GFH45/GFH75/GFH76 Airpak® Filter-Regulator0 pages

CONOFLOW
AIRPAK®
FILTER
REGULATORS
GFH45/75/76 SERIES
Conoflow’s GFH Series Airpak® Filter-Regulators
are widely used to provide clean, regulated air pressure to instruments and controls, automatic machinery and other pneumatic devices.
These ruggedly built units are available in either brass
or stainless steel construction affording versatility
in meeting today’s instrument and industrial applications. The brass model has a maximum pressure
rating of 300 PSI (2068 kPa) (GFH45). The stainless
steel versions are rated at 300 PSI (2068 kPa) and
are available in two configurations. The GFH75 provided for corrosive environments has a 316 stainless steel exterior with brass/302-303 stainless steel
internals.
The GFH76 is manufactured to meet the requirements of NACE Specifications MR-01-75 (1980 Revision) Sulphide Stress Cracking Resistant Metallic
Material for Oil Field Equipment making this unit
ideally suited for applications where sour medium is present.

GFH45

GFH75/76

OPTIONS

Buna “N” elastomers are standard for the GFH45/75 Series. The GFH76 has viton
elastomers. All units incorporate a 35 micron polypropylene filter. Cellulose (10
micron) and stainless steel (40 micron) filters are available. Consult the factory for
details. Three regulated pressure ranges of 0-25, 0-60 and 0-125 (0-172, 0-414
and 0-862 kPa) are available with adjustments made by means of a wrench knob.
Handwheel adjustment, preset and tamperproof versions are available.

PRESSURE GAUGES
2” Diameter - Steel, Brass or Stainless Steel Case
Ranges: 0-30, 0-60 and 0-160 PSI (0-207, 0-414 and 0-1103 kPa)
MOUNTING
Line - All Variations
Wall - GFH45 (Standard) - (GFH75/76 Optional)
Flush-back panel mounted (3 hole) (Optional)

Each unit incorporates four 1/4” NPT connections. The additional porting allows
installation of a gauge for monitoring output pressure. Brass, steel and stainless
steel case gauges are available.

ADJUSTMENT
Knob - Standard
Handwheel - Optional
Preset - Factory output setting CAN be field adjusted
Tamperproof - Factory output setting CANNOT be field adjusted

These Airpaks® are designed for reliability with an absolute minimum of maintenance. The characteristics are a result of Conoflow’s high standards of manufacturing and years of experience as a leading producer of pneumatic instrumentation.

DIMENSIONAL DATA - ADVERTISING DRAWINGS:
GFH45: A17-83
GFH75: A17-84
GFH76: A17-84

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