TOP OPERATED BOTTOM UNLOAD VALVE

SKU: OVOM

  • Our Top Operated Bottom Unload Valve is AAR Approved

    • General Purpose Tank Car Parts

  • • Stainless Steel

    • Soft or Metal Seat Available

    • Temperature Rating: 300 F, 500 F, 600 F

    • Pressure Rating: 250 PSI

UFPFR Model Numbers

Model Numbers

Valve Size Model Body Material Internal Component Material O-Ring Elastomer Material
6" OVOM 36: 316 Stainless Steel 36: 316 Stainless Steel See Elastomer Table

Common Variations

Part No. Model Number Rating
509028-01 6-OVOM-3636-EDPM 250 psig @ 300F Max
509028-02 6-OVOM-3636-T 250 psig @ 500F Max
509028-03 6-OVOM-3636-PK 250 psig @ 500F Max
509028-04 6-OVOM-3636-750 250 psig @ 600F Max
509028-05 6-OVOM-3636-WHEP521 250 psig @ 300F Max
509028-06 6-OVOM-3636-VSPE22 250 psig @ 300F Max

Elastomer Table

Part No. Material ABB
44682-01 EPDM, PC -EPDM
44333-01 VIRGIN TEFLON -T
110434-01 PEEK -PK
110483-01
110484-01		 316 SST BACKING RING
ALLOY X-750 C-SEAL SEAT		 -750
44682-02 WHEP521 -WHEP521
44682-03 VSP E22 VITON GFS -VSPE22

Replacement Parts

Part No. Description Quantity
110248-01 VALVE CAGE, YOKE 1
42824-01 VALVE CAGE, RING 1
91188-01 STEM, ACME 1
42826-02 COUPLING 1
110349-01 CAP, PLUG RETAINER 1
110351-01 RETAINER, STUD S/A 1
305-1277 PIN, SPRING COIL, 1/2 X 3 1/2 1
SEE ELASTOMER TABLE SEATING RING 1
110352-01 RETAINER, SEATING RING 1
305-9625 LOCKWASHER, 5/8 INCH 2
304-7618 NUT, 5/8-11 SLOTTED 1
305-0448 PIN, COTTER 1
DDB0059-120 KEY, 13/32 X 1 7/8 1
305-1388 PIN, SPRING 1/4 X 2 3/4 2
305-1389 PIN, SPRING 1.2 X 2 1/4 2
304-5825 STUD, 1-8 UNC X 6 INCH 3
304-7285 NUT, HVY HEX, 1-8 UNC 3
305-9501 SPLIT LOCK WASHER 3

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