4820-01-432-7698, VALVE,LIFT-CHECK

6110-01-432-7697 PANEL,POWER DISTRIBUTION

National Stock Number:
4820-01-432-7698

Federal Supply Class:
4820

National Item Identification Number:
014327698

Description:
VALVE,LIFT-CHECK

Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.

Manufacturer Information:

211032730	53711	NAVAL SEA SYSTEMS COMMAND
6397434	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-144121	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

BONNET TYPE	PACKING RETAINING
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
FURNISHED ITEMS AND QUANTITY	1 CAP
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-P-46036 TYPE 1 (PCTFE) MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-83248 CLASS 2 (90 DUROMETER) MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CLASS A FORM 2 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	NICKEL ALLOY BODY
MATERIAL	PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT
MATERIAL	RUBBER FLUOROCARBON CLASS FPM PACKING
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
MINIMUM OPERATING TEMP	28.0 FAHRENHEIT
MOUNTING POSITION	VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES ALL ENDS
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU

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