4820-00-483-0677 VALVE,GATE Index 4820-00-483-0679 VALVE,CHECK

National Stock Number:
4820-00-483-0678

Federal Supply Class:
4820

National Item Identification Number:
004830678

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
803-1385721 3/853711NAVAL SEA SYSTEMS COMMAND
803-1385721-2180064NAVAL SHIP SYSTEMS COMMAND
810-138572180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY 400 OR
NICKEL ALLOY R-405 FLOW CONTROL DEVICE
COPPER ALLOY 922 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-C-390,ALLOY D4// FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP425.0 DEG FAHRENHEIT 1ST RESPONSE
150.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
SPECIAL FEATURES0.375 IN. VALVE SIZE,EACH VALVE SHALL HAVE THREEBUNA-N O-RINGS PACKED IN A BAG AND SECURELY ATTACHED WITH INSTRUCTIONS O-RINGS FOR OIL SERVICE ONLY
TEST DATA DOCUMENT03950-ACID NO.882037210 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).


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