Gear Pumps Technical Information

Transcription

1 SNP3 SEP3 Gear Pumps Technical Information

2 High Performance Gear Pumps and Motors General Products Available Configurations, Pumps TFP 50 Pump DIN Flanges & Shaft 5 models cm 3 ( ) Speeds to 8000 rpm Pressures to 0 bar (2900 psi) TFP 0 Pumps SAE "AA" & DIN Flanges & Shafts 7 models cm 3 ( ) Speeds to 5000 rpm Pressures to 2 bar (00 psi) SNP2 Pumps SAE "A" & DIN Flanges & Shafts 11 models cm 3 ( ) Speeds to 4000 rpm Pressures to 250 bar (3600 psi) SP2.5/250 Pumps SAE "A" & "B" 2-Bolt Flanges SAE "A" & "B" 11T & 13T sple shafts SAE "A" & "B".75" &.875" keyed shafts 8 models -45 cm 3 ( ) Speeds to 00 rpm Pressures to 250 bar (3600 psi) Priority Flow Divider Covers SNP3 Pumps SAE "B" & DIN Flanges & Shafts models cm 3 ( ) Speeds to 00 rpm Pressures to 250 bar (3600 psi) NOTE: The SEP3 is available the cm 3 ( ) displacements for applications not requirg the pressure capabilities of the SNP3 or CP180. CP180 Pumps SAE "B" Flanges & Shafts 11 models cm 3 ( ) Speeds to rpm Pressures to 250 bar (3600 psi) Priority Flow Divider Covers Available Configurations, Motors TFM 0 Motors DIN Flanges & Shafts 6 models cm 3 ( ) Speeds to 00 rpm Pressures to 0 bar (2900 psi) SNM2 Motors SAE "A" & DIN Flanges & Shafts models cm 3 ( ) Speeds to 4000 rpm Pressures to 250 bar (3600 psi) NOTE: SNU2 Uni-directional motor available cm 3 ( ) TAM2290 Motors SAE "B" & DIN Flanges & Shafts 9 models cm 3 ( ) Speeds to 00 rpm Pressures to 2 bar (00 psi) NOTE: TAU2290 Uni-directional motor available the same displacements Fan Drive Systems Available 5 to 36 HP configurations Fan speed modulated based temperature Options for additional puts Contact Sauer-Sundstrand for details and specifications Steerg Pumps Available 8-45 cm 3 ( ) Special and or enge mount available (ie Perks, Deutz, Kubota, etc.) Flanges and shafts for several enges Contact Sauer-Sundstrand for details and specifications CP222 Pumps SAE "C" 2 & 4-Bolt Flanges & Shafts 7 models cm 3 ( ) Speeds to 00 rpm Pressures to 250 bar (3600 psi) **NOTE: All pumps can be corporated to multiple pump configurations. Contact Sauer-Sundstrand for details and specifications. 2

3 High Performance Gear Pumps and Motors General Products Sauer-Sundstrand Gear Pump and Motor Features Worldwide sales and service capabilities from the dustry leader is part of the package for every Sauer-Sundstrand gear product customer. Proven reliability with over 45 years of experience gear product design for mobile and dustrial applications. System pressures to 4000 psi (276 bar) and speeds to 8,000 rpm allow high performance system design. Pressure balanced design for high efficiency and long life. Low cost design and manufacturg for the requirements of fixed displacement systems. Variety of flexible stallation options available: SAE, Metric, and European flanges, shafts and ports Convenient side or rear portg options Auxiliary through drive SAE mountg pads Integral relief valve, priority flow control, and priority flow divider covers High temperature viton seals optional Multiple pump configurations (refer to the Quick Reference chart below) Quick Reference - Multiple Pump Configurations CP222 CP180 Front Pump SNP3 SP2 1/2 SNP2 TFP0 TFP50 TFP50 TFP0 SNP2 SP2 1/2 SEP3/SNP3 CP180 CP222 Rear Pump Copyright , Sauer-Sundstrand GmbH & Co. All rights reserved. Contents subject to change. Information contaed here should be confirmed before placg orders. Prted Germany. 3

4 High Performance Gear Pumps and Motors General Products Contents Sauer-Sundstrand Gear Pump and Motor Features... 3 A Complete Family of Sauer-Sundstrand Gear Pumps and Motors... 5 SNP SEP Technical Features... 6 DESIGN... 6 Pump Sizg Calculations... SNP3 Technical Data SNP3 Performance Curves Dimensions for SNP3 Configurations CO 01 CI 01 SC Dimensions for SNP3 Configurations CI 02 CO 02 SC Dimensions for SNP3 Configurations CI 03 CO 03 SC Dimensions for SNP3 Configurations CI 06 CO 06 SC Dimensions for SNP3 Configurations CI 07 SC 07 / 1)CI 07E 1)SC 07E Type Designation and Order Code, SNP SEP3 Technical Data SEP3 Performance Curves Dimensions for SEP3 Configurations CI 01 SC Dimensions for SEP3 Configurations CI 07 SC Type Designation and Order Code, SEP SNP3 Tandems... Dimensions for Tandem Gear Pump Configuration PRR CO 41 (SNP 3 + SNP 3) Dimensions for Tandem Gear Pump Configuration PRR SC 47 (SNP 3 + SNP 3) Dimensions for Tandem Gear Pump Configuration PRR SC (SNP 3 + SNP 3) Dimensions for Tandem Gear Pump Configuration PRN CO 31 (SNP 3 + SNP 3) Dimensions for Tandem Gear Pump Configuration PRN SC 37 (SNP 3 + SNP 2) Dimensions for Tandem Gear Pump Configuration PRN SC (SNP 3 + SNP 2) Type Designation and Order Code, SNP3 Tandems Flow vs Speed

