. As an alternative to counterbalance valves where neither the overrunning loads or release speed are factors in the application. Single Pilot-to-Open Check Valves and Dual Pilot-to Open Check Valves are inline housed, pilot operated, hydraulic check valves for use as a blocking or load holding device for flow rates up to (8 ) and 6 psi (4 bar). They feature: Hardened closing element in a check valve to ensure extended service life and drops/min maximum internal leakage Multiple bias spring options for back pressure application flexibility Optional sealed pilot piston Check section serviceable as a cartridge All zinc-plated external cartridge surfaces Aluminum or steel inline housings Counterbalance Valve RS8- is a compact cartridge design with operating pressure up to 5 psi (5 bar) and flow rate up to (8 ). These valves are used for Precise control of overrunning loads Positive load holding in any position Protection from pump cavitation Thermal expansion relief protection Preventing actuators from running ahead of the pump supply Counterbalance Valves have: A built in check valve feature allowing free flow in one direction A relief feature controlling flow in the other direction A pilot signal that overrides the relief setting providing the counterbalance function PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 59

2 RP8A- Check Valve, Pilot-to-Open, Poppet Type Up to (8 ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, poppet type pilot operated check valve for use as a blocking or load holding device. Operation The RP8A allows flow from port to port, while normally blocking flow from port to port. The valve remains closed by bias spring until sufficient pressure is applied at pilot port. The cartridge has : and 4: optional pilot ratios, meaning that at least one-third or one-fourth (respectively) of the load pressure held at port is required at port to open the valve. A sealed pilot piston option is available. Features Hardened poppet to ensure extended service life and low leakage Additional reseating spring for fast and reliable closing Optional sealed pilot piston Higher flow rating and low pressure drop due to pilot port at. Same cavity as counterbalance valve RS8. All external surfaces zinc-plated or specifically treated Industry common cavity Specifications Operating 6 psi (4 bar) Nominal (8 ) Internal Leakage drops/min. at 6 psi (. cc/min at 4 bar) Pilot Ratio :, 4: Standard Check Bias Spring 5 psi (. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC8- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight.9 Lbs. (.9 kg) Cartridge Material Steel with hardened work surfaces. Buna N or o-rings. PTFE back-up rings. Seal Kits Buna-N FS8-N FS8-V P/N: P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

3 Dimensions.6 (6.4).6 (66.5). (5.8).7 (9.7).8 (7.) 7/8" HEX Torque 5- ft-lbs (Torque 4-4 Nm).6 (5.) Model Code RP8A--C-N-5- Valve Model Body & Ports C = Cartridge only AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body Seals N = Buna-N NS = Buna-N with Sealed Piston V = VS = with Sealed Piston Cracking 5 = 5 psi (. bar) Pilot Ratio = : 4 = 4:.8 (4.6). (5.8).5 (6). Thick () Performance : Pilot Ratio Drop bar psi 4 Measured at 58 SUS (4 cst) = 5 F (46 C) TOil.65 (6.5) (4.).8 (.) Drop bar psi 4 4: Pilot Ratio Measured at 58 SUS (4 cst) = 5 F (46 C) TOil ø.56 (ø4.6) All measurements in inches (mm). Subject to technical modifications ø.6 (ø5.88) /4-6 UNF - A Standard Line Bodies* Code Part No Material FH8-AS6 44 FH8-SS6 569 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.58 lb (.6 kg).7 lb (.77 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 6

4 RPA- Check Valve, Pilot-to-Open, Poppet Type Up to 6 (6 ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, poppet type pilot operated check valve for use as a blocking or load holding device. Operation The RPA allows flow from port to port, while normally blocking flow from port to port. The valve remains closed by bias spring until sufficient pressure is applied at pilot port. The cartridge has : and 4: optional pilot ratios, meaning that at least one-third or one-fourth (respectively) of the load pressure held at port is required at port to open the valve. A sealed pilot piston option is available. Features Hardened poppet to ensure extended service life and low leakage Additional reseating spring for fast and reliable closing Optional sealed pilot piston Higher flow rating and low pressure drop due to pilot port at. All external surfaces zinc-plated Industry common cavity Specifications Operating 6 psi (4 bar) Nominal 6 (6 ) Internal Leakage drops/min. at 6 psi (. cc/min at 4 bar) Pilot Ratio :, 4: Standard Check Bias Spring 5 psi (. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher Cartridge Weight. Lbs. (.4 kg) Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Seal Kits Buna-N FS-N FS-V P/N: 774 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

