Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW
The VALVE,BUTTERFLY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-018-3825, 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
644858-7
NSN:4810-00-018-3825 FSC:4810 CAGE:98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
special_features
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;MAXIMUM OPERATING TEMPERATURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;
NSN
4810-00-018-3825
COMPONENT DIAGRAM
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;MAXIMUM OPERATING TEMPERATURE AND MEDIA FOR WHICH DESIGNED:NOT RATED;
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FREQUENTLY ASKED QUESTIONS
What is 644858-7?
644858-7 is a VALVE,BUTTERFLY.
What parts can replace 644858-7?
There are 8 known substitutes for 644858-7: ESP-F-1.321-PP, 877-014C, 4028-34-00 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644858-7?
644858-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-018-3825. This indicates validated use in U.S. government and defense supply chains.
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