5 High Performance Gear Pumps and Motors General Products A Complete Family of Sauer-Sundstrand Gear Pumps and Motors CP222 Quick Reference - Displacement/Model Gear Pump Models CP180 SEP3 SNP3 SP2 1/2 SNP2 TFP0 Gear Motor Models TFP50 TAM 22/90 SNM2 TFM Displacement ( 3 /rev) SNP3 The SNP3 series pump replaces the TAP2290 Series pump. The SNP3 offers an additional model the range as well as higher volumetric and torque efficiencies due to improved machg techniques and a new pressure balance design. Peak pressure capabilities have been creased to 39 PSI. The overall length of the SNP3 is 4.5 (.177 ch) longer than existg TAP2290 units and can be used sgle or multiple pump combations. Adapter kits used for multiple pump combations are the same as those used with the TAP2290. There are no components required when changg rotation. The SNP3 range is available 22.1 cm 3 ( ) to 88.2 cm 3 ( ) displacements. SEP3 The SEP3 series pump is a cost effective alternative for applications not requirg the high pressure capabilities of the SNP3 or CP180 series. The SEP3 design utilizes a bearg block design without the floatg pressure plates as on the SNP3. Overall efficiencies are similar to SNP3. However, pressure capabilities are reduced. The SEP3 range is available 22.1 cm 3 ( ) to 44 cm 3 ( ) displacements. 5

6 High Performance Gear Pumps and Motors General Products Technical Features DESIGN Sauer Sundstrand gear pumps and motors utilize an external spur gear, positive displacement design of proven low pressure high efficiency. These high performance pumps are constructed of a three piece alumum body which has been proven over years experience hydraulic products for mobile and dustrial applications. The extruded alumum housg provides the necessary strength construction while providg a very high power to weight ratio and creased heat dissipation. Most importantly, the alumum center section permits the gear teeth to let create their own path for maximum radial gear tip seal and high volumetric efficiency. ROBUST CONSTRUCTION One piece gear/shaft construction provides both high strength and an accurate profile. Each tegral gear/shaft is constructed of bearg quality hardened steel which is mached to precise tolerance for mimum leakage. The one piece design also elimates the potential problems of stress fatigue often associated with two piece designs. Figure 2: Figure 1: EXTRUDED ALUMINUM GEAR HOUSING SUPER FINISHED SHAFT JOURNALS HIGH STRENGTH ALUMINUM FLANGE & COVER LOW PRESSURE HIGH PRESSURE ONE PIECE SHAFT & GEAR INLET DISCHARGE FLOATING PRESSURE PLATES LARGE "DU" BUSHINGS PRECISE GEAR ALIGNMENT Cast alumum bearg blocks are fitted to the gear pockets for precise alignment. Sce all parts are contaed the housg the possibility of misalignment is elimated. The load is carried uniformly without stress beg applied to either the end cap or the front cover. Teflon coated pressure lubricated bronze bushgs each bearg block ensure a long operatg life. LEAK PROTECTION Standard are Buna seals to prevent leakage and migration of fluids from the hydraulic circuit to the gear box or atmosphere. Viton Shaft seals are available. 6

7 High Performance Gear Pumps and Motors General Products Technical Features, Contued PRESSURE BALANCE Pressure balance plates on each side of the gears contribute to high volumetric efficiency and maximum seal on all SauerSundstrand pump and motor models. The TFP0 and SNP2 models are each equipped with thick pressure plates which function as part of the bearg block. The SNP3 has th pressure plates which provide high efficiency at both low and high speed for maximum efficiency throughout the speed range. See Figure 3. Accurately defed pressure zones at the rear faces of the bearg blocks receive oil under pressure which loads the bearg agast the gear side face. Contact force between bearg face and gear is low and precisely controlled across wide speed, pressure and temperature ranges. The result is typical volumetric efficiencies the range of 95% through effective sealg between gear and bearg faces without causg undue wear or overheatg between these faces. In order to prevent pressure trappg between Figure 3: the meshg gear teeth, channels the bearg blocks permit relief of the trapped fluid to the suction side of the pump. The th pressure balance plates also separate the pressure balance from the bearg load, thus permittg the pressure plates to function dependently of bearg load. This permits the balance plates to accept higher radial loadg and some loadg either direction. Runng clearances are mataed tight enough to mimize leakage across the gear faces, yet sufficient to mata the oil film between matg surfaces for mimum wear. As pressure creases, the sealg efficiency creases proportionally. Teflon impregnated D.U. bushgs on all pumps and motor models provide fite life with the design load range. Unlike antifriction beargs, D.U. bushgs do not present a B life problem. Teflon and pressure lubrication contribute to an defite operatg life as long as the system is properly mataed. See Figure 4. The large bearg size provides adequate support under all normal operatg conditions. Sce the 7

