API Flanged Safety Relief Valves Series 526 CATALOG

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1 API Flanged Safety Relief Valves Series 26 CATALOG The-Safety-Valve.com 1

2 Valve finder How to find the right product group High operating to set pressure ratio, high backpressure or low total height? Yes High Efficiency Mediumcontrolled No Clean Service application? Yes Clean Service No Critical Service / highly corrosive application? Yes Critical Service No API specified application? No Steam, gas and liquid application with low capacity in relation to valve size? Yes Yes API Modulate Action Spring loaded Safety valves No Orifice F High Performance Required Orifice letter? Orifice F Compact Performance Additional components beyond safety valves Yes Best Availability Changeover valve Bursting disc 2

3 Contents General Page General 2 Valve finder 2 General Information 4 Type 26 Materials Article numbers Overview 12 Dimensions Metric units US units Weights Metric units US units Orifice D T Pressure temperature ratings [Metric + US units] 18 Available options 46 Flange drillings 48 Outlet flange rating class Flange facings 3 LESER Original Spare Parts Kits 4 Approvals Cap H2 Closed bonnet Plain lever H3 Closed bonnet Packed lever H4 Closed bonnet Plain lever H3 Open bonnet Cap H2 Closed bonnet 3 Options Type 26 D E F G H J K L M N P Q R T

4 General General Information The API product group represents Applications Full range of spring loaded safety valves acc. to API 26 State-of-the-art design from the safety valve specialist Competitive solutions for the API market API safety valves from LESER Are designed to meet all applications which require API. Open rapidly with an overpressure of max. 10 % to the full design lift. Have a maximum blowdown of 7 % for steam/gas service and 20% for liquid service. Are developed in a close cooperation with plant engineers and service specialists. Serve for protection of processes and equipment. Are approved by all important approval organisations worldwide which ensures the worldwide applicability e.g.: European Community: CE-marking acc. to Pressure Equipment Directive (PED) 97 / 23 / EC and EN ISO USA: UV-stamp acc. to ASME Section VIII Division 1, National Board certified capacities Germany: VdTÜV approval acc. to PED, EN ISO , TÜV SV 100 and AD 2000-Merkblatt A2 Canada: Canadian Registration Number acc. to the requirements of particular provinces China: AQSIQ based on the approval acc. to ASME Section VIII Division 1 and AD 2000-Merkblatt A2 Eurasian Custom Union: Approval acc. to Eurasian Custom Union (EAC - Eurasian Conformity) Furthermore, all LESER API safety valves are designed, marked, produced and approved acc. to the requirements of the following regulations (directives, codes, rules and standards). EN ISO , EN /-2, EN 1092 Part I and II flanging ASME PTC 2, ASME-Code Sec. II, ASME B and ASME B16.- flanging, API Std. 27, API RP 76, AD 2000-Merkblatt A4, AD 2000-Merkblatt HP0 LESER API safety valves offer ultimate protection against overpressure in all applications for steam, gases and liquids. LESER s API Series safety valves present the simple safe solution for heavy duty applications, such as crude oil extraction, transportation and processing in Refineries Chemical industry Petrochemical industry Oil and gas Onshore and Offshore Vessels and piping systems Blow-down systems Storage tank farms General design features LESER s API Series covers a large variety of types, materials and options to fit any application: Design fully in accordance with API 26 for easy interchangeability Complete API 26 range: valve sizes 1" through 8", orifice D through T Materials: WCB, WCC, CF8M, WC6, LCB, LCC, and a wide range of special materials to fulfill the requirements of critical applications Special B 3 design for high back pressure applications and material requirements far beyond API Standard Fool proof design with fewer parts for built-in safety Integral cast support brackets for easy handling and safe installation Open or closed bonnet, packed or plain lifting lever or gastight cap Flanged connections according ASME and DIN guarantee a worldwide applicability One design and spring (single trim) for steam, gas and liquid applications reduces the number of spare parts and ensures low cost maintenance management. One-piece spindle reduces friction which leads to high operation accuracy Self-draining body design, avoids residues and reduces corrosion Horizontal installation 4 UV Options Special connections specified by the customer for optimised adaptation to the plant. Stellited or hardened metal sealing for longer product life Soft seat solutions for superior tightness Balanced bellows for back pressure compensation Heating jackets for applications with high viscosity fluids Any and every part can be produced in special material exactly to meet customer specification requirements

