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1541 DRL — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1541 DRL: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY FLOW CONTROL DEVICE, bonnet_type: INSIDE SPRING, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: PLAIN,OPTIONAL END(PIPE) SECOND END, special_features: LIFTING LEVER AND VENTED BONNET, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-316-7364, 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
1541 DRL
NSN: 4820-01-316-7364
FSC: 4820 — Valves, Nonpowered
CAGE: 8M669 — CLEVELAND VALVE AND GAUGE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY FLOW CONTROL DEVICE
bonnet_typeINSIDE SPRING
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_stylePLAIN,OPTIONAL END(PIPE) SECOND END
special_featuresLIFTING LEVER AND VENTED BONNET
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
mounting_facilityTHREADED FASTENER
operating_pressure350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.750 INCHES ALL ENDS IN
NSN4820-01-316-7364
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1541 DRL · 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
•
RENEWABLE SEAT RING TYPE: RETAINING SCREW
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) SECOND END
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
OPERATING PRESSURE: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPERETAINING SCREW
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
OPERATING PRESSURE350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+15.0 TO 350.0 POUNDS PER SQUARE INCH LBS
BONNET TYPEINSIDE SPRING
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 2
2478DReference document
Same NSN cross-reference
Reference document — Secondary reference
2478D-XDA1Reference 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 1541 DRL?
1541 DRL is a VALVE,SAFETY RELIEF.
What parts can replace 1541 DRL?
There are 2 known substitutes for 1541 DRL: 2478D, 2478D-XDA1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1541 DRL?
1541 DRL is cataloged in the U.S. Government catalog under NSN 4820-01-316-7364. This indicates validated use in U.S. government and defense supply chains.
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