8 High Performance Gear Pumps and Motors General Products Technical Features, Contued bushg blocks and gears are contaed the same housg section, self alignment is ensured. As a result, Sauer-Sundstrand gear pumps are capable of higher pressure and efficiency than many pumps of equal displacement DRIVE CONDITIONS Most Sauer-Sundstrand gear products are avialable SAE standard sple or straight keyed drive shafts for direct or direct drive applications. A three piece couplg is the preferred method of direct drives, thereby elimatg radial and axial loadg. Rigid sples may be used providg the mountg pilot should be aligned with.002. (.05 ) on center [.004 (. ) TIR]. Both concentricity and angular alignment of shafts are important to pump life. Misalignment can duce heavy side loads on bearg and seals, causg premature failure. Overhung load drives (cha, belt, or gear) are permissible. Contact Sauer-Sundstrand for assistance. Figure 4: The DU Bearg Steel Backg Layer Teflon impregnated lead suspends Bronze particles Bronze particles DU is a trademark of the Garlock Bearg Company FILTRATION A wire gauze straer with a mesh openg of 90 micron (170 mesh) should be corporated to the pump let le from the reservoir. The size of the suction straer is determed by the limitg suction condition and must be correctly sized and cleaned on a regular basis to prevent cavitation. A full flow micron filter should be used the system return le to trap all contamants before they enter the reservoir. Sce the filter must be changed at regular tervals, the filter housg should be located an accessible area. OPERATING TEMPERATURES With Buna seals and normal operatg conditions, the system temperature should not exceed 180 F (82 C) except for short periods to 0 F (93 C). With optional Viton elastomers, the system may be operated at contuous temperatures up to 225 F (7 C) without damage to the pump. CAUTION: Operation excess of 225 F may cause external leakage or premature unit failure. FLUIDS A meral based fluid is recoended with additives to resist corrosion, oxidation and foamg. The oil should have the maximum viscosity coensurate with system pressure drop and pump suction levels. The viscosity at any runng condition must be between 45 SSU mimum and 250 SSU maximum contuous. Sce the fluid used serves as a system lubricant, as well as transmittg power, careful selection of the fluid is important for proper operation of the unit and satisfactory life of the pump and components. SUCTION For maximum pump life, the let vacuum should not exceed 4 ches ( 0 ) Hg. at the pump let. For cold start conditions, vacuum up to 12 ches (0 ) Hg. is acceptable for short durations. Both cavitation and the possibility of aeration crease with higher let vacuum. In addition, oil tilm lubrication is disrupted by high let vacuum. Both factors, either sgularly or combed, may contribute to a decrease pump life. CAUTION: Contuous operation at vacuums excess of 4 ches Hg. may cause premature unit failure. 8

9 High Performance Gear Pumps and Motors General Products Technical Features, Contued MAXIMUM SPEED Maximum speed is limited by gear tooth fillg and surface speeds centrifugal gear teeth fillg. Unless otherwise specified, maximum rated pump speeds listed this manual are based on operation at sea level with SAE oil havg a viscosity of 1 SSU at 122 (50 C). Speed limits for a particular application depend on let pressureand oil viscosity. Consult Sauer-Sundstrand for operation outside these limits. MINIMUM SPEED Mimum recoended operatg speed, at rated pressure, varies from 480 to 10 dependg upon pump size. Mimum speed is limited by volumetric efficiency. If lower than recoended startg or operatg speeds are required, contact Sauer-Sundstrand for assistance. For motors, mimum speeds listed are for contuous operation at rated pressure. Motors may be started from zero speed on drives where torque typically creases with speed. Repeated starts under high load conditions are not recoended. No load start up pressures range from 0 to 600 PSI (.7 to 41.4 BAR). INPUT TORQUE RATINGS The dividual product dimensional configurations this catalog list the maximum contuous put torques for various shaft options. When applyg pumps tandem or multiple, observe that put torque limitations must be met for each section and cumulative sections. Always sure that the rear pump on a tandem unit does not exceed its torque ratg. CAUTION: Torques In excess of those shown may cause premature put shaft or unit failure. MOUNTING The pump mount / drive should be designed to mimize axial and radial loads on the shaft. When usg direct (cha, belt, or gear) drive, contact Sauer-Sundstrand to determe permissible load limits and direction of stallation. PIPING The choice of pipg size and stallation should always be consistent with matag mimum ve locity. This will reduce system noise, pressure drops and overheatg, thereby addg to cost savgs for both the construction and operation of the system. Inlet pipg should be designed to prevent contuous pump let vacuums excess of 4. (0 ) Hg. or 12. (0 ) Hg. durg start-up when measured at the let port. RESERVOIR The reservoir should be designed to accoodate maximum volume changes durg all system operatg modes and prevent aeration of the fluid as it passes through the tank. Return and let les should be positioned below the reservoir low oil level and be located as far as possible from each other. A baffle plate located between the pump let and return le is desirable to allow the oil to deaerate before it enters the pump. Reservoirs are normally sized for at least one-half the maximum pump flow for adequate oil deaeration. COOLING Dependg on duty cycle and reservoir/le construction, an oil cooler may be required. This is sized based on typical power losses the hydraulic circuit. The oil cooler is usually placed the return le. CAVITATION Hydraulic oil used the majority of systems contas about % dissolved air by volume. This air under certa conditions of vacuum with the system is released from the oil causg air bubbles. These air bubbles collapse if subjected to pressure, and this collapse creates erosion of the adjacent metal. Because of this, it becomes obvious that the greater the air content with the oil, or the greater the vacuum the let le, the more severe will be the resultant erosion. The ma causes of over-aeration of the oil are air leaks, particularly on the let side of the pump, and flow le restrictions such as adequate pipe sizes, elbow fittgs and sudden changes flow le cross sectional area. Providg these defects are avoided; pump let pressure and rated speed requirements are mataed; and reservoir size and location is adequate, no cavitation problems should occur with Sauer-Sundstrand pumps and motors. 9