5 Dimensions.69 (8.4).6 (66.5). (5.8).8 (5) HEX Torque 5-4 ft-lbs (Torque Nm).7 (8.) Model Code RPA--C-N-5- Valve Model Body & Ports C = Cartridge only AS8 = SAE-8 Ports, aluminum Body SS8 = SAE-8 Ports, steel Body Seals N = Buna-N NS = Buna-N with Sealed Piston V = VS = with Sealed Piston Cracking 5 = 5 psi (. bar) Pilot Ratio = : 4 = 4:.8 (7.). (5.). (5.8).5 (6.8).5 Thick () Performance : Pilot Ratio Drop bar psi Measured at 58 SUS (4 cst) = 5 F (46 C) Toil.7 (8.5) (46).8 (.) 4: Pilot Ratio Drop bar psi 4 Measured at 58 SUS (4 cst) = 5 F (46 C) Toil ø.6 (ø5.88) ø.69 (ø7.48) All measurements in inches (mm). Subject to technical modifications ø. (ø5.4) 7/8-4 UNF-A Standard Line Bodies* Code Part No Material FH-AS8 895 FH-SS8 774 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.6 lb (.7 kg).74 lb (.79 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 6

6 RP6A- Check Valve, Pilot-to-Open, Poppet Type Up to 4 (5 ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, poppet type pilot operated check valve for use as a blocking or load holding device. Operation The RP6A allows flow from port to port, while normally blocking flow from port to port. The valve remains closed by bias spring until sufficient pressure is applied at pilot port. The cartridge has : and 4: optional pilot ratios, meaning that at least one-third or one-fourth (respectively) of the load pressure held at port is required at port to open the valve. A sealed pilot piston option is available. Features Hardened poppet to ensure extended service life and low leakage Additional reseating spring for fast and reliable closing Optional sealed pilot piston Higher flow rating and low pressure drop due to pilot port at. All external surfaces zinc-plated Industry common cavity Specifications Operating 6 psi (4 bar) Nominal 4 (5 ) Internal Leakage drops/min. at 6 psi (. cc/min at 4 bar) Pilot Ratio :, 4: Standard Check Bias Spring 5 psi (. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC6- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight. Lbs. (.5 kg) Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Seal Kits Buna-N FS6-N FS8-V P/N: 7 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

7 Dimensions.94 (4) 4. ().9 (86).8 (55.4) / HEX Torque -4 ft-lbs (Torque 76-9 Nm). (5.9) Model Code RP6A--C-N-5- Valve Model Body & Ports C = Cartridge only AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body Seals N = Buna-N NS = Buna-N with Sealed Piston V = VS = with Sealed Piston Cracking 5 = 5 psi (. bar) Pilot Ratio = : 4 = 4:.4 (8.6). (5.8).54 (9) 4. (.9). Thick (5.) Performance : Pilot Ratio Drop bar psi Measured at 58 SUS (4 cst) T oil = 5 o F (46 o C).98 (5).8 () (75) ø.6 (ø7) ø. (ø8.6) 5/6- UN-B 4: Pilot Ratio Drop bar psi Measured at 58 SUS (4 cst) T oil = 5 o F (46 o C) All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material FH6-AS6 7 FH6-SS6 685 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.4 lb (.6 kg) 6.8 lb (.9 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 65

8 RV6A- Check Valve, Ball Type Up to 5 (9 ) 5 psi (5 bar) Hydraulic Symbol Description A screw-in cartridge, ball type check valve for use as a blocking or load holding device. Operation The RV6A allows flow from port to port, while normally blocking flow in the opposite direction. The valve remains closed by bias spring until sufficient pressure is applied at port at which time the ball lifts off the seat and allows flow from port to port. Features Hardened closing element to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Fast closing and seating All external surfaces zinc-plated Specifications Operating 5 psi (5 bar) Maximum Rate 5 (9 ) Internal Leakage 5 drops/min at 5 psi (5 bar) Standard Cracking s 5 psi (.5 bar) psi (. bar) Fluid Operating Temp. Range - to 48 F (-9 to C) Fluid Compatibility Mineral-Based or Synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner per (ISO 446) Installation No orientation restrictions Cavity FC6- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight. lb (45 g) Cartridge Material Steel with hardened work surfaces. Zinc plated exposed surfaces. Buna N or o-rings. Solid thermoplastic polyester back-up rings. Seal Kits Buna-N FS6-N FS6-V P/N: 684 P/N: 685 Performance Drop bar psi Measured at 5 SUS (8 cst) T Oil= F (8 C) INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

9 Dimensions.5 (8.). (5.4) /6 HEX Torque -5 ft-lbs (Torque 6- Nm).55 (4). (56.6) Model Code RV6A--AS4-N- Valve Model Body & Ports C = Cartridge only AS4 = SAE-4 Ports, aluminum Body SS4 = SAE-4 Ports, steel Body Seals N = Buna-N V = Cracking 5 = 5 psi (.5 bar) = psi (. bar).8 (7.) (5.8).5 (6.4).5 (8.). Thick (5.4). (5.8).8 (.8).6 (.5).5 (6.4) ø.47 (ø.9) 9/6-8 UNF-A ø.69 (ø7.5) All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material FH6-AS4 649 FH6-SS4 649 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.4 lbs (.5 kg). lbs (.45 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 67

