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Technical Data Sheet
59437A2 R01 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, special_features: VALVE,SWING CHECK,SIZE 3/4 IN,CLASS 800. ALSO USED ON 1/2 AND 3/4 INCH GATE VALVE, 800 CLASS.

IN, seat_angle_in_deg: 5.000 NOMINAL, seating_surface_shape: ANGULAR, material_document_and_classification: A182 F316 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-504-2562, 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
59437A2 R01
NSN: 4820-01-504-2562
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL SEAT
special_featuresVALVE,SWING CHECK,SIZE 3/4 IN,CLASS 800. ALSO USED ON 1/2 AND 3/4 INCH GATE VALVE, 800 CLASS. IN
seat_angle_in_deg5.000 NOMINAL
seating_surface_shapeANGULAR
material_document_and_classificationA182 F316 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT
NSN4820-01-504-2562
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 59437A2 R01 · 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
SEAT ANGLE IN DEG: 5.000 NOMINAL
MATERIAL: STEEL SEAT
MATERIAL DOCUMENT AND CLASSIFICATION: A182 F316 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE IN DEG5.000 NOMINAL
MATERIALSTEEL SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONA182 F316 HF ASSN STD SINGLE MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPEANGULAR
SPECIAL FEATURESVALVE,SWING CHECK,SIZE 3/4 IN,CLASS 800. ALSO USED ON 1/2 AND 3/4 INCH GATE VALVE, 800 CLASS. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
32099Interchangeable
interchangeable cross-reference
interchangeable
12881Interchangeable
interchangeable cross-reference
interchangeable
32894Interchangeable
interchangeable cross-reference
interchangeable
87410Interchangeable
interchangeable cross-reference
interchangeable
2465223-P12Interchangeable
interchangeable cross-reference
interchangeable
A-A-55485/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 59437A2 R01?
59437A2 R01 is a SEAT,VALVE.
What parts can replace 59437A2 R01?
There are 11 known substitutes for 59437A2 R01: 32099, 12881, 32894 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 59437A2 R01?
59437A2 R01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-504-2562. This indicates validated use in U.S. government and defense supply chains.
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