4820-01-208-2020 VALVE,Y Index 4810-01-208-2022 VALVE,BALL

National Stock Number:
4820-01-208-2021

Federal Supply Class:
4820

National Item Identification Number:
012082021

Description:
VALVE,RESTRICTOR CHECK

Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.


Manufacturer Information:
2641-694-0196169ELECTRIC BOAT CORPORATION
2641-694-01ASSEMBLY A96169ELECTRIC BOAT CORPORATION


Techincal Specification:
APERTURE DIAMETER5.312 INCHES NOMINAL
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET (PIPE) ALL ENDS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS
STYLE DESIGNATOROFFSET
VALVE OPERATION METHODAUTOMATIC


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