5 Flanged Safety Relief Valves spring loaded Type 26 Contents Page Materials 6 8 Article numbers Overview 10 Dimensions Metric units 12 US units 14 Weights Metric units 16 US units 17 Orifice D T Pressure temperature ratings 18 [Metric units + US units] Available options 46 Flange drillings 48 Outlet flange rating class Flange facings 3 LESER Original Spare Parts Kits 4 Approvals Type 26 Packed lever H4 Closed bonnet

6 Type Cap H2 Lock nut Adjusting screw Needle bearing Spring plate 4 Spring 12 Spindle 9 Bonnet Split ring Spring plate Stud 6 Nut Plug 64 8 Guide 60 Gasket 22 Lift restriction 7 Ball 66 Screw 61 Ball 73 Lock screw 7 Disc 6 Adjusting ring 1 Body Nozzle 6 Schnitt 26 H2 4c

7 Materials Item Component Standard Service Type 262 Trim: Standard Corrosive Service Type 264 Trim: Standard Type 267 Trim: Standard Type 263 Trim: Standard 1 Body SA 216 WCB SA 31 CF8M SA 217 WC6 SA 32 LCB stellited Nozzle 1) CF8M CF8M CF8M stellited CF8M 6 Adjusting ring CF8M CF8M CF8M CF8M 7 Disc stellited Hardened stainless steel 6L stellited Hardened stainless steel Hardened stainless steel 8 Guide Steel 6L 6L Steel with bushing tenifer tenifer Chrome steel tenifer Chrome steel tenifer ) Bonnet SA 216 WCB SA 31 CF8M SA 217 WC6 SA 32 LCB ) / ) ) ) 12 Spindle 14 Split ring 16 / 17 Spring plate 18 Adjusting screw with bushing 19 Lock nut 22 Lift restriction 40 Cap H2 4 Spring Stud 6 Nut 7 Ball 60 Gasket 61 Ball 64 Plug 66 Screw 69 Needle bearing 73 Lock screw Steel SA 479 6Ti / 6L Steel Steel L Chrome steel 6L Chrome steel Chrome steel ) ) ) Steel 6L Steel Steel tenifer Chrome steel 6L tenifer Chrome steel Chrome steel PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass Steel 6L Steel Steel L 6L 6L 6L / / / SA 10 / Gr L SA 10 / Gr SA 10 / Gr , , , High temp. alloy steel Stainless steel High temp. alloy steel High temp. alloy steel B8M B8M B8M B8M M 8M 8M 8M Graphite / Graphite / Graphite / Graphite / Graphite / 6 Graphite / 6 Graphite / 6 Graphite / Hardened stainless steel 6 Hardened stainless steel Hardened stainless steel Steel Steel Steel Steel B8M Steel Steel B8M B8M B8M B8M L 6 L 6L 6L L 6L 6L 6L 1) Stellited sealing surfaces please refer to page 102 Extended Catalog. LESER reserves also to use the nozzle material / 6L. 2) Valve sizes up to 2" 3) Valve sizes 3" 4) Valve size 6 R 10, 8 T 10 and 6 Q 8 in high pressure design (Option code Z90). ) For valve sizes 6 Q 8, 6 R 10 and 8 T 10 in high pressure design: / chrome steel. Type 26 Please notice: Special materials: - Modifications reserved by LESER. See API Alloy Concept page 80, Extended Catalog. - If several materials are specified LESER defines the material. - LESER can upgrade materials without notice. - Every part can be replaced by other material acc. to customer specification. 7

8 Type Cap H2 19 Lock nut 18 Adjusting screw 69 Needle bearing 16 Spring plate 4 Spring 12 Spindle 9 Bonnet 14 Split ring 17 Spring plate Stud 6 Nut 8 Guide 60 Gasket 11 Bonnet spacer 1 Balanced bellows 7 Ball 66 Screw 61 Ball 7 Disc 73 Lock screw 6 Adjusting ring 1 Body Nozzle 8 Schnitt 26 H2 SB 4c

