4″ Internal BOV

SKU: UFIRA

  • Our 4″ Internal BOV is AAR approved.

  • General Purpose Tank Car Parts

    Top Valves (Also Aux Bottom)

    • Carbon Steel

    • Stainless Steel

    • Corrosion-tested Stainless Steel

    • Pure Teflon™

    • Temperature Rating: 400 F

    • Pressure Rating: 250 PSI

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UFIRA Model Numbers

Model Numbers

Model Valve Size Body Material Ball Material Seat Material Seal Material Directions to Close
UFIRA: BOV, Internal Ball 4" 22: Carbon Steel 36: 316 Stainless Steel T: Pure Teflon T: Teflon CW: Clockwise to Close
36: 316 Stainless Steel M: Modified TFE M+: Teflon & Graohoil CCW: Counter Clockwise to Close
Omit for Standard

+M Seals and T Seals are identical in valves that use the Graphic/Garlock combination Thrust Washer.

UFIRA Common Variations

Common Variations

Model Number Part Number
4-UFIRA-2236TT-CCW 079358-09
4-UFIRA-3636TT-CCW 080395-10
4-UFIRA-2236TT-CW 501631-06
4-UFIRA-3636TT-CW 501642-07
4-UFIRA-3636MT-CCW 504382-04
4-UFIRA-T6T6TT-CW 514990
UFIRA Replacement Parts

Replacement Parts

Part Number Description Quantity
021461-01 Body, Carbon Steel 1
020870-01 Body, SST 1
017918-01 Ball 1
024356-01 Retainer, Carbon Steel 1
024351-01 Retainer, SST 1
013121-01 Packing Gland Sleeve 1
020689-01 Stem 1
020332-01 Cam-Stop 1
See Repair Kit Seat 2
See Repair Kit Retainer Gasket 1
See Repair Kit Stem Gasket, Grafoil 1
See Repair Kit Stem Gasket, Garlock 1
See Repair Kit Packing 1
304-8613 Locknut, 1-1/8-12 UNF-3 1
304-9207 SHCS, 1/2-13 UNC-2A x 1 LG 3
305-1469 Stop Pin 1
102952-05 ID Plate, Carbon Steel Valve 1
102952-06 ID Plate, SST Valve 1
304-8745 Drive Screw 3
080555-02 Handle 1
UFIRA Repair Kit Info

Repair Kit Info

Part Number Material
504083-01 Modified Teflon
503406-01 Pure Teflon

Related Products

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