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REGO RG300A 1/4″ FNPT Brass Cryogenic Pressure Builder Regulator 300 PSI

SKU: RG300A

$300.00

In stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$300.000%
5–9$285.005%
10+$270.0010%

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Item Specifics

Specification Details
Brand REGO
Model / MPN RG300A
Product Type Cryogenic Pressure Builder / Regulator
Body Material Brass
Bonnet Material Brass
Seat Material PTFE
Connection Size 1/4″
Connection Type Female NPT (FNPT) Inlet & Outlet
Factory Pressure Setting 300 PSIG
Operating / Spring Range 125–350 PSIG
Maximum Inlet Pressure 550 PSIG
Diaphragm Bronze
Springs Stainless Steel
Diaphragm Gasket PTFE
Backcap Gasket Copper
Minimum Temperature Down to -320°F (-196°C)
Oxygen Service Cleaned for oxygen service per CGA G-4.1
Factory Tested Yes, 100% factory tested

REGO’s current RG Series literature confirms the RG300A’s 1/4″ FNPT connections, 125–350 PSIG operating range, cryogenic construction, and oxygen-service cleaning.

Key Features

  • Heavy-duty brass construction designed for cryogenic service.
  • PTFE seat provides positive shutoff at temperatures down to -320°F (-196°C).
  • Factory configured for approximately 300 PSIG pressure building.
  • Adjustable 125–350 PSIG operating range.
  • Compact design suited to installations with limited space.
  • Built-in inlet filter helps keep foreign material from entering the regulator.
  • Locknut helps maintain the selected adjusting-screw setting.
  • Designed primarily to maintain pressure of cryogenic liquid within storage containers.
  • Can also be used in suitable cryogenic lines, vaporizer and converter applications.

Approximate Product Dimensions

Manufacturer literature lists the RG300A at approximately 2-1/16″ wide × 3″ × 1″ for the referenced dimensions.

Description

The REGO RG300A Cryogenic Pressure Builder is a compact brass pressure regulator designed primarily for maintaining pressure within cryogenic liquid containers. This model features 1/4″ FNPT inlet and outlet connections, a PTFE seat, and a 125–350 PSIG operating range, with the RG300A configured for a 300 PSIG pressure setting.

Its brass, PTFE, stainless-steel, copper, and bronze construction is specifically suited for cryogenic temperatures. The regulator incorporates an inlet filter to reduce contamination from foreign material and a locknut to help maintain the adjustment setting. Manufacturer literature specifies a maximum inlet pressure of 550 PSIG and oxygen-service cleaning per CGA G-4.1

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