T 2570 EN Spare parts and accessories · Self-operated regulators for cryogenic media Connecting components ∙ Non-return units ∙ Service kits ∙ Conversion kits ∙ Others Application Spare parts and accessories for Series 2357 Pressure Regulators and Type 2040 Safety Temperature Monitor ∙ All parts cleaned and packed in bags to protect them from contamination (free of oil and grease) for oxygen service (provided not labeled otherwise). SAMSON offers the following spare parts (parts subject to wear) and accessories for the safe and reliable functioning of regulators: •• Connecting components Soldering nipples with ball-type bushings including coupling nuts for installation in pipelines. The nipples are soldered at the site of installation. Non-return unit (for Type 2357-3 Pressure Build-up Regulator) Welding ends including coupling nuts for installation in pipelines. The welding ends are welded at the site of installation. Filter with retaining ring (for Type 2357-1/-2) •• Non-return units Prevents the medium from flowing back into the valve. •• Service kits Parts subject to wear, e.g. plugs, diaphragms and seals •• Conversion kits Cap for port C with seal (for Type 2357-3) Springs, diaphragms or operating bellows to change the set point range of regulators Welding ends with coupling nut and seal (for Type 2040 STM) •• Others Filters, accessories to raise the downstream pressure, caps etc. Contents Type Soldering nipple with coupling nut (for Type 2357-1/-2 Pressure Build-up Regulator) Fig. 1: Spare parts and accessories (examples) SAMSON AKTIENGESELLSCHAFT · Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 · samson@

12 Non-return unit (accessories) 13 Filter 16 Plug spring 17 Soldering nipple with ball-type bushing (accessories) 4.1 Seal (bottom section of the body) 9 4.2 Seal (top section of body) Ball Spring plate Set point springs Bottom section of the body 10 Set point adjuster (hexagon socket, SW 5) 11 Lock nut (SW 17) Table 1: Spare parts and accessories • Type 2357-1/-2

Fig. 4: Type 2357-11 Pressure Reducing Valve 4.1 Seal (bottom section of body) 10 Spring plate Set point springs Bottom section of the body (spring housing) Set point adjuster (hexagon socket, SW 5) Lock nut (SW 17) Integrated non-return unit 14 Body screws 15 Seat 16 Plug spring 17 Accessories (coupling nut with ball-type bushing and welding end or flange) Table 2: Spare parts and accessories • Type 2357-11/-21

Type 2357-3 Pressure Build-up Regulator ► T 2559 Valve body Pressure build-up plug Tubular plug Operating bellows Seal (body cover) Seal (top section of body) Spring plate Set point springs Body cover Set point adjuster (hexagon socket, SW 5) Lock nut (SW 17) Non-return unit (accessories) Filter Body screws Closing spring Soldering nipple with ball-type bushing (accessories) Table 3: Spare parts and accessories • Type 2357-3 1) See nameplate, written after the type designation

1 Body 2 Soft-seated valve seat 3 Set point adjuster with cover 5 Tubular plug 6 Temperature sensor 7 Soldering nipple with ball-type bushing 8 Welding ends with seal Table 4: Spare parts and accessories • Type 2040

Specifications subject to change without notice