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552225 — VALVE,PURGE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

552225: VALVE,PURGE.

The VALVE,PURGE is a the manufacturer industrial component. Key specifications include special_features: VENT-1;ATEX, end_item_identification: RFA WAVE KNIGHT, part_name_assigned_by_controlling_agency: EPV-6000 PURGE VENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-663-4819, 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
552225
NSN: 4820-01-663-4819
FSC: 4820 — Valves, Nonpowered
CAGE: 29899 — CALGON CARBON UV TECHNOLOGIES LLC DBA HYDE MARINE (USA)
SPECIFICATIONS
special_featuresVENT-1;ATEX
end_item_identificationRFA WAVE KNIGHT
part_name_assigned_by_controlling_agencyEPV-6000 PURGE VENT
NSN4820-01-663-4819
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 552225 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESVENT-1;ATEX
PART NAME ASSIGNED BY CONTROLLING AGENCYEPV-6000 PURGE VENT
END ITEM IDENTIFICATIONRFA WAVE KNIGHT
SUBSTITUTES & CROSS-REFERENCES 2
161792Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
45051089Same 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 552225?
552225 is a VALVE,PURGE.
What parts can replace 552225?
There are 2 known substitutes for 552225: 161792, 45051089. Substitute compatibility should be verified for your specific system.
What is the NSN for 552225?
552225 is cataloged in the U.S. Government catalog under NSN 4820-01-663-4819. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.