10 Hydraulic Symbol Check & Load Control Valves RV8A- Check Valve, Ball Type Up to (8 ) 6 psi (4 bar) Description A screw-in cartridge, ball type check valve for use as a blocking or load holding device. Operation The RV8A allows flow from port to port, while normally blocking flow in the opposite direction. The valve remains closed by bias spring until sufficient pressure is applied at port at which time the ball lifts off the seat and allows flow from port to port. Performance bar psi 5 Measured at 58 SUS (4 cst) T oil = 5 o F (46 o C) Features Hardened closing element to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Fast closing and seating Low pressure drop All external surfaces zinc-plated Industry common cavity Specifications Operating Nominal Internal Leakage Standard Cracking s Fluid Operating Temp. Range Fluid Compatibility Viscosity 6 psi (4 bar) (8 ) > drops/min. at 6 psi (. cc/min at 4 bar) 5 psi (.5 bar) 5 psi (. bar) psi (. bar) 7 psi (5. bar) -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Mineral-based or synthetics with lubricating properties 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC8- (see Line Bodies & Cavities section) Cavity Tools Cartridge Weight Cartridge Material Seal Kits Buna-N Rougher: Finisher Lbs. (.6 kg) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. FS8-N FS8-V P/N: 9 P/N: 5756 Drop 5 5 Cracking 7 psi Cracking 5 psi INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

11 Dimensions 7/8 HEX Torque 8.5- ft-lbs (Torque 5- Nm) Model Code Valve Model Body & Ports C = Cartridge only AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body RV8A--C-N-5.8 (6.5). (5).5 (8).8 (7.).6 (5.5) Seals N = Buna-N V = Cracking 5 = 5 psi (.5 bar) 5 = 5 psi (. bar) = psi (. bar) 7 = 7 psi (5. bar). (.).6 (4.). Thick (8.7). (5) /4 HEX.7 (9.5).8 (.). (8) ø.5 (.7) All measurements in inches (mm). Subject to technical modifications /4-6 UNF -A Standard Line Bodies* Code Part No Material FH8-AS6 49 FH8-SS Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.4 lb (.5 kg). lb (.45 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 69

12 RVA- Check Valve, Ball Type Up to (8 ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, ball type check valve for use as a blocking or load holding device. Operation The RVA allows flow from port to port, while normally blocking flow in the opposite direction. The valve remains closed by bias spring until sufficient pressure is applied at port at which time the ball lifts off the seat and allows flow from port to port. Performance Drop bar psi Measured at 58 SUS (4 cst) TOil = 5 o F (46 o C) 7 psi psi 5 psi Features Hardened closing element to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Fast closing and seating Low pressure drop All external surfaces zinc-plated Industry common cavity Specifications Operating Nominal Internal Leakage 6 psi (4 bar) (8 ) < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s 5 psi (.5 bar) 5 psi (. bar) psi (. bar) 7 psi (5. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC- (see Line Bodies & Cavities section) Cavity Tools Cartridge Weight Cartridge Material Seal Kits Buna-N Rougher: Finisher: Lbs. (. kg) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Anodized aluminum knobs. (option H) Buna N or o-rings. PTFE back-up rings. FS-N FS-V P/N: 87 P/N: psi INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

13 Dimensions HEX Torque ft-lbs (Torque 8-9 Nm) Model Code Valve Model Body & Ports C = Cartridge only AS8 = SAE-8 Ports, aluminum Body SS8 = SAE-8 Ports, steel Body RVA--C-N-5 Seals N = Buna-N V =.7 (68.5).5 (8.).75 (8.8) Cracking 5 = 5 psi (.5 bar) 5 = 5 psi (. bar) = psi (. bar) 7 = 7 psi (5. bar).7 (55).8 (7.). (5).77 (45).5 Thick (). (55).47 () /4 HEX. ().8 () ø.6 (ø 5.88) 7/8-4 UNF-A Standard Line Bodies* All measurements in inches (mm). Subject to technical modifications ø (ø 5.4) Code Part No Material FH-AS FH-SS8 76 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.4 lb (.8 kg).6 lb (.5 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 7

14 RVA- Check Valve, Poppet Type Up to ( ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, poppet type check valve for use as a blocking or load holding device. Operation The RVA allows flow from port to port, while normally blocking flow in the opposite direction. The valve remains closed by bias spring until sufficient pressure is applied at port at which time the poppet lifts off the seat and allows flow from port to port. Performance bar psi 8 Measured at 58 SUS (4 cst) Toil = 5 o F (46 o C) Features Hardened closing element to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Fast closing and seating Low pressure drop Fully guided check All external surfaces zinc-plated Industry common cavity Specifications Operating Nominal Internal Leakage 6 psi (4 bar) ( ) < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s 5 psi (.5 bar) psi (.8 bar) 5 psi (.7 bar) 5 psi (.4 bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC- (see Line Bodies & Cavities section) Cavity Tools Cartridge Weight Cartridge Material Seal Kits Buna-N Rougher: Finisher: Lbs. (. kg) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. FS-N FS-V P/N: 798 P/N: 799 Drop psi 5 psi psi 5 psi INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