9 Materials Item Component Standard Service Type 262 Trim: Standard Corrosive Service Type 264 Trim: Standard Type 267 Trim: Standard Type 263 Trim: Standard 1 Body SA 216 WCB SA 31 CF8M SA 217 WC6 SA 32 LCB stellited Nozzle 1) CF8M CF8M CF8M stellited CF8M 6 Adjusting ring CF8M CF8M CF8M CF8M 7 Disc stellited Hardened stainless steel 6L stellited Hardened stainless steel Hardened stainless steel 8 Guide L 6L 6L 6L ) Bonnet SA 216 WCB SA 31 CF8M SA 217 WC6 SA 32 LCB ) / ) ) ) Steel SA 479 6Ti / 6L Steel Steel ) ) ) 11 Bonnet spacer ) SA 10 SA 479 6L SA 479 6L SA 479 6L 12 Spindle L Split ring Chrome steel 6L Chrome steel Chrome steel 1 Bellows End pieces 16 / 17 Spring plate 18 Adjusting screw with bushing 19 Lock nut 40 Cap H2 4 Spring Stud 6 Nut 7 Ball 60 Gasket 61 Ball 66 Screw 69 Needle bearing 73 Lock screw Inconel 62 6L Inconel 62 6L Inconel 62 6L Inconel 62 6L ) ) ) Steel 6L Steel Steel tenifer Chrome steel 6L tenifer Chrome steel Chrome steel PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass PTFE 1% glass Steel 6L Steel Steel / / / SA 10 / Gr L SA 10 / Gr SA 10 / Gr , , , High temp. alloy steel Stainless steel High temp. alloy steel High temp. alloy steel B8M B8M B16 B8M M 8M 7M 8M Graphite / Graphite / Graphite / Graphite / Graphite / 6 Graphite / 6 Graphite / 6 Graphite / Hardened stainless steel 6 Hardened stainless steel Hardened stainless steel B8M B8M B8M B8M L 6L 6L 6L L 6L 6L 6L Type 26 1) Stellited sealing surfaces please refer to page 102 Extended Catalog. LESER reserves also to use the nozzle material / 6L. 2) Valve sizes up to 2" 3) Valve sizes 3" 4) Valve size 6 R 10, 8 T 10 and 6 Q 8 in high pressure design (Option code Z90). ) Valve size 1 1 / 2 D 3, 1 1 / 2 E 3, 1 1 / 2 F 3, 6 R 10 and 8 T 10 with out bonnet spacer. 6) For valve sizes 6 Q 8, 6 R 10 and 8 T 10 in high pressure design: / chrome steel. 7) LESER reserves also to use material /CF8M. Please notice: Special materials: - Modifications reserved by LESER. See API Alloy Concept page 80, Extended Catalog. - If several materials are specified LESER defines the material. - LESER can upgrade materials without notice. - Every part can be replaced by other material acc. to customer specification. 9

10 Type 26 Article numbers Overview Material WCB CF8M WC6 LCB WCB CF8M WC6 LCB WCB CF8M WC6 LCB Flange class 10 x L x 10 Valve size 1 D 2 1 D 2 1 D 2 D E F Use 1 D E 2 1 E 2 1 E Use 1 E / 2 F / 2 F / 2 F G 1 1 / 2 G / 2 G / 2 G Flange class 10 x L x 10 Valve size 1 1 / 2 H / 2 H 3 2 H 3 H J 2 J 3 2 J 3 3 J K 3 K 4 3 K 4 3 K Use 3 K Flange class 10 x L x 10 Valve size 3 L 4 3 L 4 4 L 6 L M N P Q R T 4 M 6 4 M 6 4 M Use 4 M N 6 4 N 6 4 N Use 4 N P 6 4 P 6 4 P Q 8 6 Q 8 6 Q Use 6 Q R 8 6 R 8 6 R T 10 8 T 10 8 T Use 8 T

11 Material WCB CF8M WC6 LCB WCB CF8M WC6 LCB WCB CF8M WC6 LCB WCB CF8M WC6 LCB Flange class 600 x x x x 300 Valve size 1 D / 2 D / 2 D / 2 D 3 D Use 1 1 / 2 D x Type 26 E F G 1 E / 2 E / 2 E / 2 E Use 1 1 / 2 E x / 2 F / 2 F / 2 F / 2 F Use 1 1 / 2 F x / 2 G / 2 G 3 2 G 3 2 G Flange class 600 x x x 300 Valve size 2 H 3 2 H 3 2 H 3 H J K 3 J 4 3 J 4 3 J K 4 3 K 6 3 K Flange class 600 x x x 10 Valve size 4 L 6 4 L 6 4 L 6 L M N P 4 M 6 4 M N 6 4 N P 6 4 P Q R T 6 Q R T 10 Please add code for the required cap or lifting device. Code for lifting device Lifting device H2 H3 H4 H3 Bonnet closed closed closed open WCB , WC , LCB CF8M

