4820-01-521-6146, VALVE,STOP-CHECK

National Stock Number:
4820-01-521-6146

Federal Supply Class:
4820

National Item Identification Number:
015216146

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:

5021-3	11859	HUNT VALVE COMPANY, INC.
5021-3	30263	PIMA VALVE, LLC

Techincal Specification:

MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL	COPPER ALLOY OVERALL
MATERIAL	NICKEL ALLOY STEM
PART NAME ASSIGNED BY CONTROLLING AGENCY	2" 150 LB. BRONZE, FLANGED SCUPPER VALVE WITH 150 LB. COMMERCIAL DRILLING.
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	2.000 INCHES ALL ENDS
NOMINAL OUTSIDE DIAMETER	5.000 INCHES ALL ENDS
NOMINAL THICKNESS	0.500 INCHES ALL ENDS
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	2.000 INCHES
STYLE DESIGNATOR	STRAIGHT THRU FLANGED ENDS
DISK LOADING METHOD	WEIGHT
BOLT CIRCLE NOMINAL DIAMETER	4.750 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER	0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY	4 ALL ENDS
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	FLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY	1 HANDLE
FACE TO FACE DISTANCE	8.000 INCHES
FLANGE FACE DESIGN	PLAIN ALL ENDS
FLANGE SHAPE	ROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

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