15 Dimensions.5 (89). (75).5 (57.) /4 HEX Torque 5 ft-lbs (Torque 7 Nm).99 (5.) Model Code RVA--C-N-5 Valve Model Body & Ports C = Cartridge only AS = SAE- Ports, aluminum Body SS = SAE- Ports, steel Body Seals N = Buna-N V = Cracking 5 = 5 psi (.5 bar) = psi (.8 bar) 5 = 5 psi (.7 bar) 5 = 5 psi (.4 bar).4 (8.6). Thick (5.8). (5).56 (65). (75) /8 HEX.5 ().8 (46).8 () ø.88 (ø.) All measurements in inches (mm). Subject to technical modifications ø.5 (ø.8) -6- UN-A Standard Line Bodies* Code Part No Material FH-AS 5845 FH-SS 577 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight. lb (.55 kg).56 lb (.6 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 7

16 RV6A- Check Valve, Poppet Type Up to 44 (65 ) 6 psi (4 bar) Hydraulic Symbol Description A screw-in cartridge, poppet type check valve for use as a blocking or load holding device. Operation The RV6A allows flow from port to port, while normally blocking flow in the opposite direction. The valve remains closed by bias spring until sufficient pressure is applied at port at which time the poppet lifts off the seat and allows flow from port to port. Performance Drop bar psi Measured at 58 SUS (4 cst) TOil = 5 F (46 C) 7 psi psi 5 psi 5 psi Features Hardened poppet to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Fast closing and seating Low pressure drop Fully guided check All external surfaces zinc-plated Industry common cavity Specifications Operating Nominal Internal Leakage 6 psi (4 bar) 44 (65 ) < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s 5 psi (.5 bar) 5 psi (. bar) psi (. bar) 7 psi (5. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC6- (see Line Bodies & Cavities section) Cavity Tools Cartridge Weight Cartridge Material Seal Kits Buna-N Rougher: Finisher: Lbs. (.5 kg) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. FS6-N FS6-V P/N: 547 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

17 Dimensions.8 (97) (75).5 (57.) / HEX Torque 6 ft-lbs (Torque Nm).99 (5.) Model Code RV6A--C-N-5 Valve Model Body & Ports C = Cartridge only AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body Seals N = Buna-N V = Cracking 5 = 5 psi (.5 bar) 5 = 5 psi (. bar) = psi (. bar) 7 = 7 psi (5. bar).4 (8.6). Thick (5.8). (5).56 (65). (75) / Hex.8 (46.5).6 (6).8 () ø. (ø8.6) 5/6- UN-A Standard Line Bodies* All measurements in inches (mm). Subject to technical modifications ø.5 (ø 8.) Code Part No Material FH6-AS6 795 FH6-SS6 655 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight. lb (.55 kg).56 lb (.6 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 75

18 Check & Load Control Valves RV6B- Check Valve, Integral Relief, Ball Type Up to 4 (5 ) 5 psi (5 bar) Hydraulic Symbol Description A screw-in cartridge, ball type check valve and direct acting, ball type relief valve combined in a single cartridge intended for use as load holding and pressure limiting device in hydraulic circuits to reduce manifold size. Operation The RV6B allows flow from port to port once the sufficient pressure is applied at port to overcome the bias spring pressure of 5 psi (.4 bar). It normally blocks flow in the opposite direction. The relief portion of the valve would remain closed until the predetermined pressure setting is reached at port to lift the spring opposed ball from its seat, allowing flow from port to port. at port is directly additive to relief pressure setting. Features Combination of two functions n one cartridge Relief setting up to 5 psi (5 bar) Relief setting adjustment screw cannot be backed out of the valve Adjustable under full pressure Fast closing and seating Hardened closing elements to ensure minimal wear and extend service life All external surfaces zinc-plated Performance Relief bar 4 psi Measured at 5 SUS (8 cst) T oil = F (8 C) Specifications Operating 5 psi (5 bar) Maximum Rate 4 (5 ) Internal Leakage 5 drops/min maximum to 75% of nominal setting. Relief Ranges to psi ( to 7 bar) to 5 psi ( to 5 bar) Reseat 8% of crack pressure Check Valve Bias Spring 5 psi (.4 bar) Cracking Fluid Operating Temp. Range - to 48 F (-9 to C) Fluid Compatibility Mineral-Based or Synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner per (ISO 446) Installation No Orientation Restrictions Cavity FC6- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight.6 lb (7 g) Cartridge Material Steel with hardened work surfaces. Zinc plated exposed surfaces. Buna N or o-rings. Solid Thermoplastic Polyester back-up rings. Seal Kits Buna-N FS6-N FS6-V P/N: 686 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

