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The trailers are equipped with (3) S/S 5-Gallon bottom drain VRP® provers each individually plumbed to (3) 110 -gallon transfer tanks. Service professionals are able to test 3 grades of gasoline for a total of 66 tests with the 5-gallon provers prior to returning to the fuel stations storage tank for dumping. Side vent provides additional protection from vapors. The trailer is available with optional on board pump-off system and hose reel.
Unit of Measure



N/A API Manual of Petroleum Measurement Standards Chapter 4 Measurement Canada NIST Handbook 105-3 OIML R-120

Added Features

  • Thermowells for temperature compensation in all provers
  • (2) 8 ft flexible discharge hoses with aluminum holders
  • Low Profile provides easy access to meters with short hoses
  • Side Access puts you closer to Gasoline Pumps

Easy Leveling

  • (3) VRP® Provers have an all Stainless Steel Ball Joints with a PTFE Glass Seal for durability and easily level each prover individually


  • Run 22 tests for Regular Gasoline plus
  • Run 22 tests for Unleaded Gasoline plus
  • Run 22 tests for Premium Gasoline or
  • Run 6 (50 Gallon) High Speed Diesel with optional 50 gallon prover

Seraphin® Quality Provers

  • (3) 5-Gallon VRP® S/S Provers .(Patent Pending)
  • Provers are built to conform with NIST Handbook 105-3 OIML R-120, Measurement Canada and API Manual of Petroleum Measurement Standards Chapter 4

Trailer Height
(from ground to the top of Prover)

N/A 85 in

Prover Capacity

N/A 50 gal

Discharge Hose Length

N/A 8 ft

Holder Material

N/A Aluminum

Tank Capacity

N/A 110 gal

Ball Joint Material

N/A Stainless Steel

Options Include

N/A Add a Cover for Added Protection