Generant Cryogenic Relief Valve, Series Brass CRV
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Series Brass CRV Cryogenic Relief Valve

Brand: Generant Inc
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Generant Cryogenic Relief Valve, Series Brass CRV
The Generant Series Brass CRV, Cryogenic Relief Valve is a spring reference over pressure protection device. 

The CRV incorporates Generant’s exclusive “Dirt Guard” feature which increases the valves ability to tolerate particulate contamination. This device is ideally suited for use as a “Blocked Line Safety” in cryogenic systems. 

The CRV is supplied cleaned and packaged for oxygen service. The valve can be ordered with set pressures ranging from psig: 10 to 750 (kPa: 70 to 5,170, bar: 0.7 to 51.7) and come factory preset and permanently locked.
Features
  • Available CE marked in accordance to the requirements of the PED
  • Exclusive “Dirt Guard” poppet incorporates screen to extend valve life and ensure reliability
  • High flow capacity and excellent reseal performance
  • Supplied factory preset and permanently locked for tamper proof service
  • Discharge to atmosphere or a wide variety of inline piping configurations
  • Optional Deflector Cap available for diverting exhausted gas
  • 100% factory tested for leakage, crack and reseal
  • Cleaned and packaged for oxygen service

Specifications

Brand

Approvals & Certifications

  • CE

BSP Connection

  • 1/2” BSPT Female
  • 1/2” BSPT Male

Cap Material

  • Deflector Cap: Brass, ASTM B16

Enclosure, Body Material

  • Brass

Materials of Construction

  • Color-Coded Identification Label: Mylar
  • Poppet, Adjusting Spring Retainer, Pipe-Away Adapter: Brass, ASTM B16

Nominal Pressure

  • psig: 10 to 750 (kPa: 70 to 5,170, bar: 0.7 to 51.7)

NPT Connection

  • 1/2” NPT Female
  • 1/2” NPT Male
  • 1/4” NPT Female
  • 1/4” NPT Male
  • 3/8” NPT Female
  • 3/8” NPT Male

Orifice Size

  • 0.25” (6.35 mm)

Ring Material

  • Tamper Proof Ring: Brass, ASTM B16

Seat / Seal Material

  • Seal: Fluorosilicone
  • Seal: PCTFE (ASTM D1430)

Spring Material

  • 302 Stainless Steel - ASTM A313
  • 630 Stainless Steel (17-4 PH) (ASTM A564)

Temperature Range

  • -196° to 176° C (-320° to 350° F)

Tolerance

  • Set Pressure psi: ≤ 28.90, ± 5 % as Per EN ISO 4126-1
  • Set Pressure psi: ≥ 48.40, ± 3 % as Per EN ISO 4126-1
  • Set Pressure psi: 29.00 to 48.30, ± 1.45 psi as Per EN ISO 4126-1

Documentation

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