4820-01-435-6248, VALVE,STOP-CHECK

7643-01-435-6249 TOPOGRAPHIC GEOSPATIAL PRODUCTS

National Stock Number:
4820-01-435-6248

Federal Supply Class:
4820

National Item Identification Number:
014356248

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:

580-3 AND PLC-10383	99565	ADMIRAL VALVE LLC
CDA-10751	99565	ADMIRAL VALVE LLC
PLC-10383	99565	ADMIRAL VALVE LLC

Techincal Specification:

BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	THREADED
CONNECTION TYPE	THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CL B FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL ALLOY R-405 SEAT
MATERIAL	STEEL COMP 316 STEM
PART NAME ASSIGNED BY CONTROLLING AGENCY	GLOBE STOP CHECK VALVE
PROPRIETARY CHARACTERISTICS	PACS
MAXIMUM OPERATING TEMP	225.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	6000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MINIMUM OPERATING TEMP	-20.0 DEG FAHRENHEIT
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU

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