10 High Performance Gear Pumps and Motors General Products Technical Features, Contued PRESSURE RATINGS Sauer-Sundstrand pumps are designed to operate contuously at rated pressure. The maximum relief valve settg must be set above rated pressure and below peak pressure (relief valve overshoot). Lower operatg pressure will extend the life of the unit. Pump Sizg Calculations Si System Vg n η v Output flow Q e = l/m 00 Input torque M e = Vg p π η mh Nm PRESSURE PROTECTION The pump, as well as other system components, has pressure limitations. Thus a relief valve must be stalled the system, preferably as close to the pump as possible, to protect it from excessive pressure. If the relief valve is set at or near the maximum pressure ratg for the pump, the operatg characteristics of the valve should be known so that coon relief valve overshoot does not allow system pressure to exceed the pump ratg. CAUTION: Failure to stall this relief valve may result premature unit failure. PRESSURE RATINGS Sauer-Sundstrand pumps are designed to operate contuously at rated pressure. The maximum relief valve settg must be set above rated pressure and below peak pressure (relief valve overshoot). Lower operatg pressure will extend the life of the unit. LIFE EXPECTANCY All Sauer-Sundstrand gear pumps utilize pressure balanced journal beargs which have an oil film mataed between the gear / shaft and bearg surfaces at all times. If this oil film is sufficiently sustaed through proper system matenance and operatg limits are adhered to, a high life can be expected. M e n Q e p Input Power P = = kw η t English System Vg = Displacement per revolution cm 3 p HD = High pressure, bar p ND = Low pressure, bar p = p HD - p ND bar (System pressure) n = Speed rpm (m -1) η v = Volumetric efficiency, (%) η mh = Mechanic - hydraulic efficiency, (%) η t = Overall efficiency, (%) Vg n η v Output flow Q e = gal/m 231 Input torque M e = Vg p 2 π η mh lb M e n Q e p Input Power P = = HP η t NOTE: A B- type life expectancy number is generally associated with anti-friction beargs and does not exist for journal beargs. Vg = Displacement per revolution 3 p HD p ND p = High pressure, psi = Low pressure, psi = p HD - p ND psi (System pressure) n = Speed rpm (m -1) η v = Volumetric efficiency, (%) η mh = Mechanic - hydraulic efficiency, (%) η t = Overall efficiency, (%)

11 High Performance Gear Pumps SNP3 SNP3 Technical Data Table 1: SNP 3 SNP 3 Frame Size Dimension Displacement cm /Rev ) Maximum Speed rpm bar psi ) Maximum Pressure bar psi rpm ) Maximum Peak Pressure bar psi Mimum Speed at Maximum Pressure rpm ) Maximum pressure not to exceed for 2 bar (00 psi) for frame sizes usg threaded ports such as O-rg boss, BSP, or metric threads. 2) Maximum pressure not to exceed for 2 bar (30 psi) for frame sizes usg threaded ports such as O-rg boss, BSP, or metric threads. Relief Valve must be set between Maximum Peak Pressure and Maximum Pressure. Figure 5: Pressure balanced plates made anti-friction alloy. New sealg system design for high pressure and leakage prevention. Extruded alumum alloy body for high pressure with flanged or threaded type ports. Compatible with all the standards of the market. Shaft Seal with built- stiffener and dust lip, capable to with-stand ner and outer pressure. Maximum let pressure: 5 bar (70 psi) contuous, 8 bar (115 psi) peak. Various shaft options such as tapered, spled, parallel, straight key, tang, etc. Teflon based bushgs (DU type) for long life and high performance. High Quality case hardened steel gears with superior surface fishg. SAE, DIN, and European standard types of mountg flanges, meetg all the standards of the market. 11

12 High Performance Gear Pumps SNP3 SNP3 Performance Curves [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 6: Figure 7: Pump Flow SNP3/22 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi Figure 8: Figure 9: Pump Flow SNP3/26 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi

13 High Performance Gear Pumps SNP3 SNP3 Performance Curves, (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure : Figure 11: Pump Flow SNP3/33 Pump Input Horsepower SNP3/33 70 Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi Figure 12: Figure 13: Pump Flow SNP3/38 Pump Input Horsepower SNP3/38 70 Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi

14 High Performance Gear Pumps SNP3 SNP3 Performance Curves, (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 14: Figure 15: Pump Flow SNP3/44 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi Figure 16: Figure 17: Pump Flow SNP3/48 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 30 psi Horsepower psi 2175 psi 1450 psi

15 High Performance Gear Pumps SNP3 SNP3 Performance Curves, (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 18: Figure 19: Pump Flow SNP3/55 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 3600 psi Horsepower psi 2175 psi 1450 psi Figure : Figure 21: Pump Flow SNP3/63 Pump Input Horsepower SNP3/ psi Flow Gallons Per Mute psi 00 psi Horsepower psi 1450 psi

