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Hydrogen Pressure Reducing Valves

Hydrogen Pressure Reducing Valves - P1

Cashco Inc

  • Max inlet pressure: 3600 psig (248 Barg)
  • Outlet range: up to 750 psig (51.7 Barg)
  • Temperature range: -45 to +575°F (-42.7 to +301°C)
  • Designed for gases and liquids
  • Standard construction includes a 40-micron integral filter and diffusion-resistant stainless-steel diaphragm

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Description Vendor

The P1 operates as a single-stage, high-pressure pressure-reducing regulator explicitly engineered by Cashco for hydrogen service compliant with the S-1821 hydrogen-service cleaning specification and CGA G-5.4. Designed for both gases and liquids, its standard construction incorporates a 40-micron integral filter and a diffusion-resistant stainless-steel diaphragm. The unit manages a maximum inlet pressure of 3600 psig (248 Barg) and an outlet range up to 750 psig (51.7 Barg) across a temperature range of -45 to +575°F (-42.7 to +301°C) while offering maximum Cv options of 0.02, 0.06, and 0.20. It accommodates line sizes of 1/4 in (DN8), 3/8 in (DN10), and 1/2 in (DN15) with FNPT, tube ends, and Tri-Clamp end connections for deployment in analyzer systems, gas cabinets, and high-purity gas service.

Use Cases

  • Hydrogen pressure reduction
  • Analyzer systems
  • Gas cabinets
  • High-purity gas service

Capabilities

  • Performs single-stage pressure reduction
  • Handles inlet pressure up to 3600 psig (248 Barg)
  • Provides outlet pressure up to 750 psig (51.7 Barg)
  • Offers maximum Cv options of 0.02, 0.06, and 0.20
  • Supports hydrogen service
Cashco Inc

Cashco, Inc. manufactures pressure regulators and control valves rated for hydrogen service, with its Model P1 self-contained regulator explicitly designed for gaseous or liquid high-purity oxygen, nitrogen, hydrogen, and argon applications, handling design pressures up to 3,000 psig inlet and constructed from ASTM A479 Type 316L stainless steel for hydrogen compatibility. The company's SLR-1 and SLR-2 Self-Loading Regulator valves, combining a DA4 pressure-reducing regulator with a Cashco P1 or Fairchild Model 10 pilot regulator, are specifically marketed for hydrogen gas, natural gas, and sour gas (NACE) applications, with the SLR-2 variant designed so cover dome pressure bleeds back into the main valve outlet rather than to atmosphere -- a key safety feature for hydrogen containment. Cashco's broader tank blanketing valves, back pressure regulators, and pressure vacuum relief products (expanded through its acquisition of 3B Controls) are applicable to hydrogen storage tank protection and vapor control needs.

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