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20055R51M — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20055R51M: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, bonnet_type: INSIDE SCREWINSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: STREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS, style_designator: ANGLE, flow_control_device: DISKDISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-202-0179, 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
20055R51M
NSN: 4820-01-202-0179
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialBRONZE BODY
bonnet_typeINSIDE SCREWINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
style_designatorANGLE
flow_control_deviceDISKDISK
valve_operation_methodAUTOMATIC
bonnet_attachment_methodTHREADEDTHREADED
adjustable_pressure_range+151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
nominal_outside_diameter_tube_accommodated1.000 INCHES ALL ENDS IN
NSN4820-01-202-0179
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20055R51M · 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: DISKDISK
•
CONNECTION STYLE: STREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES ALL ENDS IN
•
ADJUSTABLE PRESSURE RANGE: +151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
•
BONNET TYPE: INSIDE SCREWINSIDE SCREW
•
BONNET ATTACHMENT METHOD: THREADEDTHREADED
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISKDISK
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS IN
ADJUSTABLE PRESSURE RANGE+151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
BONNET TYPEINSIDE SCREWINSIDE SCREW
BONNET ATTACHMENT METHODTHREADEDTHREADED
MATERIALBRONZE BODY
VALVE OPERATION METHODAUTOMATIC
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 20055R51M?
20055R51M is a VALVE,SAFETY RELIEF.
What is the NSN for 20055R51M?
20055R51M is cataloged in the U.S. Government catalog under NSN 4820-01-202-0179. This indicates validated use in U.S. government and defense supply chains.
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