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P20-863 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P20-863: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: STEEL BODY, body_style: STRAIGHT THRU W/OFFSET, regulation_type: MANUAL SINGLE STAGE, special_features: INCLUDES A SEPARATE SAFETY RELIED VALVE FOR LIMITING OPERATING PRESSURE OF DOWNSTREAM LINE, mounting_facility: STUD. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-043-4553, 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
P20-863
NSN: 4820-01-043-4553
FSC: 4820 — Valves, Nonpowered
CAGE: 72893 — ROBERTSHAW CONTROLS CO GRAYSON CONTROLS DIV (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL BODY
body_styleSTRAIGHT THRU W/OFFSET
regulation_typeMANUAL SINGLE STAGE
special_featuresINCLUDES A SEPARATE SAFETY RELIED VALVE FOR LIMITING OPERATING PRESSURE OF DOWNSTREAM LINE
mounting_facilitySTUD
valve_loading_methodSPRING
manual_control_methodSCREW
outlet_pressure_range0.0 TO 50.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedACETYLENE
first_end_connection_typeTHREADED INTERNAL PIPE
NSN4820-01-043-4553
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P20-863 · 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
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU W/OFFSET
•
REGULATION TYPE: MANUAL SINGLE STAGE
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
OUTLET PRESSURE RANGE: 0.0 TO 50.0 CAMERA MOUNT
•
MANUAL CONTROL METHOD: SCREW
TECHNICAL CHARACTERISTICS
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU W/OFFSET
REGULATION TYPEMANUAL SINGLE STAGE
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
OUTLET PRESSURE RANGE0.0 TO 50.0 CAMERA MOUNT
MANUAL CONTROL METHODSCREW
VALVE LOADING METHODSPRING
MOUNTING FACILITYSTUD
SUBSTITUTES & CROSS-REFERENCES 1
AL483Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P20-863?
P20-863 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace P20-863?
There is 1 known substitute for P20-863: AL483. Substitute compatibility should be verified for your specific system.
What is the NSN for P20-863?
P20-863 is cataloged in the U.S. Government catalog under NSN 4820-01-043-4553. This indicates validated use in U.S. government and defense supply chains.
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