16 High Performance Gear Pumps SNP3 SNP3 Performance Curves, (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 22: Figure 23: Pump Flow SNP3/75 Pump Input Horsepower SNP3/ Flow Gallons Per Mute 40 0 psi 2600 psi Horsepower psi 2175 psi 1450 psi Figure 24: Figure 25: Pump Flow SNP3/90 Pump Input Horsepower SNP3/ Flow Gallons Per Mute psi 00 psi Horsepower psi 1450 psi

17 High Performance Gear Pumps SNP3 Dimensions for SNP3 Configurations CO 01 CI 01 SC 01 Figure 26: Maximum Torque, put shaft CI 01 = 2 Nm ( 35 lb) SC 01 = 270 Nm ( 2390 lb) CO 01 = 0 Nm ( 2655 lb) PARALLEL SHAFT Sple B22 x 19 DIN 5482 (Profile offset:-0.0) SPLINED SHAFT TAPERED SHAFT 4 (128.1) Table 2: Dimensions Dimensions SNP 3 Frame Size A B European Inlet Port European Outlet Port C (0.79 ) 27 (1.06 ) 36 (1.42 ) D 40 (1.57 ) 51 (2.01 ) 62 (2.44 ) E M8 M M c (0.79 ) 27 (1.06 ) d 40 (1.57 ) 51 (2.01 ) e M8 M 17

18 High Performance Gear Pumps SNP3 Dimensions for SNP3 Configurations CI 02 CO 02 SC 02 Figure 27: Maximum Torque, put shaft CI 02 = 2 Nm ( 35 lb) SC 02 = 270 Nm ( 2390 lb) CO 02 = 0 Nm ( 2655 lb) 11.5 Table 3: Dimensions SNP 3 Frame Size A B European C 27 (1.06 ) 36 (1.42 ) Inlet D 51 (2.01 ) 62 (2.44 ) Port E M M Dimensions 18 European Outlet Port c 27 (1.06 ) d 51 (2.01 ) e M

19 High Performance Gear Pumps SNP3 Dimensions for SNP3 Configurations CI 03 CO 03 SC 03 Figure 28: Maximum Torque, put shaft CI 03 = 2 Nm ( 35 lb) SC 03 = 270 Nm ( 2390 lb) SC 03 = 450 Nm ( 3982 lb) max 13.5 Table 4: Dimensions Dimensions SNP 3 Frame Size A B European Inlet Port European Outlet Port C 27 (1.06 ) 36 (1.42 ) D 51 (2.01 ) 62 (2.44 ) E M M c 27 (1.06 ) d 51 (2.01 ) e M 19

20 High Performance Gear Pumps SNP3 Dimensions for SNP3 Configurations CI 06 CO 06 SC 06. Figure 29: Maximum Torque, put shaft CI 06 = 2 Nm ( 35 lb) SC 06 = 270 Nm ( 2390 lb) SC 06 = 380 Nm ( 3363 lb) 2 (58.5) max max Table 5: Dimensions SNP 3 Frame Size Dimensions A B Bosch Inlet Port Bosch Outlet Port C 27 (1.06 ) D 55 (2.17 ) E M8 c 18 (0.71 ) d 55 (2.17 ) e M

21 High Performance Gear Pumps SNP3 Dimensions for SNP3 Configurations CI 07 SC 07 / 1) CI 07E 1) SC 07E Figure : Maximum Torque, put shaft CI 07 = 2 Nm ( 35 lb) SC 07 = 270 Nm ( 2390 lb) 1) CI07E and SC07E models have SAE O-rg ports. Table 6: Dimensions SNP 3 Frame Size Dimensions Opt. O-rg Ports A B SAE Split Flange Inlet Port (standard) SAE Split Flange Outlet Port (standard) C (1.00 ) (1.25 ) 38. (1.50 ) D (1.03 ).18 (1.19 ) (1.41 ) E (2.06 ) (2.31 ) (2.75 ) F 3/8-16UNC 7/16-14UN C 1/2-13UNC c 19. (0.75 ) (1.00 ) (1.25 ) d (0.88 ) (1.03 ).18 (1.19 ) e (1.88 ) (2.06 ) (2.31 ) f 3/8-16UNC 3/8-16UNC 7/16-14UN C Inlet C 1-5/16-12 UN 2B 1-5/8-12 UN 2B 1-7/8-12 UN 2B Outlet c 1-1/16-12 UN 2B 1-5/16-12 UN 2B 1-5/8-12 UN 2B 21

22 High Performance Gear Pumps SNP3 Type Designation and Order Code, SNP3 A B C D E F S N P 3 / 2 2 D S C 0 7 A: SERIES SNP 3 B: DISPLACEMENT 22 = 22.1 cm 3 ( ) 26 = 26.2 cm 3 ( ) 33 = 33.1 cm 3 ( ) 38 = 37.9 cm 3 ( ) 44 = 2.69 cm 3 ( ) 48 (1) = 48.3 cm 3 ( ) 55 (1) = 55.1 cm 3 ( ) 63 (1) = 63.4 cm 3 ( ) 75 (1) = 74.4 cm 3 ( ) 90 (1) = 88.2 cm 3 ( ) Note: (1) only available SNP3 E: Rotation D = Right (Clockwise) S = Left (Counterclockwise) Order Example: SNP3 / 22 D SC 07E Sgle gear pump SNP 3, displacement = (22.1 cm 3 ), clockwise rotation, spled shaft, SAE "B" 2 bolt mountg flange, SAE O-rg ports. F: Special Options E = SAE O-Rg Boss (SNP3 only) F = BSP Threaded Ports, B.S.P. A = SAE code 61 ports on other than 07 code pumps (such as 11 code rear section for tandem E: Mountg Flange 01 } 02 4 bolt DIN mountg flange = SAE "B" 2 bolt flange 11 = Flange code for Rear Section of Tandem D: Drive Shaft CI = Straight Keyed Shaft With Key CO = Tapered shaft with key SC = Spled Shaft NOTE: Refer to Configuration Dimensional detail on pages

