Model HP722
Model HP 722-125-580-B




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HP 722C

Description: High Purity Two Stage Chrome Plated Barstock Regulator

A two stage cylinder regulator available in brass (HP 722) or chrome plated brass (HP 722C) barstock for constant delivery pressure from full to near empty cylinder conditions.

Typical Application:  High Purity Brass Barstock
High purity gas applications
Research sample systems gases
Process analyzer gases
Gas chromatography
EPA protocol gases
Laser gas systems
Emission monitoring systems

Pressure Control
  • Features:
    • 1 11/16” 316L stainless steel diaphragm eliminates contamination from diffusion or outgassing
    • One piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination
    • 2” dual scale brass gauges (psi/bar)
    • 1 x 10-9 cc/sec. inboard helium leak rate maintains gas purity levels
    • Front panel mountable
    • Maximum inlet 3000 PSIG except for models with CGA 300 and 510, equipped with 400 PSIG inlet gauge
    • External relief valve standard
    StagesGaugesGas PurityCertifications
    Twopsi/barGrade 6.0 (99.9999) and higherCGA E-4
    Part NumberAvailability
    HP-722C-1Germany
    HP-722C-3.5Germany
    HP-722C-8.5Germany
    HP-722C-17Germany
    HP-722C-35Germany
    Specialty Gas Selection Tool

    Ordering Information for Model HP 722
    click to enlarge
  • Max Inlet Pressure PSIGMax Inlet Pressure MetricGas ServiceGas SupplyGasWeightPressure RegulationCv
    4350300Chromatography
    Laser
    High Purity
    HP Cylinder
    High Purity Non-corrosive4.43 lbs. (2.01 kg).05 psig/100 psig0.06

    Flow Data for Model HP722
    <em>click to enlarge</em>
  • Owner's Manual