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PRDB-LBN — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PRDB-LBN: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT, special_features: TURN TO INCREASE 5 TIMES CLOCKWISE; HEX VALVE SIZE 0.875 IN; 30/35 FOOT/LBS TORQUE; 3 PORT; LGTH O/A 4.470 IN IN, mounting_facility: THREADED FASTENER, operating_pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: SPOOL, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-535-1973, 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
PRDB-LBN
NSN: 4820-01-535-1973
FSC: 4820 — Valves, Nonpowered
CAGE: 54035 — SUN HYDRAULICS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
special_featuresTURN TO INCREASE 5 TIMES CLOCKWISE; HEX VALVE SIZE 0.875 IN; 30/35 FOOT/LBS TORQUE; 3 PORT; LGTH O/A 4.470 IN IN
mounting_facilityTHREADED FASTENER
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSPOOL
valve_operation_methodMANUAL
adjustable_pressure_range+50.0 TO 1500.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-535-1973
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PRDB-LBN · 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: SPOOL
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
OPERATING PRESSURE: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
ADJUSTABLE PRESSURE RANGE: +50.0 TO 1500.0 POUNDS PER SQUARE INCH LBS
•
MOUNTING FACILITY: THREADED FASTENER
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESPOOL
STYLE DESIGNATORSCREW-IN CARTRIDGE
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+50.0 TO 1500.0 POUNDS PER SQUARE INCH LBS
MOUNTING FACILITYTHREADED FASTENER
SPECIAL FEATURESTURN TO INCREASE 5 TIMES CLOCKWISE; HEX VALVE SIZE 0.875 IN; 30/35 FOOT/LBS TORQUE; 3 PORT; LGTH O/A 4.470 IN IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
VALVE OPERATION METHODMANUAL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PRDB-LBN?
PRDB-LBN is a VALVE,SAFETY RELIEF.
What is the NSN for PRDB-LBN?
PRDB-LBN is cataloged in the U.S. Government catalog under NSN 4820-01-535-1973. This indicates validated use in U.S. government and defense supply chains.
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