19 Dimensions.5 Max (8.9) Max.75 (44.5).95 (4.).8 (7.). (5.4) /8 HEX /8 HEX /6 HEX Torque -5 ft-lbs (Torque 6- Nm).55 (4) Model Code RV6B--AS4-N- V Valve Model Body & Ports C = Cartridge only AS4 = SAE-4 Ports, aluminum Body SS4 = SAE-4 Ports, steel Body Seals N = Buna-N V = Relief Adjustment Range = to psi ( to 7 bar) 5 = to 5 psi ( to 5 bar) Relief Adjustment Options V = Allen Head (Hex /8 ) Setting blank = Set at 5% maximum pressure for the range XXX = Desired psi Example: = psi.5 (57.).5 (6.4).5 (8.). (5.8). Thick (5.4) Performance Check Valve Drop bar psi Measured at 5 SUS (8 cst) T Oil = F (8 C) Max (9.4) Max (.).9 (7.7).7 (.) All measurements in inches (mm). Subject to technical modifications ø.44 (ø.) ø.47 (ø.9) ø.69 (ø7.5) 9/6-8 UNF-A Standard Line Bodies* Code Part No Material FH6-AS4 649 FH6-SS4 649 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.6 lbs (.6 kg). lbs (.5 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 77

20 RV6C- Check Valve, Integral Relief, Poppet Type Up to 5 (9 ) 5 psi (5 bar) Hydraulic Symbol Description A screw-in cartridge, ball type check valve and direct acting, poppet type relief valve combined in a single cartridge intended for use as load holding and pressure limiting device in hydraulic circuits to reduce manifold size. Operation The RV6C allows flow from port to port once the sufficient pressure is applied at port to overcome the bias spring pressure of 5 psi (.4 bar). It normally blocks flow in the opposite direction. The relief portion of the valve would remain closed until the predetermined pressure setting is reached at port to lift the spring opposed poppet from its seat, allowing flow from port to port. at port is directly additive to relief pressure setting. Features Combination of two functions n one cartridge Relief setting up to 5 psi (5 bar) Relief setting adjustment screw cannot be backed out of the valve Adjustable under full pressure Fast closing and seating Hardened closing elements to ensure minimal wear and extend service life All external surfaces zinc-plated Performance Relief Drop 5 5 bar psi Measured at 5 SUS (8 cst) T Oil= F (8 C) Specifications Operating 5 psi (5 bar) Maximum Rate 5 (9 ) Internal Leakage 5 drops/min maximum to 75% of nominal setting. Relief Ranges to 8 psi ( to 4 bar) to psi ( to 7 bar) 5 to 5 psi (5 to 5 bar) Reseat 8% of crack pressure Check Valve Bias Spring 5 psi (.4 bar) Cracking Fluid Operating Temp. Range - to 48 F (-9 to C) Fluid Compatibility Mineral-Based or Synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner per (ISO 446) Installation No orientation restrictions Cavity FC6- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight.6 lb (7 g) Cartridge Material Steel with hardened work surfaces. Zinc plated exposed surfaces. Buna N or o-rings. Solid thermoplastic polyester back-up rings. Seal Kits Buna-N FS6-N FS6-V P/N: 686 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

21 Dimensions.5 Max (8.9) Max.5 (57.).75 (44.5).5 (6.4).95 (4.).8 (7.). (5.4).5 (8.). (5.8) /8 HEX /8 HEX /6 HEX Torque -5 ft-lbs (Torque 6- Nm).55 (4). Thick (5.4) Model Code RV6C--AS4-N-8 V Valve Model Body & Ports C = Cartridge only AS4 = SAE-4 Ports, aluminum Body SS4 = SAE-4 Ports, steel Body Seals N = Buna-N V = Relief Adjustment Range 8 = to 8 psi ( to 4 bar) = to psi ( to 7 bar) 5 = 5 to 5 psi (5 to 5 bar) Relief Adjustment Options V = Allen Head (Hex /8 ) Setting blank = Set at 5% maximum pressure for the range XXX = Desired psi Example: = psi Performance Check Valve bar psi Measured at 5 SUS (8 cst) T oil = F (8 C).55 Max (9.4) Max.9 (7.7) (.).7 (.) All measurements in inches (mm). Subject to technical modifications ø.44 (ø.) ø.47 (ø.9) ø.69 (ø7.5) 9/6-8 UNF-A Standard Line Bodies* Code Part No Material FH6-AS4 649 FH6-SS4 649 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.6 lbs (.6 kg). lbs (.5 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 79