12 Type 26 Dimensions Metric units Safety valve dimensions [mm] a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. Support brackets [mm] A B C D E A B C D E A B C D E Flange rating class 10 x L x 10 Valve size 1 D 2 1 D 2 1 D 2 D d 0 [mm] Please see 1 D A 0 [mm 2 ] Ø Ø E 2 1 E 2 1 E 2 E d 0 [mm] Please see 1 E A 0 [mm 2 ] Ø Ø / 2 F / 2 F / 2 F 2 F d 0 [mm] A 0 [mm 2 ] Ø Ø Ø / 2 G / 2 G / 2 G 3 G d 0 [mm] A 0 [mm 2 ] Ø Ø Ø Flange rating class 10 x L x 10 Valve size 1 1 / 2 H / 2 H 3 2 H 3 H d 0 [mm] A 0 [mm 2 ] Ø Ø Ø J 3 2 J 3 3 J 4 J d 0 [mm] A 0 [mm 2 ] Ø Ø Ø K 4 3 K 4 3 K 4 WCB, LCB, d 0 [mm] Please see 3 K CF8M (WC6) A 0 [mm 2 ] Ø Ø K Hmax. with bellows WC6 Flange rating class 10 x L x 10 Valve size 3 L 4 3 L 4 4 L 6 L M N P Q R T d 0 [mm] A 0 [mm 2 ] Ø Ø Ø M 6 4 M 6 4 M 6 d 0 [mm] Please see 4 M A 0 [mm 2 ] Ø Ø N 6 4 N 6 4 N 6 d 0 [mm] Please see 4 N A 0 [mm 2 ] Ø Ø P 6 4 P 6 4 P 6 d 0 [mm] A 0 [mm 2 ] Ø Ø Ø Q 8 6 Q 8 6 Q 8 d 0 [mm] Please see 6 Q A 0 [mm 2 ] Ø Ø R 8 6 R 8 6 R 10 d 0 [mm] A 0 [mm 2 ] Ø Ø Ø T 10 8 T 10 8 T 10 d 0 [mm] Please see 8 T A 0 [mm 2 ] Ø Ø

13 d 0 = Actual orifice diameter A 0 = Actual orifice area a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. A B C D E A B C D E A B C D E A B C D E 600 x x x x D / 2 D / 2 D / 2 D Please see 1 1 / 2 D Ø x Ø Ø E / 2 E / 2 E / 2 E Please see 1 1 / 2 E Ø x Ø Ø / 2 F / 2 F / 2 F / 2 F Please see 1 1 / 2 F Ø x Ø Ø / 2 G / 2 G 3 2 G 3 2 G Ø Ø Ø Ø x x x H 3 2 H 3 2 H Ø Ø Ø J 4 3 J 4 3 J Ø Ø Ø K 4 3 K 6 3 K Ø Ø Ø Ø x x x 10 4 L 6 4 L 6 4 L Ø Ø Ø M 6 4 M Ø Ø N 6 4 N Ø Ø P 6 4 P Ø Ø Q ) ) Ø R Ø ) Type 26 high pressure design: ) Type 26 high pressure design: 1282 Support brackets Hmax. with bellows Type 26 13

