4820-01-083-7255, VALVE,STOP-CHECK

5915-01-083-7256 FILTER,RADIO FREQUENCY INTERFERE

National Stock Number:
4820-01-083-7255

Federal Supply Class:
4820

National Item Identification Number:
010837255

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:

W04-2085B-13MS	57574	VELAN VALVE CORP.
W04-2085B-13MS AND 33311-36	57574	VELAN VALVE CORP.

Techincal Specification:

BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A351,GRADE CF8M ASSN STD 1ST MATERIAL RESPONSE OR ASTM A182,GRADE F316 ASSN STD 2ND MATERIAL RESPONSE BODY
MATERIAL	STEEL COMP 316 FLOW CONTROL DEVICE
MATERIAL	STEEL COMP 316 SEAT
MATERIAL	STEEL CORROSION RESISTING BODY
MATERIAL	STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING TEMP	850.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITION	VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED	0.750 INCHES ALL ENDS
STYLE DESIGNATOR	ANGLE
VALVE OPERATION METHOD	MANUAL

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