4820-01-535-4071, VALVE,STOP-CHECK

National Stock Number:
4820-01-535-4071

Federal Supply Class:
4820

National Item Identification Number:
015354071

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:

803-1385541-033AF

80064

NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BOLT CIRCLE NOMINAL DIAMETER	5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY	8 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	FLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
FACE TO FACE DISTANCE	10.000 INCHES
FLANGE FACE DESIGN	PLAIN ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A494 -30H ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	COPPER ALLOY 922 BODY
MATERIAL	GRAPHITE PACKING
MATERIAL	NICKEL ALLOY FLOW CONTROL DEVICE
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY STEM
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	3.000 INCHES ALL ENDS
NOMINAL OUTSIDE DIAMETER	6.625 INCHES ALL ENDS
NOMINAL THICKNESS	0.500 INCHES ALL ENDS
OPERATING PRESSURE	100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
RAISED FACE NOMINAL DIAMETER	3.000 INCHES ALL ENDS
RENEWABLE SEAT RING TYPE	THREADED
SPECIAL FEATURES	SUITABLE FOR SALT WATER SERVICE; TECH MANUAL 0948-LP-012-5000
VALVE OPERATION METHOD	MANUAL OR AUTOMATIC
VALVE SIZE	3.000 INCHES
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
TEST DATA DOCUMENT	81349-MIL-S-901D INTERIM CHANGE I FOR LIGHTWEIGHT EQUI+0.81349-MIL-S-901D INTERIM CHANGE I FOR LIGHTWEIGHT EQUI+0GR A CL I TY A 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.). AND MIL-STD-167 TY I STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).

Click here to Register for Free 30-day Trial