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B4446TSW 1.25IN — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B4446TSW 1.25IN: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 FLOW CONTROL DEVICE, valve_size: 1.250 INCHES IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, special_features: APPLICATION: FUEL OIL; NO HANDLE, PREPARED FOR SERIES 39 ACTUATOR MOUNTING (NOT SUPPLIED), style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-574-5644, 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
B4446TSW 1.25IN
NSN: 4820-01-574-5644
FSC: 4820 — Valves, Nonpowered
CAGE: 28740 — FLOWSERVE US INC. DIV FLOWSERVE COOKEVILLE VALVE OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP 316 FLOW CONTROL DEVICE
valve_size1.250 INCHES IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
special_featuresAPPLICATION: FUEL OIL; NO HANDLE, PREPARED FOR SERIES 39 ACTUATOR MOUNTING (NOT SUPPLIED)
style_designatorSTRAIGHT THRU
operating_pressure1480.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
face_to_face_distance4.160 INCHES IN
maximum_operating_temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-50.0 FAHRENHEIT DEGF
valve_operation_methodAIR
end_item_identificationOVERHAUL/AVAILABILITY AS39
NSN4820-01-574-5644
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B4446TSW 1.25IN · 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
•
RENEWABLE SEAT RING TYPE: PRESSED-IN
•
CONNECTION STYLE: SOCKET ALL ENDS
•
MINIMUM OPERATING TEMP: -50.0 FAHRENHEIT DEGF
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 FORGED ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A216 GR WCB CAST ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
RENEWABLE SEAT RING TYPEPRESSED-IN
CONNECTION STYLESOCKET ALL ENDS
MINIMUM OPERATING TEMP-50.0 FAHRENHEIT DEGF
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 FORGED ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A216 GR WCB CAST ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 GR 316 SS ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 GR 316 SS ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONTFE MFR REF SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE1480.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B4446TSW 1.25IN?
B4446TSW 1.25IN is a VALVE,BALL.
What is the NSN for B4446TSW 1.25IN?
B4446TSW 1.25IN is cataloged in the U.S. Government catalog under NSN 4820-01-574-5644. This indicates validated use in U.S. government and defense supply chains.
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