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GFH20-IOM 05/16 

 

 

 

          WARNING - TECHNICAL DATA SUBJECT TO EAR CONTROLS 

THIS DOCUMENT CONTAINS TECHNICAL DATA WHOSE EXPORT IS RESTRICTED BY THE EXPORT ADMINISTRATION ACT OF 1979, AS AMENDED 

(TITLE 50, U.S.C., APP. 2401, ET SEQ.) VIOLATION OF THIS EXPORT CONTROL LAW IS SUBJECT TO SEVERE CRIMINAL PENALTIES. 

 

 

 

 

 

 

ITT 

Conoflow 

105 Commerce Way 
Westminster, SC 29693 
Tel:  (864) 647-9521 
Fax: (864) 647-9574 

 

 

 
 

 

 

INSTRUCTION AND MAINTENANCE MANUAL 

IEEE QUALIFIED AIRPAK 

MODEL GFH20XT1767C -  25 PSI (172 kPa) 

              GFH20XT1767F -   60 PSI (414 kPa) 

               GFH20XT1767G - 125 PSI (862 kPa) 

 

CAUTION:  These instructions should be read 
carefully prior to installation, use or maintenance. 

 

GENERAL PRODUCT OVERVIEW 

 
Conoflow’s Model GFH20XT1767_  Series Airpak®, 
Filter-Regulator has been qualified in accordance with 
requirements of IEEE 323-1974 and the recommended 
practices of IEEE 344-1975.  The test program included 
Thermal Aging, Radiation Aging, Wear Aging, Seismic 
Qualification and Steam Line Break testing. For details 
of test conditions consult the factory. 
 
This unit is a pressure reducing, relief type regulator and 
air filter combination. It is used to provide clean 
regulated air pressure to instruments, controls and other 
pneumatic devices. The Regulator has a maximum 
supply pressure capability of 200 PSIG (1380 kPa) with 
control output settings of 0-25, 0-60 and 0-125 PSIG (0-
172, 0-414 and 0-862 kPa). 
 
This regulator is offered with ¼” NPT inlet and outlet 
ports and two outlet gauge ports.  A wrench knob 
adjustment is standard. 
 

CAUTION:  

Maximum Supply Pressure is 200 PSIG 

(1380 kPa)

 

 

WARNING: 

This product is 

not

 recommended for use 

with flammable liquids or gasses

 
 
 
 

 

 
 
 
MATERIALS OF CONSTRUCTION 

Nozzle Assembly: Brass/ Stainless Steel 
Range Spring: 17-7 PH Stainless Steel 
Diaphragm Assembly: Brass/Viton – Nomex Reinforced 
Bowl: Brass 
Body: Brass 
Bonnet: Brass 
O-rings: Viton 

 
SPECIFICATIONS 
Maximum Supply Pressure:

 

200 psig (1380 kPa) 

Outlet pressure ranges are determined by the last 
character in the regulator model number. 

C

” 

25 psig (172 kPa) 

F

” 

60 psig (414 kPa) 

G

” 

125 psig (862 kPa) 

Flow Capacity: 

16 SCFM (0.453 m3/min) (with 100 PSI 

(690 kPa) supply pressure) 

Temperature Range:

   -20 °F to 150 °F 

 

 

 

 (-29 °C to 66 °C) 

Filter Rating:

   10 micron (cellulose) 

Connections:

  ¼” NPT Inlet and Outlet Ports, 

Two ¼” NPT Gauge Ports (90 Degrees 
 from Outlet Port) 

Weight: 3.12

 lb (1.41 kg) 

 

Note: 

IEEE Qualification validates ability to operate at 
higher temperatures.  Temperature Range is for 
conformance to published specifications

 

WARNING 

Conoflow’s products are designed and manufactured 
using materials and workmanship required to meet all 
applicable standards.  The use of these products 
should be confined to services specified and/or 
recommended in the Conoflow catalogs, instructions, 
or by Conoflow application engineers. 
 
To avoid personal injury or equipment damage 
resulting from misuse or misapplication of a product, 
it is necessary to select the proper materials of 
construction and pressure-temperature ratings which 
are consistent with performance requirements.

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