Model GP401
Model GP 401-125-540

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GP 401

Description: General Purpose Single Stage Brass Regulator

A brass single stage regulator with a neoprene diaphragm for general purpose laboratory applications where a slight rise in delivery pressure from a full to near empty cylinder can be tolerated. The GP 401 is not recommended for high purity applications which may be sensitive to contamination due to elastomeric components.

Typical Application:  General Laboratory
Non-corrosive industrial grade gases
Pressure testing
Gas shielding

Pressure Control
  • Features:
    • 0-15, 0-50, 0-125 and 0-250 PSIG delivery pressure
    • Neoprene diaphragm for greater sensitivity
    • One-piece encapsulated seat design, to protect the seat from particulate contamination
    • Tamper-proof, self reseating internal safety valve
    • 2” dual scale brass gauges (psi/kPa)
    • Conforms to CGA E-4 standard for gas pressure regulators
    StagesGaugesGas PurityCertifications
    Singlepsi/kPa99.99%CGA E-4
    Specialty Gas Selection Tool

    Ordering Information for Model GP 401
    click to enlarge
  • Max Inlet Pressure PSIGMax Inlet Pressure MetricGas ServiceGas SupplyGasWeightPressure RegulationCv
    3000200General Purpose
    HP Cylinder
    Non-corrosive3.5 lbs. (1.59 kg)1.3 psig/100 psig0.17

    Diagram of Model GP401
    click to enlarge
  • Manual