23 High Performance Gear Pumps SEP3 SEP3 Technical Data Table 7: SEP 3 (Design with One Piece Bearg & Pressure Plate, "01 & 07" Configuration Only) SEP 3 Frame Size Dimension Displacement cm /Rev Maximum Speed rpm bar psi Maximum Pressure bar psi rpm Maximum Peak Pressure bar psi Mimum Speed at Maximum Pressure rpm Figure 31: Extruded alumum alloy body for high pressure with flanged or threaded type ports. Compatible with all the standards of the market. Shaft Seal with built- stiffener and dust lip, capable to with-stand ner and outer pressure. Maximum let pressure: 5 bar (70 psi) contuous, 8 bar (115 psi) peak. New sealg system design for high pressure and leakage prevention. SAE, DIN, and European standard types of mountg flanges, meetg all the standards of the market. Teflon based bushgs (DU type) for long life and high performance. SAE and DIN standard flanges available. High Quality case hardened steel gears with superior surface fish. 23

24 High Performance Gear Pumps SEP3 SEP3 Performance Curves [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 32: Figure 33: Pump Flow SEP3/22 Pump Input Horsepower SEP3/22 18 Flow Gallons Per Mute psi 00 psi Horsepower psi 2175 psi 1450 psi Figure 34: Figure 35: Pump Flow SEP3/26 Pump Input Horsepower SEP3/26 35 Flow Gallons Per Mute psi 00 psi Horsepower psi 2175 psi 1450 psi

25 High Performance Gear Pumps SEP3 SEP3 Performance Curves (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 36: Figure 37: Pump Flow SEP3/33 Pump Input Horsepower SEP3/33 40 Flow Gallons Per Mute psi 00 psi Horsepower psi 2175 psi 1450 psi Figure 38: Figure 39: Pump Flow SEP3/38 Pump Input Horsepower SEP3/ psi Flow Gallons Per Mute psi 00 psi Horsepower psi 1450 psi

26 High Performance Gear Pumps SEP3 SEP3 Performance Curves (Contued) [ν = 25 2 /s (1 SUS), ϑ = 50 C (122 F)] Figure 40: Figure 41: Pump Flow SEP3/44 Pump Input Horsepower SEP3/44 50 Flow Gallons Per Mute psi 00 psi Horsepower psi 2175 psi 1450 psi

27 High Performance Gear Pumps SEP3 Dimensions for SEP3 Configurations CI 01 SC 01 Figure 42: Maximum Torque, put shaft CI 01 = 2 Nm ( 35 lb) SC 01 = 270 Nm ( 2390 lb) Table 8: SEP 3 Frame Size A (2.48 ) (2.54 ) (2.64 ) (2.71 ) (2.80 ) B (5.22 ) (5.33 ) (5.53 ) (5.67 ) (5.85 ) Dimensions European Inlet Port European Outlet Port C (0.79 ) 27 (1.06 ) D 40 (1.57 ) 51 (2.01 ) E M8 M c (0.79 ) 27 (1.06 ) d 40 (1.57 ) 51 (2.01 ) e M8 M 27

28 High Performance Gear Pumps SEP3 Dimensions for SEP3 Configurations CI 07 SC 07 Figure 43: Maximum Torque, put shaft CI 07 = 2 Nm ( 35 lb) SC 07 = 270 Nm ( 2390 lb) Table 9: SEP 3 Frame Size A (2.48 ) (2.54 ) (2.64 ) (2.71 ) (2.80 ) B (5.22 ) (5.33 ) (5.53 ) (5.67 ) (5.85 ) Dimensions SAE O-rg Inlet Port SAE O-rg Outlet Port C c 1-5/16"-12 UN 2B 1-5/8"-12 UN 2B 1-1/16"-12 UN 2B 1-5/16"-12 UN 2B 28

29 High Performance Gear Pumps SEP3 Type Designation and Order Code, SEP3 A B C D E F S E P 3 / 2 2 D S C 0 7 A: SERIES SEP 3 B: DISPLACEMENT F: Special Options E * = SAE O-Rg Boss (SNP3 only) F = Ports, B.S.P. Threads * SEP3 with CI 07 SC 07 have SAE O-rg ports standard. 22 = 22.1 cm 3 ( ) 26 = 26.2 cm 3 ( ) 33 = 33.1 cm 3 ( ) 38 = 37.9 cm 3 ( ) 44 = 2.69 cm 3 ( ) E: Mountg Flange 01 = 4 bolt DIN mountg flange 07 = SAE "B" 2 bolt flange with O-rg ports E: Rotation D = Right (Clockwise) S = Left (Counterclockwise) Order Example: SEP3 / 22 D SC 07 Sgle gear pump SEP 3, displacement = (22.1 cm 3 ), clockwise rotation, O-rg ports, SAE SAE "B" 2 bolt mountg flange, Spled shaft. D: Drive Shaft CI = Straight Keyed Shaft With Key CO = Tapered shaft with key SC = Spled Shaft NOTE: Refer to Configuration Dimensional detail on pages

