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Fisherbrand™ R31B Series High Purity Low Flow Gas Regulators

Diaphragm-Sensed Dual-Stage High Purity regulators designed for analytical applications where a consistent outlet pressure and flow are desired

Manufacturer: genstar technologies co  R31BMKDSKC58011D

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Catalog No. 10-575-221

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Description & Specifications


Inlet 540
No. of Ports 5
Bonnet Material Nickel-plated Brass
Connection Type 0.25 in. GENLOK
Gauge Pressure (English) 2 in.
Inboard Leakage 2 x 10-8 He
Includes Diaphragm valve
Max. Outlet Pressure 250psi
Operating Temperature Range (English) -40 to 165°F
Operating Temperature Range (Metric) -40 to 74°C
Outboard Leakage 2 x 10-8 heat inlet pressure: 1500psi
Ports M
Seat Material PCTFE
Weight (English) 4.03 lb.
Weight (Metric) 1.82kg
No. of Stages Dual
Diaphragm Material 316L Stainless Steel
For Use With (Application) Cylinder, research laboratories, gas chromatography, process analyzers, petrochemical industry, power plant
Front Panel Thickness 0.25 in.
Gauge Pressure (Metric) 5.08cm
Knob Material ABS Plastic
Material Nickel-plated Brass
Pressure Range (Inlet) 3000psi
Pressure Range (Outlet) 30 in. Hg Vac-100psi
Relief Valve No
Seal Material Metal
Product Type Gas regulator