4820-00-138-3864, VALVE,STOP-CHECK

National Stock Number:
4820-00-138-3864

Federal Supply Class:
4820

National Item Identification Number:
001383864

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:

F130084C02TS/73423-20A/882039356	57574	VELAN VALVE CORP.
MIL-DTL-22052	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV22052	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
N30535SCSS	62650	FLOWORKS USA LP

Techincal Specification:

BOLT HOLE NOMINAL DIAMETER	0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
BOLT CIRCLE NOMINAL DIAMETER	7.500 INCHES ALL ENDS
CONNECTION TYPE	FLANGE ALL ENDS
FACE TO FACE DISTANCE	13.000 INCHES
FEATURES PROVIDED	BONNET PACKING
FLANGE FACE DESIGN	RAISED STRAIGHT ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	COBALT ALLOY SEAT
MATERIAL	COBALT ALLOY FLOW CONTROL DEVICE
MATERIAL	STEEL BODY
MATERIAL	STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE	150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	500.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER	9.000 INCHES ALL ENDS
NOMINAL THICKNESS	0.875 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA	D COMPOSITION
RAISED FACE NOMINAL DIAMETER	6.187 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT	0.062 INCHES ALL ENDS
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	5.000 INCHES
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
TEST DATA DOCUMENT	81349-MIL-S-901 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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