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Technical Data Sheet
PartsTable / COMPONENT / 1B434 11/2INCH
1B434 11/2INCH ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The 1B434 11/2INCH is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-851-4112, 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
1B434 11/2INCH
NSN: 4820-00-851-4112
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
Part Number1B434 11/2INCH
NSN4820-00-851-4112
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1B434 11/2INCH · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMCU0202 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 550.0 FAHRENHEIT FIRST RESPONSE DEGF
•
VALVE OPERATION METHOD: MANUAL
•
MATERIAL: COPPER ALLOY 922 BODY
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTMCU0202 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTMSTB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT FIRST RESPONSE DEGF
VALVE OPERATION METHODMANUAL
MATERIALCOPPER ALLOY 922 BODY
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FLOW CONTROL DEVICEDISK
BONNET TYPEINSIDE SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
SL6013PC18Interchangeable
interchangeable cross-reference
interchangeable
1144PInterchangeable
interchangeable cross-reference
interchangeable
SL7724PC44Interchangeable
interchangeable cross-reference
interchangeable
311203Interchangeable
interchangeable cross-reference
interchangeable
212PInterchangeable
interchangeable cross-reference
interchangeable
7512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B434 11/2INCH?
1B434 11/2INCH is a 1B434 11/2INCH.
What parts can replace 1B434 11/2INCH?
There are 30 known substitutes for 1B434 11/2INCH: SL6013PC18, 1144P, SL7724PC44 and 27 more. Substitute compatibility should be verified for your specific system.
Is 1B434 11/2INCH still available?
1B434 11/2INCH is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026