4820-00-181-9450, VALVE,STOP-CHECK

National Stock Number:
4820-00-181-9450

Federal Supply Class:
4820

National Item Identification Number:
001819450

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:

807-1800 ASSEMBLY S807-18	1GZ83	SFC VALVE CORPORATION
MILV22094	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
S807-18/807-1800N0 REV/8820385	1GZ83	SFC VALVE CORPORATION
S807-18/807-1800N0 REV/8820395	1GZ83	SFC VALVE CORPORATION
S807-18/807-1800NO REV/8820385	1GZ83	SFC VALVE CORPORATION
S807-18/807-1800NO REV/8820395	1GZ83	SFC VALVE CORPORATION
S807-18/807-1800NO REV/8820395	32373	SFC VALVE CORP
S807-1800	1GZ83	SFC VALVE CORPORATION
W053084B02TS/33311-30H/882033650	57574	VELAN VALVE CORP.

Techincal Specification:

BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
DISK LOADING METHOD	WEIGHT
FEATURES PROVIDED	BONNET PACKING
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-17131,MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	STEEL BODY
MATERIAL	STEEL COMP 410 STEM
MATERIAL	STEEL FLOW CONTROL DEVICE
MATERIAL	STEEL SEAT
MAXIMUM OPERATING PRESSURE	1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	775.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES ALL ENDS
NONDEFINITIVE SPEC/STD DATA	D COMPOSITION
SPECIAL FEATURES	1.000 IN. VALVE SIZE
SPECIFICATION/STANDARD DATA	81349-MIL-V-22094 GOVERNMENT SPECIFICATION
STYLE DESIGNATOR	STRAIGHT THRU
TEST DATA DOCUMENT	81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VALVE OPERATION METHOD	MANUAL

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