4820-00-186-3828 VALVE,GLOBE Index 4820-00-186-3831 VALVE,GLOBE

National Stock Number:
4820-00-186-3829

Federal Supply Class:
4820

National Item Identification Number:
001863829

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.


Manufacturer Information:
1605-013-E-000176364MILWAUKEE VALVE CO, INC
4384536ASSY42B180064NAVAL SHIP SYSTEMS COMMAND
4820PL13414279009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
803 4384536-42B53711NAVAL SEA SYSTEMS COMMAND
803-438453680064NAVAL SHIP SYSTEMS COMMAND
803-4384536-42B80064NAVAL SHIP SYSTEMS COMMAND
803-4384536-42B1AF80064NAVAL SHIP SYSTEMS COMMAND
810-138572280064NAVAL SHIP SYSTEMS COMMAND
810-438453680064NAVAL SHIP SYSTEMS COMMAND
810-4384536-42B80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
FEATURES PROVIDEDBONNET PACKING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164-61 ASSN STD 1ST MATERIAL RESPONSE OR QQ-N-286 FED SPEC 2ND MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY K-500 STEM
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS
SPECIAL FEATURES0.750 IN. VALVE SIZE,EA VALVE SHALL HAVE THREE BUNA-N O-RINGS PACKED IN A BAG AND SECURELY ATTACHED WITH INSTRUCTIONS,O-RINGS FOR OIL SERVICE ONLY
RENEWABLE SEAT RING TYPETHREADED
STYLE DESIGNATORSTRAIGHT THRU
TEST DATA DOCUMENT03950-CID882037167 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.).
VALVE OPERATION METHODMANUAL


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