4820-01-213-7978, VALVE,REGULATING,FLUID PRESSURE

4820-01-213-7979 VALVE,REGULATING,FLUID PRESSURE

National Stock Number:
4820-01-213-7978

Federal Supply Class:
4820

National Item Identification Number:
012137978

Description:
VALVE,REGULATING,FLUID PRESSURE

Detail:
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes REGULATOR, PRESSURE, MEDICAL GAS ADMINISTRATION APPARATUS; REGULATOR, OXYGEN, BAROMETRIC CONTINUOUS FLOW; REGULATOR, OXYGEN DEMAND; REGULATOR, OXYGEN DILUTER DEMAND; and valve(1), fluid pressure regulating, aircraft.

Manufacturer Information:

30 4IN 250PSI CDSN672	35795	LESLIE CONTROLS, INC.
406-202	55378	TRAC REGULATOR CO., INC.
436 25T60PSI 250FLG 4IN	03847	WARREN CONTROLS, INC.
ASTM F 1370	81346	AMERICAN SOCIETY FOR TESTING AND MATERIALS
ASTM F 1370-2MF2B	81346	AMERICAN SOCIETY FOR TESTING AND MATERIALS
MIL-V-2042	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

END CONNECTION QUANTITY	22
BODY STYLE	STRAIGHT THRUSTRAIGHT THRU
FACE TO FACE DISTANCE	14.500 INCHES NOMINAL14.500 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER	6.562 INCHES NOMINAL6.562 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER	0.688 INCHES NOMINAL0.688 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY	88
FIRST END CONNECTION TYPE	PLAIN FACE FLANGEPLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER	7.688 INCHES NOMINAL7.688 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE	ROUND W/ BOLT HOLESROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS	1.000 INCHES NOMINAL1.000 INCHES NOMINAL
FIRST END STYLE DESIGNATOR	PLAINPLAIN
FLOW CONTROL DEVICE	DISK, FLAT, TOP AND BOTTOM GUIDEDDISK, FLAT, TOP AND BOTTOM GUIDED
OUTLET PRESSURE RANGE	+25.0 TO 60.0 POUNDS PER SQUARE INCH (PSI)+25.0 TO 60.0 POUNDS PER SQUARE INCH (PSI)
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIEDASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEMQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL	NICKEL ALLOY AND NICKEL ALLOY AND COPPER ALLOY SEATCOPPER ALLOY SEAT
MATERIAL	NICKEL ALLOY STEMNICKEL ALLOY STEM
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICERUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM INLET PRESSURE RATING	250.0 POUNDS PER SQUARE INCH (PSI)250.0 POUNDS PER SQUARE INCH (PSI)
MEDIA FOR WHICH DESIGNED	WATER, SALT LOCATION NOT OTHERWISE SPECIFIEDWATER, SALT LOCATION NOT OTHERWISE SPECIFIED
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 2 TYPE AND 250 CLASS250 CLASS
REGULATION TYPE	AUTOMATIC SINGLE STAGEAUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST END	IDENTICALIDENTICAL
VALVE STEM DESIGN	SINGLE SEATSINGLE SEAT
VALVE LOADING METHOD	SPRINGSPRING

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