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REGO PRV19434TP300 1/2″ Brass ASME Cryogenic Relief Valve 300 PSI O2 Clean

SKU: PRV19434TP300

$129.99

In stock

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QuantityUnit priceSaving
1–4$129.990%
5–9$123.495%
10+$116.9910%

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Product Specifications

  • Brand: REGO
  • MPN: PRV19434TP300
  • Series: 19430 Series
  • Type: ASME Cryogenic Gas Pressure Relief Valve
  • Body Material: Brass
  • Inlet Connection: 1/2″ NPT
  • Factory Set Pressure: 300 PSIG
  • Seat / Softgoods: PTFE
  • Orifice Area: 0.062 sq. in.
  • Spring Trim: Stainless Steel
  • Operating Temperature: -320°F to +165°F (-196°C to +74°C)
  • Overall Height: Approx. 2.8″
  • Drain Hole: No
  • Pipeaway Adapter: No
  • Service: Cryogenic gas / vapor service
  • Oxygen Service: O2 cleaned
  • Certification: ASME rated

RegO’s official ordering guide confirms that “T” means PTFE, while inserting “P” means no drain hole. The PRV19434 brass configuration uses a 1/2″ inlet and 0.062-sq.-in. orifice.

Key Features

  • Factory set to relieve at 300 PSIG
  • Heavy-duty brass construction
  • PTFE softgoods for cryogenic temperature capability
  • ASME-rated pressure relief design
  • No drain hole
  • No pipeaway adapter
  • Bubble-tight at 95% of set pressure
  • Full flow at 110% of set pressure
  • Repeatable relief performance
  • 100% factory tested
  • Cleaned and packaged for oxygen service per CGA G-4.1
  • Designed specifically for vapor service—not liquid service

Typical Applications

Suitable for compatible:

  • Cryogenic liquid cylinders
  • Mini-bulk cryogenic containers
  • Industrial oxygen systems
  • Nitrogen systems
  • Argon systems
  • Cryogenic piping
  • Industrial gas distribution equipment
  • Pressure vessel overpressure protection

RegO describes the 19430 Series as intended for oxygen and other industrial gases and for cryogenic vapor-space applications on piping systems, liquid cylinders, and mini-bulk containers where an ASME relief valve is required. 

Product details

Part / SKU PRV19434TP300

Package includes

  • REGO PRV19434TP300 1/2" Brass ASME Cryogenic Relief Valve 300 PSI O2 Clean

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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