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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  R31BQKDSKC35011DR

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Catalog No. 10-575-220

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Description & Specifications


Inlet 350
No. of Ports 6
Bonnet Material Nickel-plated Brass
Inboard Leakage 2 x 10-8 He
Operating Temperature Range (English) -40 to 165°F
Outboard Leakage 2 x 10-8 heat inlet pressure: 1500psi
Ports Q
Pressure Range (Inlet) 3000psi
Seat Material PCTFE
Connection Type 0.25 in. GENLOK
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 (English) 2 in.
Gauge Pressure (Metric) 5.08cm
Includes Diaphragm valve
Knob Material ABS Plastic
Material Nickel-plated Brass
Max. Outlet Pressure 250psi
Operating Temperature Range (Metric) -40 to 74°C
Pressure Range (Outlet) 30 in. Hg Vac-100psi
Relief Valve Yes
Seal Material Metal
Weight (English) 4.03 lb.
Weight (Metric) 1.82kg
No. of Stages Dual
Product Type Gas regulator