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