Volumetric Provers

Proving is a critical step when you’re transferring product between entities. Westmor volumetric provers help you calibrate meters and support accurate measurement across fuel handling equipment, from bulk plants to aviation refueling and more!

Provers for Your Application

Westmor® volumetric provers are built to calibrate metering equipment wherever product is moving, trucks, terminals, bulk plants, refineries, and process plants, c-stores with petroleum equipment, and aviation refueling operations. When custody transfer is on the line, a dependable proving process helps protect accuracy, documentation, and day-to-day throughput.

Standard Features

  • Built to NIST 105.3 guidelines
  • Type 304 stainless steel prover tank construction
  • 10-inch hinged cover with latch and pressure/vacuum vent
  • Adjustable scale assembly (calibrated in gallons and inches)
  • Two spirit levels for accurate tank leveling
  • Thermowells with caps for temperature verification
  • 2-4 inch center gravity drain with isolation valve
  • Access ladder with top platform (over 250 USG)

Custom Options

Don't carry proving on your own

See Prover Options! 

From initial design through service after the sale, our process keeps your terminal operational.

  • Discuss Your Needs

    Understand your operation, your goals and your challenges.

  • Design Your Build

    Work with our experts to design a solution to fit your operation and budget.

  • Build & Test

    We test our equipment beforehand to confirm it’s operating correctly and ready for service when it arrives.

  • Service Beyond the Sale

    Protect your equipment's uptime with technical support, parts and our commitment to solve every problem.

Contact Our Team

Connect with one of our experts in your region.

tony-clermont

Tony Clermont

(612) 718-0103

We're Ready When You Are!

Talk to our team about your needs!