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Fisherbrand™ R31B Series High Purity Low Flow Gas Regulators

Diaphragm-Sensed Dual-Stage Regulators designed for analytical applications where a consistent outlet pressure and flow are desired. For Noncorrosive High Purity Gases.

Manufacturer:  Fisherbrand™ R31BMKDSKC54011D

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Catalog No. 10-575-222

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  • Dual-Stage Configuration
  • Metal-to-Metal Seal
  • Outlet: Diaphragm Valve with 1/4 in. NPT (F)
  • 2 in. Pressure Gauge

Cylinders, Research Laboratories, Gas Chromatography, Process Analyzers, Petrochemical Industry, Power Plant



Nickel-plated Brass
316L Stainless Steel
0.25 in.
5.08 cm
Diaphragm valve
ABS Plastic
250 psi
-40°C to +74°C
30 in. Hg Vac-100 psi
4.03 lb.
Gas Regulator
0.25 in. GENLOK
Cylinder, research laboratories, gas chromatography, process analyzers, petrochemical industry, power plant
2 in.
2 x 10-8 He
Nickel-plated Brass
-40°F to +165°F
2 x 10-8 heat inlet pressure: 1500 psi
3000 psi
1.82 kg
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