14 Type 26 Dimensions US units Safety valve dimensions [inch] a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. Support brackets [inch] A B C D E A B C D E A B C D E Hmax. with bellows Flange rating class 10 x L x 10 Valve size 1 D 2 1 D 2 1 D 2 d 0 [inch] D / / / / / 16 Please see 1 D / / / / / 16 A 0 [inch 2 ] / 8 Ø 9 / 16 7 / 32 / 8 1 / 8 Ø 9 / 16 7 / 32 / 8 1 E 2 1 E 2 1 E 2 E d 0 [inch] / / / / / 16 Please see 1 E / / / / / 16 A 0 [inch 2 ] / 8 Ø 9 / 16 7 / 32 / 8 1 / 8 Ø 9 / 16 7 / 32 / / 2 F / 2 F / 2 F 2 d 0 [inch] / / / / / / / / / / / / / / 32 F G A 0 [inch 2 ] / 8 Ø 9 / / 32 / / 8 Ø 9 / / 32 / / 8 Ø / 32 / / 2 G / 2 G / 2 G 3 d 0 [inch] / / / / / / / / / / / / / / 32 A 0 [inch 2 ] / 8 Ø 9 / / 32 / / 8 Ø 9 / / 32 / / 8 Ø 9 / / 32 / 8 Flange rating class 10 x L x 10 Valve size 1 1 / 2 H / 2 H 3 2 H 3 d 0 [inch] / / / / / 32 1 / / / / / 32 1 / / / / / 4 H J K A 0 [inch 2 ] / 8 Ø 9 / / 32 / / 8 Ø 9 / / 32 / / / 32 Ø 9 / 16 6 / 32 / 8 2 J 3 2 J 3 3 J 4 d 0 [inch] / / / / / 16 3 / / / / / / / / / / 16 A 0 [inch 2 ] / / 32 Ø 9 / / 4 / / / 32 Ø 9 / / 4 / / 8 1 / 2 Ø 23 / / 32 / 32 3 K 4 3 K 4 3 K 4 WCB, LCB, d 0 [inch] / / / / / 32 Please see 3 K / / / / / 32 CF8M (WC6) A 0 [inch 2 ] / 8 1 / 2 Ø 23 / / 32 / / 8 1 / 2 Ø 23 / / 32 / 32 WC6 Flange rating class 10 x L x 10 Valve size 3 L 4 3 L 4 4 L 6 L M N P Q R T d 0 [inch] / / / / / / / / / / / / / / / 8 A 0 [inch 2 ] / 8 1 / 2 Ø 23 / / 32 / / 8 1 / 2 Ø 23 / / 32 / / 16 6 / 16 Ø 23 / / 16 / 32 4 M 6 4 M 6 4 M 6 d 0 [inch] / / / / 32 Please see 4 M / / / / 32 A 0 [inch 2 ] / 16 6 / 16 Ø 23 / / 4 / / 16 6 / 16 Ø 23 / / 4 / 32 4 N 6 4 N 6 4 N 6 d 0 [inch] / / / / / 32 Please see 4 N / / / / / 32 A 0 [inch 2 ] / 16 6 / 16 Ø 23 / / / 16 6 / 16 Ø 23 / / 32 4 P 6 4 P 6 4 P 6 d 0 [inch] / / 8 33 / / / / 8 33 / / / / / / 16 A 0 [inch 2 ] / 16 6 / 16 Ø 23 / / 16 / / 16 6 / 16 Ø 23 / / 16 / / / 32 Ø 23 / / 16 / 32 6 Q 8 6 Q 8 6 Q 8 d 0 [inch] / / / / / 4 Please see 6 Q / / / / / 4 A 0 [inch 2 ] / / 32 Ø 23 / / 8 / / / 32 Ø 23 / / 8 / 32 6 R 8 6 R 8 6 R 10 d 0 [inch] / / / / / / / / / / / / / / / 8 A 0 [inch 2 ] / / 32 Ø 23 / / 8 / / / 32 Ø 23 / / 8 / / 2 29 / 32 Ø 23 / / 8 / 32 8 T 10 8 T 10 8 T 10 d 0 [inch] / / / / 16 Please see 8 T / / / / 16 A 0 [inch 2 ] / 2 29 / 32 Ø 23 / / 16 / / 2 29 / 32 Ø 23 / / 16 / 32 14

