Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW
The 590-1/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-7151, indicating validated use in U.S. government and defense logistics supply chains.
Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
590-1/2
NSN:4820-00-288-7151 FSC:4820 CAGE:48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
Part Number
590-1/2
NSN
4820-00-288-7151
COMPONENT DIAGRAM
KEY FEATURES
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: BALL
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPE
THREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHOD
AUTOMATIC
FLOW CONTROL DEVICE
BALL
MAXIMUM OPERATING TEMP
500.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLE
PLAIN, OPTIONAL END (PIPE) ALL ENDS
MOUNTING POSITION
HORIZONTAL
OPERATING PRESSURE
400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
NOMINAL THREAD SIZE
0.500 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNED
STEAM FIRST RESPONSE
OPERATING PRESSURE
200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS