4820-00-287-2634 VALVE,SAFETY RELIEF Index 4820-00-287-2640 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-287-2639

Federal Supply Class:
4820

National Item Identification Number:
002872639

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
287263914959CRANE CO DIV VALVE DIV
61FSN45C88080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
82215S61-229PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-232PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-280PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-312PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-338PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-413PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-436PC9580064NAVAL SHIP SYSTEMS COMMAND
82215S61-488PC9580064NAVAL SHIP SYSTEMS COMMAND
82226S61-205PC6680064NAVAL SHIP SYSTEMS COMMAND
82226S61-211PC6680064NAVAL SHIP SYSTEMS COMMAND
82226S6100-598405PC4880064NAVAL SHIP SYSTEMS COMMAND
82226S6100-598477PC4880064NAVAL SHIP SYSTEMS COMMAND
SF-201-2#1114541COOPER MACHINERY SERVICES LLC
82226S6100-598479PC4880064NAVAL SHIP SYSTEMS COMMAND
FS0-37-6BPC4888080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FS0-37-6PC4888080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSC37FPC6688080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSC37PC6688080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSL37-5PC4888080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-1PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-2PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-3PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-4PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-5PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45-6PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45CPC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
FSN45PC9588080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
GD9-2460 1-2X5088080COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV
SF201-2N01114541COOPER MACHINERY SERVICES LLC


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY BODY
COPPER ALLOY FLOW CONTROL DEVICE
COPPER ALLOY SEAT
STEEL STEM
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH 1ST RESPONSE
300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT 1ST RESPONSE
100.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
PLAIN (PIPE) 2ND END
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPT 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.500 INCHES 2ND END
THREAD QUANTITY PER INCH14 1ST END
14 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODTHREADED
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE31.0 TO 60.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us