15 d 0 = Actual orifice diameter A 0 = Actual orifice area a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. Hmax. with bellows a b s Hmax. A B C D E A B C D E A B C D E A B C D E 600 x x x x D / 2 D / 2 D / 2 D 3 Hmax. with bellows 4 1 / / / / / 16 Please see 1 1 / 2 D / 8 1 / / / / 32 1 / / / / 16 1 / 8 Ø 9 / 16 7 / 32 / x / 8 Ø 9 / 16 3 / 32 / / 8 Ø 9 / / 32 / 8 1 E / 2 E / 2 E / 2 E / / / / / 16 Please see 1 1 / 2 E / 8 1 / / / / 32 1 / / / / 16 1 / 8 Ø 9 / 16 7 / 32 / x / 8 Ø 9 / 16 3 / 32 / / 8 Ø 9 / / 32 / / 2 F / 2 F / 2 F / 2 F / / / / 32 Please see 1 1 / 2 F / / / / / 16 1 / / / / / 8 Ø 9 / / 32 / x / 8 Ø 9 / / 32 / / 8 Ø 9 / / 32 / / 2 G / 2 G 3 2 G 3 2 G 3 Type / / / / / / / / / / / / / / / / / / / / 8 Ø 9 / / 32 / / 8 Ø / 32 / / / 32 Ø 9 / / 16 / / / 32 Ø 9 / / 16 / x x x H 3 2 H 3 2 H / / / / / / / / / / / / / / / / / 32 Ø 9 / / 16 / / / 32 Ø 9 / / 16 / / / 32 Ø 9 / / 16 / 8 3 J 4 3 J 4 3 J / / / / / / / / / / / / / / / / 8 1 / 2 Ø 23 / / 32 / / 8 1 / 2 Ø 23 / / 32 / / 8 1 / 2 Ø 23 / / 32 / 32 3 K 4 3 K 6 3 K / / / / / / / / / / / / / / / / 8 1 / 2 Ø 23 / / 32 / / 16 6 / 16 Ø 23 / / 32 / / 16 6 / 16 Ø 23 / / 16 / / / / / / / 8 1 / 2 Ø 23 / / 32 / x x x 10 4 L 6 4 L 6 4 L / / / / / / / / / / / 4 2 / / / / 16 6 / 16 Ø 23 / / 16 / / 16 6 / 16 Ø 23 / / / 16 6 / 16 Ø 23 / / 32 4 M 6 4 M / / / / / / / / / 16 6 / 16 Ø 23 / / 4 / / 16 6 / 16 Ø 23 / / 32 4 N 6 4 N / / / / / / / / / / / 16 6 / 16 Ø 23 / / / 16 6 / 16 Ø 23 / / 32 4 P 6 4 P / / / / / / / / / / 32 Ø 23 / / 16 / / / 32 Ø 23 / / 16 / 32 6 Q / / / / 8 1) 47 1 / 4 2) 14 9 / / 32 Ø 23 / / 8 / 32 6 R / / / / / / 2 29 / 32 Ø 23 / / 8 / 32 Support brackets 1) Type 26 high pressure design: 47 / 16 2) Type 26 high pressure design: 0 1 / 2 1

16 Type 26 Weigths Metric units Bonnet Lifting device Flange class 10 x L x x x x x 300 Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 D E F G Weight [kg] with bellows [kg] all all 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Weight [kg] with bellows [kg] / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 Weight [kg] with bellows [kg] / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Weight [kg] with bellows [kg] Flange class 10 x L x x x x 300 Valve size 1 1 / 2 H / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3 H J K Weight [kg] with bellows [kg] J 3 2 J 3 3 J 4 3 J 4 3 J 4 3 J 4 Weight [kg] with bellows [kg] K 4 3 K 4 3 K 4 3 K 4 3 K 6 3 K 6 Other WC6 Weight [kg] with bellows [kg] Flange class 10 x L x x x x 10 Valve size 3 L 4 3 L 4 4 L 6 4 L 6 4 L 6 4 L 6 L M N P Q R T Weight [kg] with bellows [kg] M 6 4 M 6 4 M 6 4 M 6 4 M 6 Weight [kg] with bellows [kg] N 6 4 N 6 4 N 6 4 N 6 4 N 6 Weight [kg] with bellows [kg] P 6 4 P 6 4 P 6 4 P 6 4 P 6 Weight [kg] with bellows [kg] Q 8 6 Q 8 6 Q 8 6 Q 8 Weight [kg] with bellows [kg] R 8 6 R 8 6 R 10 6 R 10 Weight [kg] with bellows [kg] T 10 8 T 10 8 T 10 Weight [kg] with bellows [kg]

17 Weigths US units Bonnet Lifting device Flange class 10 x L x x x x x 300 Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 D E F G Weight [lbs] with bellows [lbs] all all 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Weight [lbs] with bellows [lbs] / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 Weight [lbs] with bellows [lbs] / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Weight [lbs] with bellows [lbs] Flange class 10 x L x x x x 300 Valve size 1 1 / 2 H / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3 H J K Weight [lbs] with bellows [lbs] J 3 2 J 3 3 J 4 3 J 4 3 J 4 3 J 4 Weight [lbs] with bellows [lbs] K 4 3 K 4 3 K 4 3 K 4 3 K 6 3 K 6 Other WC6 Weight [lbs] with bellows [lbs] Flange class 10 x L x x x x 10 Valve size 3 L 4 3 L 4 4 L 6 4 L 6 4 L 6 4 L 6 L M N P Q R T Weight [lbs] with bellows [lbs] M 6 4 M 6 4 M 6 4 M 6 4 M 6 Weight [lbs] with bellows [lbs] N 6 4 N 6 4 N 6 4 N 6 4 N 6 Weight [lbs] with bellows [lbs] P 6 4 P 6 4 P 6 4 P 6 4 P 6 Weight [lbs] with bellows [lbs] Q 8 6 Q 8 6 Q 8 6 Q 8 Weight [lbs] with bellows [lbs] R 8 6 R 8 6 R 10 6 R 10 Weight [lbs] with bellows [lbs] T 10 8 T 10 8 T 10 Weight [lbs] with bellows [lbs] Type 26 17

