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B12-2081-2 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B12-2081-2: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, disk_loading_method: WEIGHT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-121-6309, 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
B12-2081-2
NSN: 4820-01-121-6309
FSC: 4820 — Valves, Nonpowered
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
disk_loading_methodWEIGHT
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
nominal_outside_diameter_tube_accommodated1.500 INCHES ALL ENDS IN
NSN4820-01-121-6309
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B12-2081-2 · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
•
DISK LOADING METHOD: WEIGHT
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES ALL ENDS IN
DISK LOADING METHODWEIGHT
MATERIALCOPPER ALLOY OVERALL
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 3
15-0371Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
15-0371-PC41Reference document
Same NSN cross-reference
Reference document — Secondary reference
12-2081-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B12-2081-2?
B12-2081-2 is a VALVE,CHECK.
What parts can replace B12-2081-2?
There are 3 known substitutes for B12-2081-2: 15-0371, 15-0371-PC41, 12-2081-2. Substitute compatibility should be verified for your specific system.
What is the NSN for B12-2081-2?
B12-2081-2 is cataloged in the U.S. Government catalog under NSN 4820-01-121-6309. 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.