22 Hydraulic Symbol Check & Load Control Valves RVD8A- Check Valve, Dual Pilot-to-Open, Inline Body Up to (8 ) 6 psi (4 bar) C C Description An inline housed, dual pilot operated, hydraulic check valve for use as a blocking or load holding device. The valve consists of two check valves and a dual pilot piston in an inline body. V V Operation The RVD8A allows flow from V ports to C ports, while normally blocking flow in the opposite direction. will be allowed from C to V when pressure is applied at the opposite V port. The check is spring biased at psi to assure holding in no load conditions. A sealed pilot piston option with check spring bias of 7 psi is available. C Performance Drop bar 5 5 psi C V V V pilot open C free flow V C Measured at 58 SUS (4 cst) Toil = 5 F (46 C) Features Hardened closing element in a check valve to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Optional sealed pilot piston Check section serviceable as a cartridge All external surfaces zinc-plated Aluminum and steel inline housing Specifications Operating 6 psi (4 bar) - Steel body 5 psi (45 bar) - Aluminum body Nominal (8 ) Internal Leakage < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s psi (. bar) 7 psi (5. bar) Pilot Ratio 4.5 to Fluid Operating Temp. Range* -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cartridge Weight. Lbs. (.6 kg) Aluminum. Lbs. (.5 kg) Steel Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Pilot Piston Material Hardened steel Pilot Piston Service Part Numbers Seal Kits (for RV8A) Buna-N Seal Kits (Pilot Piston) Buna-N Standard Piston Assy: Sealed Piston Assy (Buna-N): Sealed Piston Assy ( ): Piston Only: FS8-N FS8-V PTFE wiper ring (for std piston) 66 P/N: 9 P/N: 5756 P/N: 678 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

23 Dimensions. (.5).68 (68) SAE-6 Ports Model Code RVD8A--AS6-N- Valve Model Body & Ports AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body.6 (5.9).5 (.8) Seals N = Buna-N V = NS = Buna-N with Sealed Piston (Requires 7 psi spring) VS = with Sealed Piston (Requires 7 psi spring).5 (.7) V ø.8 (7.4) V Cracking = psi (. bar) 7 = 7 psi (5. bar) Pilot Piston Assembly.5 (8.).5 (6.5) Standard Options N, V = P/N: 67 Sealed NS Option = P/N: 67 Sealed VS Option = P/N: 67 C C.4 (.5) (5.8) 4 (.6).4 (.5) SAE-6 Ports.6 (5.6).9 (86.) All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material AS6 64 SS6 65 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight. lb (.47 kg). lb (.6 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 8

24 Hydraulic Symbol Check & Load Control Valves RVDA- Check Valve, Dual Pilot-to-Open, Inline Body Up to (8 ) 6 psi (4 bar) C C Description An inline housed, dual pilot operated, hydraulic check valve for use as a blocking or load holding device. The valve consists of two check valves and a dual pilot piston in an inline body. V V Operation The RVDA allows flow from V ports to C ports, while normally blocking flow in the opposite direction. will be allowed from C to V when pressure is applied at the opposite V port. The check is spring biased at psi to assure holding in no load conditions. A sealed pilot piston option with check spring bias of 7 psi is available. C Performance Drop bar psi 4 C V V V pilot open C free flow V C Measured at 58 SUS (4 cst) Toil = 5 F (46 C) Features Hardened closing element in a check valve to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Optional sealed pilot piston Check section serviceable as a cartridge All external surfaces zinc-plated Aluminum and steel inline housing Specifications Operating 6 psi (4 bar) - Steel body 5 psi (45 bar) - Aluminum body Nominal (8 ) Internal Leakage < drops/min. at 6 psi (. cc/min at 4 bar) Standard Bias Spring s psi (. bar) 7 psi (5. bar) Pilot Ratio 4.5 to Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cartridge Weight.54 Lbs. (.7 kg) Aluminum Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Pilot Piston Material Hardened Steel Pilot Piston Service Part Numbers Seal Kits (for RVA) Buna-N Seal Kits (Pilot Piston) Buna-N Standard Piston Assy: Sealed Piston Assy (Buna-N): Sealed Piston Assy ( ): Piston Only: FS-N FS-V PTFE wiper ring (for std piston) 68 P/N: 87 P/N: 5757 P/N: 676 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

25 Dimensions.5 (.8).5 (76.) (8.) C V.5 (5.5) 4.5 (4.) ø.4 (.5) Places V C SAE-8 Ports.6 (5.9).47 (.9).56 (9.7).5 (.5).5 (.8) Model Code RVDA--AS8-N- Valve Model Body & Ports AS8 = SAE-8 Ports, aluminum Body SS8 = SAE-8 Ports, steel Body Seals N = Buna-N V = NS = Buna-N with Sealed Piston (Requires 7 psi spring) VS = with Sealed Piston (Requires 7 psi spring) Cracking = psi (. bar) 7 = 7 psi (5. bar) Pilot Piston Assembly Standard Options N, V = P/N: 666 Sealed NS Option = P/N: 664 Sealed VS Option = P/N: (9.).75 (95.) SAE-8 Ports All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material AS8 64 SS8 65 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight. lb (.47 kg). lb (.7 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 8