18 Orifice D Pressure temperature ratings D Metric units Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [mm] Actual Orifice area A 0 [mm 2 ] Minimum set pressure [bar] S/G/L Minimum set pressure [bar] S/G Balanced bellows Inconel [bar] L Body material: WCB Article numbers Maximum -29 to 38 C set pressure 232 C C. Use 1 D Use 1 1 / 2 D x Body material: CF8M Article numbers Maximum -268 to -60 C set pressure -9 to -29 C to 38 C C Use 1 D 2 Use C / 2 D x C Body material: WC Article numbers Maximum 427 C set pressure 38 C Use 1 D 2 Use 1 / 2 D x Body material: LCB Article numbers Maximum -46 to 38 C set pressure 200 C C 8.4 Use 1 D Use 1 1 / 2 D x Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 18

19 Orifice D Pressure temperature ratings US units Valve size 1 D 2 1 D 2 1 D 2 1 D / 2 D / 2 D / 2 D 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [inch] Actual Orifice area A 0 [inch 2 ] Minimum set pressure [psig] S/G/L Minimum set pressure [psig] S/G Balanced bellows Inconel [psig] L Body material: WCB Article numbers Maximum -20 to 100 F set pressure 40 F F 80 Use 1 D Use 1 1 / 2 D x Body material: CF8M Article numbers Maximum -40 to -76 F set pressure -7 to -21 F to 100 F F Use 1 D 2 Use F / 2 D x F Body material: WC Article numbers Maximum 800 F set pressure 1000 F Use 1 D 2 Use 1 / 2 D x Body material: LCB Article numbers Maximum -0 to 100 F set pressure 400 F F 12 Use 1 D Use 1 1 / 2 D x D Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 19

20 Orifice E Pressure temperature ratings E Metric units Valve size 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [mm] Actual Orifice area A 0 [mm 2 ] Minimum set pressure [bar] S/G/L Minimum set pressure [bar] S/G Balanced bellows Inconel [bar] L Body material: WCB Article numbers Maximum -29 to 38 C set pressure 232 C C. Use 1 E Use 1 1 / 2 E x Body material: CF8M Article numbers Maximum -268 to -60 C set pressure -9 to -29 C to 38 C C Use 1 E 2 Use C / 2 E x C Body material: WC Article numbers Maximum 427 C set pressure 38 C Use 1 E 2 Use 1 / 2 E x Body material: LCB Article numbers Maximum -46 to 38 C set pressure 200 C C 8.4 Use 1 E Use 1 1 / 2 E x Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 20

21 Orifice E Pressure temperature ratings US units Valve size 1 E 2 1 E 2 1 E 2 1 E / 2 E / 2 E / 2 E 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [inch] Actual Orifice area A 0 [inch 2 ] Minimum set pressure [psig] S/G/L Minimum set pressure [psig] S/G Balanced bellows Inconel [psig] L Body material: WCB Article numbers Maximum -20 to 100 F set pressure 40 F F 80 Use 1 E Use 1 1 / 2 E x Body material: CF8M Article numbers Maximum -40 to -76 F set pressure -7 to -21 F to 100 F F Use 1 E 2 Use F / 2 E x F Body material: WC Article numbers Maximum 800 F set pressure 1000 F Use 1 E 2 Use 1 / 2 E x Body material: LCB Article numbers Maximum -0 to 100 F set pressure 400 F F 12 Use 1 E Use 1 1 / 2 E x E Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 21

