PartsTable
Technical Data Sheet

228-2-1/2IN — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

228-2-1/2IN: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: IRON CAST BODY, valve_size: 2.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-382-8052, 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
228-2-1/2IN
NSN: 4820-01-382-8052
FSC: 4820 — Valves, Nonpowered
CAGE: 0FCV0 — KEYSTONE INTL INC (USA)
SPECIFICATIONS
materialIRON CAST BODY
valve_size2.500 INCHES IN
special_featuresWITH NOTCHED PLATE HANDLE, ALUMINUM BRONZE DISK, STAINLESS STEEL STEM, EPDM SEAT, ACETAL STEM BUSHING, BUNA-N STEM PACKING; 175 PSI
NSN4820-01-382-8052
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 228-2-1/2IN · 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
•
VALVE SIZE: 2.500 INCHES IN
•
MATERIAL: IRON CAST BODY
TECHNICAL CHARACTERISTICS
VALVE SIZE2.500 INCHES IN
SPECIAL FEATURESWITH NOTCHED PLATE HANDLE, ALUMINUM BRONZE DISK, STAINLESS STEEL STEM, EPDM SEAT, ACETAL STEM BUSHING, BUNA-N STEM PACKING; 175 PSI
MATERIALIRON CAST BODY
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 228-2-1/2IN?
228-2-1/2IN is a VALVE,BUTTERFLY.
What is the NSN for 228-2-1/2IN?
228-2-1/2IN is cataloged in the U.S. Government catalog under NSN 4820-01-382-8052. 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.