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L2122C — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

L2122C: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, flange_shape: ROUND WITH HOLES FIRST END, connection_type: UNTHREADED INTERNAL PIPE SECOND END, style_designator: ANGLE, bolt_hole_quantity: 4 FIRST END, flange_face_design: PLAIN FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-287-2616, 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
L2122C
NSN: 4820-00-287-2616
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
flange_shapeROUND WITH HOLES FIRST END
connection_typeUNTHREADED INTERNAL PIPE SECOND END
style_designatorANGLE
bolt_hole_quantity4 FIRST END
flange_face_designPLAIN FIRST END
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedWATER, FRESH SINGLE RESPONSE
NSN4820-00-287-2616
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: L2122C · 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: POPPET
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES SECOND END IN
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 3.875 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
FLANGE SHAPEROUND WITH HOLES FIRST END
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES SECOND END IN
FLANGE FACE DESIGNPLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER3.875 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE SECOND END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.625 INCHES FIRST END IN
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SUBSTITUTES & CROSS-REFERENCES 2
66645Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP622Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 L2122C?
L2122C is a VALVE,SAFETY RELIEF.
What parts can replace L2122C?
There are 2 known substitutes for L2122C: 66645, NMP622. Substitute compatibility should be verified for your specific system.
What is the NSN for L2122C?
L2122C is cataloged in the U.S. Government catalog under NSN 4820-00-287-2616. This indicates validated use in U.S. government and defense supply chains.
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