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Technical Data Sheet

GFI-1/2 C — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

GFI-1/2 C: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: ANGLE GIVE "ADQN" IF FLANGED ENDS, mounting_method: CLAMP BULB, flow_control_device: DISK, FLAT, first_end_thread_class: 3A A, second_end_thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-259-7870, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
GFI-1/2 C
NSN: 4820-01-259-7870
FSC: 4820 — Valves, Nonpowered
CAGE: 78462 — PARKER-HANNIFIN CORP DIV SPORLAN DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleANGLE GIVE "ADQN" IF FLANGED ENDS
mounting_methodCLAMP BULB
flow_control_deviceDISK, FLAT
first_end_thread_class3A A
end_connection_quantity2
second_end_thread_class3A A
media_for_which_designedREFRIGERANT 12
valve_equalizer_locationINTERNAL
first_end_connection_typeTHREADED EXTERNAL TUBE
first_end_style_designatorFLARED
first_end_thread_directionRIGHT-HAND
NSN4820-01-259-7870
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GFI-1/2 C · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK, FLAT
•
VALVE EQUALIZER LOCATION: INTERNAL
•
SECOND END SEAT ANGLE IN DEG: 37.0
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END THREAD CLASS: 3A A
•
BODY STYLE: ANGLE GIVE "ADQN" IF FLANGED ENDS
•
FIRST END SEAT ANGLE IN DEG: 37.0
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, FLAT
VALVE EQUALIZER LOCATIONINTERNAL
SECOND END SEAT ANGLE IN DEG37.0
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END THREAD CLASS3A A
BODY STYLEANGLE GIVE "ADQN" IF FLANGED ENDS
FIRST END SEAT ANGLE IN DEG37.0
FIRST END THREAD CLASS3A A
FIRST END STYLE DESIGNATORFLARED
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
03-85006 PC16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GFI-1/2 C?
GFI-1/2 C is a VALVE,EXPANSION.
What parts can replace GFI-1/2 C?
There is 1 known substitute for GFI-1/2 C: 03-85006 PC16. Substitute compatibility should be verified for your specific system.
What is the NSN for GFI-1/2 C?
GFI-1/2 C is cataloged in the U.S. Government catalog under NSN 4820-01-259-7870. This indicates validated use in U.S. government and defense supply chains.
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