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ITT GFH25XT1767C Instruction And Maintenance Manual

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CAUTION: These instructions should be read
carefully prior to installation, use or maintenance.
GENERAL PRODUCT OVERVIEW
Conoflow's Model GFH25XT1767_ 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
Prior to installation, inspect the package and
product for damage. Do not use if damaged.
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.
Conoflow
ITT
105 Commerce Way
Westminster, SC 29693
Tel: (864) 647-9521
Fax: (864) 647-9574
INSTRUCTION AND MAINTENANCE MANUAL
IEEE QUALIFIED AIRPAK
MODEL GFH25XT1767C Rev. E - 25 PSI (172 kPa)
GFH25XT1767F Rev. G - 60 PSI (414 kPa)
GFH25XT1767G Rev. E - 125 PSI (862 kPa)
gasses.
GFH25-IOM Rev. G 10/22/2024
WARNING - TECHNICAL DATA SUBJECT TO EAR CONTROLS
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.
MATERIALS OF CONSTRUCTION
Nozzle Assembly: Brass with Stainless Plug and a Viton
relief seat.
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:
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)
Supply Pressure Effect: Maximum of 3.7 PSI increase
*
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: Temperature Range is for conformance to published
specifications. Product has been environmentally
qualified to perform its intended safety function at
higher temperatures - see EQ test report 3413.
WARNING
200 psig (1380 kPa)
per 25 PSI decrease in supply

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Summary of Contents for ITT GFH25XT1767C

  • Page 1 INSTRUCTION AND MAINTENANCE MANUAL IEEE QUALIFIED AIRPAK MODEL GFH25XT1767C Rev. E - 25 PSI (172 kPa) GFH25XT1767F Rev. G - 60 PSI (414 kPa) GFH25XT1767G Rev. E - 125 PSI (862 kPa) CAUTION: These instructions should be read MATERIALS OF CONSTRUCTION carefully prior to installation, use or maintenance.
  • Page 2 STORAGE / HANDLING Teflon tape is the preferred lubricant for the dryseal pipe thread connections in this product. Store per ANSI-ASME N45.2.2 Level B. WARNING: Excessive thread lubricant or sealant used INSTALLATION / RIGGING during installation can migrate into the regulator relief valve during relieving operation and cause malfunction.
  • Page 3 OPERATION IN SERVICE NOTE: The downstream pressure will change as the flow Open upstream controls to provide the regulator supply changes. As the flow increases, the delivery pressure will pressure. To increase the output set pressure, rotate the decrease. See the GFH25 series representative flow knob clockwise.
  • Page 4 TROUBLESHOOTING GUIDE REPAIR AND MAINTENANCE Symptom: External leakage WARNING: To prevent equipment damage or injury, Potential Cause: Diaphragm to body joint seal insure that all system pressure is relieved and the supply leakage. valve for this regulator is secured in the off position. Repair: Disassemble.
  • Page 5 3. Lubricate (Molykote 33) and replace the o-ring 9. Ensure that the baffle plate (10) is installed in the (23) around the cap nut (24). groove in the body (12) before installing the 4. Lubricate (Molykote 33) and replace the bowl o- diaphragm SA (9).
  • Page 6 ITEM NO. QUANTITY DESCRIPTION / MATERIAL PART NO. Adjusting Knob / SZP G6017750 Hex Jam Nut / 18-8 SS G6900211 Panel Lock nut / SZP G6017628 Bonnet Screws / 18-8 SS G6900046 Bonnet / Brass G6017412 Spring Plate / SZP G6018857 Range Spring 0-25 PSI G6019997...

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