PartsTable
Technical Data Sheet
B31644C ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 SEAT, bonnet_type: OUTSIDE SCREW-YOKE, connection_style: SOCKET (PIPE) FIRST END, style_designator: STRAIGHT THRU, features_provided: VALVE STEM LOCK SHIELD AND BONNET PACKING, operating_pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-121-6872, 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
B31644C
NSN: 4820-00-121-6872
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 410 SEAT
bonnet_typeOUTSIDE SCREW-YOKE
connection_styleSOCKET (PIPE) FIRST END
style_designatorSTRAIGHT THRU
features_providedVALVE STEM LOCK SHIELD AND BONNET PACKING
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp775.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
media_for_which_designedSTEAM SINGLE RESPONSE
renewable_seat_ring_typeTHREADED
NSN4820-00-121-6872
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: B31644C · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CRITICALITY CODE JUSTIFICATION: ZZZY
STYLE DESIGNATOR: STRAIGHT THRU
BONNET ATTACHMENT METHOD: BOLTED
CONNECTION STYLE: SOCKET (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES FIRST END IN
FLOW CONTROL DEVICE: DISK
VALVE OPERATION METHOD: MANUAL
MAXIMUM OPERATING TEMP: 775.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORSTRAIGHT THRU
BONNET ATTACHMENT METHODBOLTED
CONNECTION STYLESOCKET (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END IN
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODMANUAL
MAXIMUM OPERATING TEMP775.0 FAHRENHEIT SINGLE RESPONSE DEGF
RENEWABLE SEAT RING TYPETHREADED
MATERIALSTEEL CORROSION RESISTING STEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MIL-V-22094L1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-V-22094Interchangeable
Same NIIN cross-reference
interchangeable
B31644CL1Interchangeable
Same NIIN cross-reference
interchangeable
W05-3084B-02TSL1Interchangeable
Same NIIN cross-reference
interchangeable
33311-30 W05-3084B-02TSInterchangeable
Same NIIN cross-reference
interchangeable
A7103-1L1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy B31644C?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is B31644C?
B31644C is a VALVE,STOP-CHECK.
What parts can replace B31644C?
There are 7 known substitutes for B31644C: MIL-V-22094L1, MIL-V-22094, B31644CL1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B31644C?
B31644C is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-121-6872. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B31644C