4820-01-236-8835, VALVE,SAFETY RELIEF

National Stock Number:
4820-01-236-8835

Federal Supply Class:
4820

National Item Identification Number:
012368835

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Manufacturer Information:

7M304	76301	THE BOEING COMPANY
RV05-30-80.0	91816	CIRCOR AEROSPACE, INC.
ST7M304D2N0800	76301	THE BOEING COMPANY

Techincal Specification:

CONNECTION TYPE	THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
DISK LOADING METHOD	SPRING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	ALUMINUM BODY
MAXIMUM OPERATING TEMP	250.0 FAHRENHEIT SINGLE RESPONSE
MINIMUM OPERATING TEMP	-40.0 FAHRENHEIT
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS
OPENING PRESSURE SETTING	80.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES	PACKING,BUNA-N PER MIL-P-25732
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TYPE I MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENT	ANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTION	RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR	NPT ALL ENDS
VALVE OPERATION METHOD	AUTOMATIC

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