4820-01-434-3344, VALVE,LIFT-CHECK

5961-01-434-3345 SEMICONDUCTOR DEVICE,DIODE

National Stock Number:
4820-01-434-3344

Federal Supply Class:
4820

National Item Identification Number:
014343344

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:

211031925	53711	NAVAL SEA SYSTEMS COMMAND
6397434	53711	NAVAL SEA SYSTEMS COMMAND
803-2177934-244121	53711	NAVAL SEA SYSTEMS COMMAND
803-6397434-244121	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 AND 1 WRENCH
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-24252 COMP 1 COND CA-7 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-24252 COMP 1 COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-83248 TY 1 CL2 90 DUROMETER MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL	COBALT AND CHROMIUM AND NICKEL FLOW CONTROL DEVICE
MATERIAL	COBALT AND CHROMIUM AND NICKEL SEAT
MATERIAL	RUBBER FLUOROCARBON CLASS FPM PACKING
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES ALL ENDS
RENEWABLE SEAT RING TYPE	THREADED
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU

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