30 High Performance Tandem Gear Pumps SEP3 SNP3 SNP3 Tandems Table : Tandem Type SNP3 + SNP3 Group 3 + Group 3 SNP3 + SNP2 Group 3 + Group 2 Tandem Codg Second Section Maximum Input Torque, *Front Section Maximum Input Torque, **Second Section PRR...CO41 S NP3 / Nm / (2655 lb ) *2 Nm / (35 lb ) PRR...SC47 S NP3 /... 11A 270 Nm / (2390 lb ) *2 Nm / (35 lb ) PRR...SC S NP3 / Nm / (2390 lb ) *2 Nm / (35 lb ) PRN...CO41 S NP2 / Nm / (2655 lb ) **90 Nm / (797 lb ) PRN...SC37 S NP2 / Nm / (2390 lb ) **90 Nm / (797 lb ) PRN...SC S NP2 / Nm / (2390 lb ) **90 Nm / (797 lb ) * Torque limits must not exceed these levels, pressure and speed parameters listed on page 11 must not be exceeded regardless of put torque limits. ** Torque limits for SNP2 pumps must not exceed these levels when used as a second section of the tandem. Please refer to pressure and speed parameters listed BLN-071. Parameters such as pressure and speed listed BLN-071 must not be exceeded regardless of put torque limits. Group 3 + Group 1 tandems (SNP3 + TFP0) are available. Please contact Sauer-Sundstrand for availability.

31 High Performance Tandem Gear Pumps SEP3 SNP3 Dimensions for Tandem Gear Pump Configuration PRR CO 41 (SNP 3 + SNP 3) Figure 44: x1.5-6g- NOTE: This Tandem Requires Bolt Adapter Kit #B K Table 11: Dimensions Dimensions SNP 3 Frame Size A A1 B B1 European Inlet Port European Outlet Port C (0.78 ) 27 (1.06 ) D 40 (1.57 ) 51 (2.01 ) E M8 M c (0.78 ) 27 (1.06 ) d 40 (1.57 ) 51 (2.01 ) e M8 M 31

32 High Performance Tandem Gear Pumps SEP3 SNP3 C/c F/f Dimensions for Tandem Gear Pump Configuration PRR SC 47 (SNP 3 + SNP 3) Figure 45: F/f NOTE: This Tandem Requires Bolt Adapter Kit #B K Table 12: Dimensions 32 Dimensions SNP 3 Frame Size A A1 B B1 SAE Code 61 Flange Inlet Port SAE Code 61 Flange Outlet Port C (1.00 ) (1.25 ) 38. (1.50 ) D (1.03 ).18 (1.19 ) (1.41 ) E (2.06 ) (2.31 ) (2.75 ) F 3/8-16 UNC 7/16-14 UNC 1/2-13 UNC c 19. (0.75 ) (1.00 ) (1.25 ) d (0.88 ) (1.03 ).18 (1.19 ) e (1.88 ) (2.06 ) (2.31 ) f 3/8-16 UNC 3/8-16 UNC 7/16-14 UNC

33 High Performance Tandem Gear Pumps SEP3 SNP3 1.5 max Dimensions for Tandem Gear Pump Configuration PRR SC (SNP 3 + SNP 3) Figure 46: max (depth = ) (depth = ) NOTE: This Tandem Requires Bolt Adapter Kit #B K Table 13: Dimensions Dimensions SNP 3 Frame Size A A1 B B1 SAE Code 61 Flange Inlet Port SAE Code 61 Flange Outlet Port C (1.00 ) (1.25 ) 38. (1.50 ) D (1.03 ).18 (1.19 ) (1.41 ) E (2.06 ) (2.31 ) (2.75 ) F 3/8-16 UNC 7/16-14 UNC 1/2-13 UNC c 19. (0.75 ) (1.00 ) (1.25 ) d (0.88 ) (1.03 ).18 (1.19 ) e (1.88 ) (2.06 ) (2.31 ) f 3/8-16 UNC 3/8-16 UNC 7/16-14 UNC 33

34 High Performance Tandem Gear Pumps SEP3 SNP3 Dimensions for Tandem Gear Pump Configuration PRN CO 31 (SNP 3 + SNP 3) Figure 47: B1 max ( B+B1 ) 46.5 B SNP2 SNP ø max NOTE: This Tandem Requires Bolt Adapter Kit #B K max 151 max C1/c1 E1/e1 D1/d A C/c (B+A1) +1-1 D/d E/e < 40 :+/-0. > 40 :+/-0.25 A M 14 x1,5-6g- 22 ø X Table 14: Dimensions 34 Dimensions Dimensions SNP 3 Frame Size A B European Inlet Port European Outlet Port C (0.78 ) 27 (1.06 ) D 40 (1.57 ) 51 (2.01 ) E M8 M c (0.78 ) 27 (1.06 ) d 40 (1.57 ) 51 (2.01 ) e M8 M SNP 2 Frame Size A1 B1 European Inlet Port European Outlet Port C (0.53 ) (0.79 ) 23.5 (0.93 ) D 1 (1.18 ) 40 (1.57 ) 40 (1.57 ) E1 M6 M8 c (0.53 ) (0.79 ) d 1 (1.18 ) 40 (1.57 ) e1 M6 M8 1 : 8

