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B12-221-A2L-AV — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B12-221-A2L-AV: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: INCLUDED, material: ZINC SEAT, body_style: STRAIGHT THRU, furnished_items: OUTLET PRESSURE GAGE AND DUMP VALVE, regulation_type: MANUAL, DOUBLE STAGE, mounting_facility: BRACKET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-318-7925, 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
B12-221-A2L-AV
NSN: 4820-01-318-7925
FSC: 4820 — Valves, Nonpowered
CAGE: 43990 — NORGREN C A CO (USA)
SPECIFICATIONS
filterINCLUDED
materialZINC SEAT
body_styleSTRAIGHT THRU
furnished_itemsOUTLET PRESSURE GAGE AND DUMP VALVE
regulation_typeMANUAL, DOUBLE STAGE
mounting_facilityBRACKET
valve_stem_designDOUBLE SEAT
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
manual_control_methodKNOB
outlet_pressure_range5.0 TO 125.0 CAMERA MOUNT
end_connection_quantity1
NSN4820-01-318-7925
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B12-221-A2L-AV · 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: DIAPHRAGM
•
VALVE STEM DESIGN: DOUBLE SEAT
•
RENEWABLE SEAT RING TYPE: RETAINING RING
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: MANUAL, DOUBLE STAGE
•
FIRST END STYLE DESIGNATOR: OPTIONAL END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
VALVE STEM DESIGNDOUBLE SEAT
RENEWABLE SEAT RING TYPERETAINING RING
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEMANUAL, DOUBLE STAGE
FIRST END STYLE DESIGNATOROPTIONAL END
END CONNECTION QUANTITY1
OUTLET PRESSURE RANGE5.0 TO 125.0 CAMERA MOUNT
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B12-221-A2L-AV?
B12-221-A2L-AV is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for B12-221-A2L-AV?
B12-221-A2L-AV is cataloged in the U.S. Government catalog under NSN 4820-01-318-7925. This indicates validated use in U.S. government and defense supply chains.
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