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Technical Data Sheet

8251 11/2IN. — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8251 11/2IN.: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING STEM, stem_type: RISING, valve_size: 1.250 INCHES IN, bonnet_type: INSIDE SCREW, connection_type: SOCKET, WELD, PIPE, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-286-7606, 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
8251 11/2IN.
NSN: 4820-01-286-7606
FSC: 4820 — Valves, Nonpowered
CAGE: 11661 — NEWDELL COMPANY, THE DBA LADISH VALVES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING STEM
stem_typeRISING
valve_size1.250 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeSOCKET, WELD, PIPE
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
operating_pressure_and_type200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
inlet_relationship_with_outletIDENTICAL
nominal_pipe_size_accommodated1.250 INCHES IN
NSN4820-01-286-7606
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8251 11/2IN. · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES IN
•
OPERATING PRESSURE AND TYPE: 200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
CONNECTION TYPE: SOCKET, WELD, PIPE
•
VALVE SIZE: 1.250 INCHES IN
•
BONNET TYPE: INSIDE SCREW
•
BONNET ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES IN
OPERATING PRESSURE AND TYPE200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
CONNECTION TYPESOCKET, WELD, PIPE
VALVE SIZE1.250 INCHES IN
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODTHREADED
MATERIALSTEEL CORROSION RESISTING SEAT
MATERIALSTEEL CORROSION RESISTING 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 1
1832SWE SZ 1.250INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8251 11/2IN.?
8251 11/2IN. is a VALVE,GATE.
What parts can replace 8251 11/2IN.?
There is 1 known substitute for 8251 11/2IN.: 1832SWE SZ 1.250IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 8251 11/2IN.?
8251 11/2IN. is cataloged in the U.S. Government catalog under NSN 4820-01-286-7606. This indicates validated use in U.S. government and defense supply chains.
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