26 Hydraulic Symbol C (cylinder) Check & Load Control Valves RVS8A- Check Valve, Single Pilot-to-Open, Inline Body Up to (8 ) 6 psi (4 bar) Description An inline housed, pilot operated, hydraulic check valve for use as a blocking or load holding device. V (valve) P (pilot) Operation The RVS8A allows flow from port V to port C, while normally blocking flow in the opposite direction. will be allowed from C to V when pressure is applied at pilot port P. The check is spring biased at psi to assure holding in no load conditions. A sealed pilot piston option with check spring bias of 7 psi is available. Features Hardened closing element in a check valve to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Optional sealed pilot piston Check section serviceable as a cartridge All external surfaces zinc-plated Aluminum and steel inline housing P Performance Drop bar 5 5 psi C V V pilot open C free flow V C Measured at 58 SUS (4 cst) Toil = 5 F (46 C) Specifications Operating 6 psi (4 bar) - Steel body 5 psi (45 bar) - Aluminum body Nominal (8 ) Internal Leakage < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s psi (. bar) 7 psi (5. bar) Pilot Ratio 4.5 to Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cartridge Weight. Lbs. (.45 kg) Aluminum.6 Lbs. (.8 kg) Steel Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Pilot Piston Material Hardened steel Pilot Piston Service Part Numbers Seal Kits (for RV8A) Buna-N Seal Kits (Pilot Piston) Buna-N Standard Piston Assy: Sealed Piston Assy (Buna-N): Sealed Piston Assy ( ): Piston Only: FS8-N FS8-V PTFE wiper ring (for std piston) 66 P/N: 9 P/N: 5756 P/N: 678 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

27 Dimensions SAE-6 Port. (.5).5 (.8) Model Code Valve Model Body & Ports AS6 = SAE-6 Ports, aluminum Body SS6 = SAE-6 Ports, steel Body (Pilot Port = SAE-4) RVS8A--AS6-N-.5 (.5) ø.8 (7.4) Seals N = Buna-N V = NS = Buna-N with Sealed Piston (Requires 7 psi spring) VS = with Sealed Piston (Requires 7 psi spring) SAE 4 Port V Cracking = psi (. bar) 7 = 7 psi (5. bar).6 (5.9) P.97 (5). (79.) C.64 (6.).58 (4).5 (6.5).4 (.5) Pilot Piston Assembly Standard Options N, V = P/N: 669 Sealed NS Option = P/N: 667 Sealed VS Option = P/N: (5.9) SAE-6 Port.6 (5.5) All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material AS6 6 SS6 6 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.8 lb (.8 kg).4 lb (. kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 85

28 Hydraulic Symbol C (cylinder) Check & Load Control Valves RVSA- Check Valve, Single Pilot-to-Open, Inline Body Up to (8 ) 6 psi (4 bar) Description An inline housed, pilot operated, hydraulic check valve for use as a blocking or load holding device. V (valve) P (pilot) Operation The RVSA allows flow from port V to port C, while normally blocking flow in the opposite direction. will be allowed from C to V when pressure is applied at pilot port P. The check is spring biased at psi to assure holding in no load conditions. A sealed pilot piston option with check spring bias of 7 psi is available. Features Hardened closing element in a check valve to ensure extended service life and low leakage Multiple bias spring options for back pressure application flexibility Optional sealed pilot piston Check section serviceable as a cartridge All external surfaces zinc-plated Aluminum and steel inline housing P Performance Drop bar psi 4 C V V pilot open C free flow V C Measured at 58 SUS (4 cst) Toil = 5 F (46 C) Specifications Operating 6 psi (4 bar) - Steel body 5 psi (45 bar) - Aluminum body Nominal (8 ) Internal Leakage < drops/min. at 6 psi (. cc/min at 4 bar) Standard Cracking s psi (. bar) 7 psi (5. bar) Pilot Ratio 4.5 to Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cartridge Weight.7 Lbs. (.5 kg) Aluminum.88 Lbs. (. kg) Steel Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N or o-rings. PTFE back-up rings. Pilot Piston Material Hardened steel Pilot Piston Service Part Numbers Seal Kits (for RV8A) Buna-N Seal Kits (Pilot Piston) Buna-N Standard Piston Assy: Sealed Piston Assy (Buna-N): Sealed Piston Assy ( ): Piston Only: FS8-N FS8-V PTFE wiper ring (for std piston) 68 P/N: 87 P/N: 5757 P/N: 676 P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