35 High Performance Tandem Gear Pumps SEP3 SNP3 O-Rg boss Dimensions for Tandem Gear Pump Configuration PRN SC 37 (SNP 3 + SNP 2) Figure 48: F/f (depth= ) NOTE: This Tandem Requires Bolt Adapter Kit #B K Table 15: Dimensions Dimensions Dimensions SNP 3 Frame Size A B SAE Code 61 Flange Inlet Port SAE Code 61 Flange Outlet Port C (1.00 ) (1.25 ) 38. (1.50 ) D (1.03 ).18 (1.19 ) (1.41 ) E (2.06 ) (2.31 ) (2.75 ) F 3/8-16 UNC 7/16-14 UNC 1/2-13 UNC c 19. (0.75 ) (1.00 ) (1.25 ) d (0.88 ) (1.03 ).18 (1.19 ) e (1.88 ) (2.06 ) (2.31 ) f 3/8-16 UNC 3/8-16 UNC 7/16-14 UNC SNP 2 Frame Size A1 B O-rg Inlet G SAE 1-1/16"-12 UN O-rg Outlet g SAE 7/8"- 14 UN 35

36 High Performance Tandem Gear Pumps SEP3 SNP3 Dimensions for Tandem Gear Pump Configuration PRN SC (SNP 3 + SNP 2) Figure 49: NOTE: This Tandem Requires Bolt Adapter Kit #B K Table 16: Dimensions SNP 3 Frame Size A B C (1.00 ) (1.25 ) 38. (1.50 ) SAE Code 61 D (1.03 ).18 (1.19 ) (1.41 ) Flange Inlet E (2.06 ) (2.31 ) (2.75 ) Port F 3/8-16 UNC 7/16-14 UNC 1/2-13 UNC c 19. (0.75 ) (1.00 ) (1.25 ) SAE Code 61 d (0.88 ) (1.03 ).18 (1.19 ) Flange Outlet e (1.88 ) (2.06 ) (2.31 ) Port f 3/8-16 UNC 3/8-16 UNC 7/16-14 UNC SNP 2 Frame Size A B O-rg Inlet G SAE 1-1/16"-12 UN O-rg Outlet g SAE 7/8"- 14 UN 36 Dimensions Dimensions

37 High Performance Tandem Gear Pumps SEP3 SNP3 Type Designation and Order Code, SNP3 Tandems PRR (SNP3 + SNP3) or PRN (SNP3 + SNP2) A B C D E F G P R N S S S 37 H A: Tandem Pump Designation C: First Section B: Front/Rear Section Series Code RN =SNP3/47 Front + SNP2/SC 06 Rear RR =SNP3/47 Front + SNP3/SC 07 Rear or SNP3/47 Front + SNP3/SC 11A Rear C: Front Section (SNP3) 22 = 22.1 cm 3 ( ) 26 = 26.2 cm 3 ( ) 33 = 33.1 cm 3 ( ) 38 = 37.9 cm 3 ( ) 44 = 2.69 cm 3 ( ) 48 1) = 48.3 cm 3 ( ) 55 1) = 55.1 cm 3 ( ) 63 1) = 63.4 cm 3 ( ) 75 1) = 74.4 cm 3 ( ) 90 1) = 88.2 cm 3 ( ) D: Rear Section (SNP2) 4 = 3.9 cm 3 ( ) 5 2) = 5.0 cm 3 ( ) 6 = 6.0 cm 3 ( ) 8 = 8.4 cm 3 ( ) 11 =.8 cm 3 ( ) 12 2) = 12.3 cm 3 ( ) 14 = 14.4 cm 3 ( ) 17 = 16.8 cm 3 ( ) 19 = 19.2 cm 3 ( ) 22 = 22.8 cm 3 ( ) 25 = 25.2 cm 3 ( ) 1) Not available with SEP3 (SNP3 only for front section) 2) Contact Sauer-Sundstrand for availability E: Rotation D = Right (Clockwise) S = Left (Counterclockwise) Order Example: PRN S SC Tandem gear pump PRN, Front section displacement = : 22.1 cm 3 ( ), rear section displacement = : 8.4 cm 3 ( ), counterclockwise rotation, spled shaft, SAE "B" 2 bolt mountg flange. D: Second Section H: Special Options E* = SAE O-Rg Boss (SNP3 only) A = SAE code 61 ports on other than 07 code pumps (such as 11 code rear section). * SEP3 07 configurations have SAE O-rg ports standard. G: Mountg Flange } bolt DIN mountg flange = SAE "B" 2 bolt front flange(uses SAE Rear Section SNP2 47 = SAE "B" 2 bolt front flange,uses DIN Rear Section SNP2 (not North American Standard. 11 = Flange code for Rear Section of Tandem F: Drive Shaft CI = Straight Keyed Shaft With Key CO = Tapered shaft with key SC = Spled Shaft NOTE: Refer to Configuration Dimensional detail on pages

38 High Performance Tandem Gear Pumps SEP3 SNP3 Flow vs Speed Table 17: Frame Size 22 Speed Units Theoretical Flow vs Speed, for Reference Only l/m GPM l/m GPM Flow * l/m GPM l/m GPM l/m GPM * * * * * = Available only for SNP3 38

39 High Performance Gear Pumps Notes Notes 39

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