PartsTable
Technical Data Sheet
20055R ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING ALL ENDS, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-195-0316, 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
20055R
NSN: 4820-01-195-0316
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET WITH BRAZING RING ALL ENDS
style_designatorANGLE
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
bonnet_attachment_methodBOLTED
media_for_which_designedAIR FIRST RESPONSE
adjustable_pressure_range+151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-195-0316
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20055R · 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
MEDIA FOR WHICH DESIGNED: AIR FIRST RESPONSE
BONNET TYPE: INSIDE SCREW
BONNET ATTACHMENT METHOD: BOLTED
STYLE DESIGNATOR: ANGLE
MATERIAL: STEEL COMP 316 STEM
ADJUSTABLE PRESSURE RANGE: +151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLE: SOCKET WITH BRAZING RING ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
STYLE DESIGNATORANGLE
MATERIALSTEEL COMP 316 STEM
ADJUSTABLE PRESSURE RANGE+151.0 TO 180.0 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
MATERIALCOPPER ALLOY BODY
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8594Interchangeable
interchangeable cross-reference
interchangeable
204FS2-90Interchangeable
interchangeable cross-reference
interchangeable
8504Interchangeable
interchangeable cross-reference
interchangeable
64A92B968Interchangeable
interchangeable cross-reference
interchangeable
2281-0015007Interchangeable
interchangeable cross-reference
interchangeable
H504Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20055R?
20055R is a VALVE,SAFETY RELIEF.
What parts can replace 20055R?
There are 15 known substitutes for 20055R: 8594, 204FS2-90, 8504 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20055R?
20055R is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-195-0316. This indicates validated use in U.S. government and defense supply chains.
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