R21B Series Brass Regulator
R21B Series Brass Regulator
HIGH PURITY LOW FLOW REGULATOR
Gentec® R21B Series Brass Regulator is a diaphragm-sensed single-stage high purity regulator designed for use with analytical applications using non-corrosive gases.
Product Features
- Single-Stage Configuration
- Metal-to-Metal Seal
- Inlet & Outlet Port Size: 1/4†NPT(F)
- 2†Pressure Gauge
Materials
- Body: Nickel-Plated Brass Barstock
- Bonnet: Nickel-Plated Brass Barstock
- Seat: PCTFE
- Diaphragm: 316L Stainless Steel
- Adjusting Knob: ABS Plastic
Applications
- Semiconductor Industry
- Research Laboratories
- Process Analyzer
- Gas Chromatography
- Petrochemical Industry
- Power Plants
Specifications
- Maximum inlet pressure: 4500 psi (310 bar)
- Maximum outlet pressure: 500 psi (35 bar)
- Safety test pressure: 1.5 x Maximum inlet pressure
- Temperature range: -40 to 165ËšF (-40 to 74ËšC)
- Inboard leakage: 2 x 10-8 atm.cc/sec He
- Outboard leakage: 2 x 10-8 atm.cc/sec He
- Maximum Cv: 0.14
- Weight: 2.2 lb (0.82 kg)
