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20114D51B — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20114D51B: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 FLOW CONTROL DEVICE, bonnet_type: EXPOSED SPRING, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, style_designator: ANGLE, features_provided: PRESSURE TIGHT OUTLET SIDE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-423-4594, 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
20114D51B
NSN: 4820-00-423-4594
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 FLOW CONTROL DEVICE
bonnet_typeEXPOSED SPRING
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
style_designatorANGLE
features_providedPRESSURE TIGHT OUTLET SIDE
nominal_thickness0.438 INCHES FIRST END IN
bolt_hole_quantity6 FIRST END
flange_face_designPLAIN FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-00-423-4594
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20114D51B · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
RENEWABLE SEAT RING TYPE: THREADED
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 4.438 INCHES FIRST END IN
•
CONNECTION TYPE: FLANGE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
BOLT HOLE NOMINAL DIAMETER: 0.562 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
RENEWABLE SEAT RING TYPETHREADED
FLANGE FACE DESIGNPLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER4.438 INCHES FIRST END IN
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END IN
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+20.0 TO 24.0 POUNDS PER SQUARE INCH LBS
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 20114D51B?
20114D51B is a VALVE,SAFETY RELIEF.
What is the NSN for 20114D51B?
20114D51B is cataloged in the U.S. Government catalog under NSN 4820-00-423-4594. This indicates validated use in U.S. government and defense supply chains.
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