API Load Only Valve with Sight Glass

API Load Only Valve with Sight Glass

  • tank truck fittings load only valves baylast seals and sight glass
Part Number 5204L
Includes Sight glass
Material Aluminum
Seal Baylast™
Length 7"
Fuel Compatability Gasoline and diesel, up to E20 and B100 biofuels
Weight Lb 9.6000


  • Load only- permits terminal loading only.


  • Typically mounted to the piping below each tank compartment, using the built in 4" TTMA flange connection.


  • Manufactured to American Petroleum Institute standard API RP-1004, which allows for positive connection to drop adapters and rack couplers such as the Dixon Bayco 5300/5400 series rack coupler.


  • Unique fluid flow sight level
  • Any required maintenance is simplified, Dixon Bayco API Valves can be completely rebuilt without the need to remove the valve from the tanker
  • Nose ring is anodized hard coat aluminum, which in most applications will provide years of trouble free service. Nose ring can be rotated to provide a fresh connection service.


  • Aluminum body with anodized hard coat aluminum nose ring and stainless steel hardware
  • Nylon sight glass
  • Baylast™ seals

Safety notes

Repair Kits
Part # Description Includes Item # Qty
5204K2 complete rebuild kit: Baylast™ O-rings, bearings
5204KV2 complete rebuild kit: FKM poppet O-ring, Baylast™ O-rings, bearings
5204K3 anodized nose ring with Baylast™ gasket, screws and lock washers
5204K5 detachable handle assembly (for 5204C and 5204NGC)
5204K6 PTFE encapsulated seal kit, poppet O-ring, nose O-ring, shaft O-ring, and sight glass O-ring
5204K7 fixed handle assembly
5204K8 sight glass repair kit
5204K9 sight glass cover kit (to convert units with sight glass to non-sight glass)
5204K11 nose ring replacement 8 hex bolts and 8 washers kit
5204K12 sight glass replacement hardware, 6 hex bolts, 6 lock washers and 4 washers kit
5204K13 full body sight glass, seals and retainer kit for 5204SFI

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