29 Dimensions SAE 6 Port.5 (.8).5 (6.5).6 (5.9) ø.4 (.5) Places P SAE 8 Port.6 (9).5 (6.5) V.75 (9.).5 (8.).5 (.5) C.6 (5.9).47 (.9).56 (9.7) Model Code RVSA--AS8-N- Valve Model Body & Ports AS8 = SAE-8 Ports, aluminum Body SS8 = SAE-8 Ports, steel Body (Pilot Port = SAE-6) Seals N = Buna-N V = NS = Buna-N with Sealed Piston (Requires 7 psi spring) VS = with Sealed Piston (Requires 7 psi spring) Cracking = psi (. bar) 7 = 7 psi (5. bar) Pilot Piston Assembly Standard Options N, V = P/N: 675 Sealed NS Option = P/N: 67 Sealed VS Option = P/N: 674 SAE 8 Port All measurements in inches (mm). Subject to technical modifications Standard Line Bodies* Code Part No Material AS8 6 SS8 6 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.88 lb (.4 kg).6 lb (.8 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 87

30 RS8- Counterbalance Valve Up to (8 ) 5 psi (5 bar) Hydraulic Symbol Description A screw-in cartridge, -port, externally piloted counterbalance valve for precise control of overrunning loads, with load holding capabilities, thermal relief protection and free reverse flow check features. Operation The RS8 allows free flow from port (inlet) to port (load). from port to port is blocked until either the pressure setting has been reached or sufficient pilot pressure has been applied to port (pilot). The RS8 has optional : and 4: pilot ratios. It will open when pilot pressure = / (or /4) of the difference between the set pressure and the load pressure. Features Excellent stability through entire flow range Adjustable across specified pressure range Positive stop prevents spring from over adjustment (options V, H) Stroke limiting device for enhanced safety Internal seals to minimize leakage Same cavity as the RP8A- P.O. Check valve. Hardened poppet and seat to ensure extended service life and low leakage All external surfaces zinc-plated Industry common cavity Performance bar psi bar psi : Pilot Ratio : Pilot Ratio Specifications Operating 5 psi (5 bar) Nominal (8 ) Internal Leakage 5 drops/min. (.5 cc/min) max. to 8% of nominal settings Pilot Ratios :, 4: Check Valve Cracking 4 psi (. bar) Fluid Operating Temp. Range -4 to 48 F (- to + C) (Consult factory for usage at temp. outside range.) Fluid Compatibility Mineral-based or synthetics with lubricating properties Viscosity 5 to SUS (7.4 to 4 cst) Filtration /9/6 or cleaner (per ISO 446). Use with filter rated ß. Installation No orientation restrictions Cavity FC8- (see Line Bodies & Cavities section) Cavity Tools Rougher: Finisher: Cartridge Weight.58 Lbs. (.66 kg) Cartridge Material Steel with hardened work surfaces. Zinc-plated exposed surfaces. Anodized aluminum knobs. (option H) Buna N or o-rings, and PTFE back-up rings. Seal Kits Buna-N FS8-N FS8-V P/N: P/N: INNOVATIVE FLUID POWER PN#8769 / 7. / CHY-89

31 Dimensions. Max. (84.7 Max.).6 (66.5). (5.8) 5/ HEX 9/6 HEX HEX Torque 8.5- ft-lbs (Torque 5- Nm).7 (9.7).8 (7.).8 (4.6) (5.8).5 (6).6 (5.) Note: Rotating adjustment screw clockwise increases the pressure setting.. () Thick Model Code Valve Model Body & Ports C = Cartridge only AS6 = SAE-6 ports, aluminum body SS6 = SAE-6 ports, steel body Seals N = Buna-N V = Pilot Ratio = : 4 = 4: Adjustment Range 5 = 7 to 5 psi (48 to 5 bar) Adjustment Options F = Factory pre-set, non-adjustable (must specify setting below) H = Knurled Hand Knob K = Allen Head (HEX 5/ ) w/ cover cap V = Allen Head (HEX 5/ ) Setting (optional) (omit) = Set at min. pressure for the range XXX = Desired psi Example: = psi RS8--C-N--5 V Adjustment Options.7 (85.7).57 (65.).6 (4.) V - Allen Head (std) ø (ø5.4).6.6 K - Protective Cap ø.56 (4.7) ø.6 (5.88) ø.95 (4) /4-6UNF- A H - Hand Knob.7 Max. (85.7 Max.).5 (8) A F - Tamper Proof Cap Performance Drop bar psi Measured at 58 SUS (4 cst) Toil = 5 o F (46 o C) 4: pilot ratio : pilot ratio /6 HEX.69 (9.8) All measurements in inches (mm). Subject to technical modifications.44 (87.) Standard Line Bodies* Code Part No Material FH8-AS6 44 FH8-SS6 569 Aluminum, anodized Steel, Zinc plated Rating 5 psi (45 bar) 6 psi (4 bar) *Please refer to Line Bodies & Cavities section for details Weight.58 lb (.6 kg).7 lb (.77 kg) PN#8769 / 7. / CHY-89 INNOVATIVE FLUID POWER 89