22 Orifice F Pressure temperature ratings F Metric units Valve size 1 1 / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [mm] Actual Orifice area A 0 [mm 2 ] Minimum set pressure [bar] S/G/L Minimum set pressure [bar] S/G Balanced bellows Inconel [bar] L Body material: WCB Article numbers Maximum -29 to 38 C set pressure 232 C C Use 1 1 / 2 F x Body material: CF8M Article numbers Maximum -268 to -60 C set pressure -9 to -29 C to 38 C C Use C / 2 F x C Body material: WC Article numbers Maximum 427 C set pressure 38 C Use 1 / 2 F x Body material: LCB Article numbers Maximum -46 to 38 C set pressure 200 C C Use 1 1 / 2 F x Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 22

23 Orifice F Pressure temperature ratings US units Valve size 1 1 / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F / 2 F 3 FFlange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [inch] Actual Orifice area A 0 [inch 2 ] Minimum set pressure [psig] S/G/L Minimum set pressure [psig] S/G Balanced bellows Inconel [psig] L Body material: WCB Article numbers Maximum -20 to 100 F set pressure 40 F F Use 1 1 / 2 F x Body material: CF8M Article numbers Maximum -40 to -76 F set pressure -7 to -21 F to 100 F F Use F / 2 F x F Body material: WC Article numbers Maximum 800 F set pressure 1000 F Use 1 / 2 F x Body material: LCB Article numbers Maximum -0 to 100 F set pressure 400 F F Use 1 1 / 2 F x F Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 23

24 Orifice G Pressure temperature ratings G Metric units Valve size 1 1 / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [mm] Actual Orifice area A 0 [mm 2 ] Minimum set pressure [bar] S/G/L 0.2 1) 0.2 1) 0.2 1) 0.2 1) 0.2 1).0.0 Minimum set pressure [bar] S/G Balanced bellows Inconel [bar] L Body material: WCB Article numbers Maximum -29 to 38 C set pressure 232 C C Body material: CF8M Article numbers Maximum -268 to -60 C set pressure -9 to -29 C to 38 C C C C Body material: WC Article numbers Maximum 427 C set pressure 38 C Body material: LCB Article numbers Maximum -46 to 38 C set pressure 200 C C Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 1) The pressure range bar is outside of the type test approval acc. to ISO and AD 2000-Merkblatt A2 (CE). 24

25 Orifice G Pressure temperature ratings US units Valve size 1 1 / 2 G / 2 G / 2 G / 2 G / 2 G 3 2 G 3 2 G 3 Flange rating class Inlet x Outlet 10 x L x x x x x 300 Actual Orifice diameter d 0 [inch] Actual Orifice area A 0 [inch 2 ] Minimum set pressure[psig] S/G/L 3.0 1) 3.0 1) 3.0 1) 3.0 1) 3.0 1) Minimum set pressure [psig] S/G Balanced bellows Inconel [psig] L Body material: WCB Article numbers Maximum -20 to 100 F set pressure 40 F F Body material: CF8M Article numbers Maximum -40 to -76 F set pressure -7 to -21 F to 100 F F F F Body material: WC Article numbers Maximum 800 F set pressure 1000 F Body material: LCB Article numbers Maximum -0 to 100 F set pressure 400 F F G Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 1) The pressure range psig is outside of the type test approval acc. to ISO and AD 2000-Merkblatt A2 (CE). 2

26 Orifice H Pressure temperature ratings H Metric units Valve size 1 1 / 2 H / 2 H 3 2 H 3 2 H 3 2 H 3 2 H 3 Flange rating class Inlet x Outlet 10 x L x x x x 300 Actual Orifice diameter d 0 [mm] Actual Orifice area A 0 [mm 2 ] Minimum set pressure[bar] S/G/L Minimum set pressure [bar] S/G Balanced bellows Inconel [bar] L Body material: WCB Article numbers Maximum -29 to 38 C set pressure 232 C C Body material: CF8M Article numbers Maximum -268 to -60 C set pressure -9 to -29 C to 38 C C C C Body material: WC Article numbers Maximum 427 C set pressure 38 C Body material: LCB Article numbers Maximum -46 to 38 C set pressure 200 C C Please add code for the required cap or lifting device. See page 11. Remark: SA 32 Gr. LCB is not listed in the API 26. Pressure-Temperature Rating acc. to ASME B16.34 Table The stated Pressure-Temperature Rating are taken from ASME B16.34 Table if the maximum pressure is not limited by API 26. Due to the extended material test certificate the LESER LCB can be applied as LCC, WCB, WCC and with the respective pressure-temperature range as well. 26

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