Page 28 - Petroleum
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• 4” high-capacity design provides superior flow for faster loading and unloading
• Superior safety with Civacon’s sequential valve technology
• Innovative sealing system features double u-cups and Teflon® inverted seals for a longer maintenace-free life
• Multiple mounting options, stainless steel spring , 1/4” NPT air lines holes
• Minimum operating pressure, 60 PSI; units begin to sequence at 50 PSI and begin to exhaust at 40 PSI
   Key
  Part Number
 Description
 Qty
 1
   CIV E51630A
  Body
  1
   2
 CIV E51633A
Poppet
  1
 3
  CIV D51637A
 Deflector
 1
 4
   CIV H20516M
  Plug
  2
   5
 CIV 51631RP
Piston
  1
 6
  CIV H51624M1
 Seal, Buna-N U-Cup
 2
 7
  CIV H51625M1
 Seal Ring, Teflon
 1
 8
   CIV H20249M1
  O-Ring, Buna-N
  2
   9
 CIV H51734RP
Acetal Disc
  1
 10
  CIV C51632RE
 Guide Rod
 4
 11
   CIV H51628M
  Spring
  1
   12
 CIV H20066M
Retaining Ring
  2
 13
  CIV H51693RP
 Tube, Teflon
 4
 14
   CIV H51810M1
  O-Ring, Viton
  1
   15
 CIV 9921
Spacer
  1
 16
  CIV 99231
 Seal, Buna-N U-Cup
 1
 17
   CIV H20572M1
  Gasket, Cork/Buna
  1
  1- Included in 1998RK
 Repair Kits
 CIV 1998RK
  Vapor vent repair kit
 CIV 9182
   Flange adaptor kit (1993 vent)
  Vapor Valves Petroleum Trailer Parts Catalog














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