5342-01-375-4519 FAIRLEAD,BLOCK Index 4820-01-298-8583 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-905-4665

Federal Supply Class:
4820

National Item Identification Number:
009054665

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:
RD10280M51663HYDRO-AIRE AEROSPACE CORP.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODMANUAL
MATERIALALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
STEEL COMP MTX1015 SEAT
SURFACE TREATMENTANODIZE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDSULPHUR DIOXIDE, GASEOUS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE21.50 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE2.0 CUBIC FEET PER MINUTE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
SEAT ANGLE45.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING21.5 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE20.5 TO 21.5 POUNDS PER SQUARE INCH
FEATURES PROVIDEDBONNET PACKING AND
PRESSURE TIGHT OUTLET SIDE
TEST DATA DOCUMENT51663-RD10280M DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
THE MANUFACTURERS DATA
MANUFACTURERS CODE51663
DESIGN CONTROL REFERENCERD10280M


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