4820-01-469-5772, VALVE,STOP-CHECK

National Stock Number:
4820-01-469-5772

Federal Supply Class:
4820

National Item Identification Number:
014695772

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:

7490-702	57574	VELAN VALVE CORP.
B10-1084C-13MS	57574	VELAN VALVE CORP.
P2-41565-G01	57574	VELAN VALVE CORP.
P2-41565-G01 ITEM 07	57574	VELAN VALVE CORP.

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING BODY
	STEEL COMP 316 FLOW CONTROL DEVICE
	GRAPHITE PACKING
	STEEL COMP 316 SEAT
	STEEL COMP 316 STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A351, GR CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY
	ASTM A182, TY 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
	MIL-P-24583, TY 1, CL 3, GR 1 MIL SPEC 1ST MATERIAL RESPONSE AND
	MIL-P-24503, TY 2, CL 1, GR 1 MIL SPEC 1ST MATERIAL RESPONSE PACKING
	ASTM A182, TY 316 ASSN STD SINGLE MATERIAL RESPONSE SEAT
	ASTM A479, TY 316 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR	STRAIGHT THRU
FLOW CONTROL DEVICE	DISK
MEDIA FOR WHICH DESIGNED	LIQUID SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC OR
	MANUAL
CONNECTION TYPE	BUTT WELD PIPE ALL ENDS
CONNECTION STYLE	BEVELED (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED	3.000 INCHES ALL ENDS
MOUNTING POSITION	HORIZONTAL
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	BOLTED
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
SPECIAL FEATURES	MFG SUGGESTS USING PART NUMBER, CERTIFICATION DATA SHEET, AND DRAWING NUMBER WHEN ORDERING; TRIM MATERIAL; DISK & SEAT/STELLITE 6; STEM/SS 316
PART NAME ASSIGNED BY CONTROLLING AGENCY	3" STOP CHECK VALVE - ANSI 300 LB CLASS

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