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Volumetric Provers

When it comes to volumetric proving, precision matters and so does dependability. That’s why industry leaders trust our Uni-Flo™ UFP-112 Reduced Volume Unidirectional Ball Prover. Engineered to outperform traditional designs, the UFP-112 offers seamless, automated operation for both local and remote setups, ensuring consistent performance with minimal human intervention. Built to meet API Chapter 4, Section 2 standards, it delivers unmatched accuracy while pairing perfectly with today’s most advanced flow computers.

Find a Volumetric Prover

The right volumetric prover can play an important role in maintaining accurate measurement and reliable pipeline operations. Weamco offers proven solutions designed around the demands of modern flow measurement systems, with options that provide dependable performance, straightforward maintenance, and long-term durability. Whether your application calls for a compact unidirectional design or a larger-capacity bidirectional prover, our equipment is engineered to provide repeatable results in demanding operating environments.

Designed for reliability and ease of maintenance, the Uni-Flo UFP-112 features a differential pressure switch with automatic seal indication, adjustable to your operational needs with an optional time delay. The interchange is engineered for safe and easy access, simplifying sphere and seal maintenance and reducing downtime. Heavy-duty, high-quality components ensure long-lasting durability, while the low-pressure drop design and smaller footprint maximize system efficiency.

The reduced-volume design of the UFP-112 also makes it a practical option for installations where space and system efficiency are important considerations. Its streamlined configuration helps simplify installation while providing the dependable proving performance operators need. Automated features further reduce the amount of manual intervention required during routine proving operations, helping facilities maintain consistent measurement processes.

Operators will also appreciate the UFP-112’s low maintenance costs and its straightforward water-draw calibration process, making it one of the most cost-effective and user-friendly provers available today. Its design allows operators to focus on reliable meter verification without adding unnecessary complexity to their systems. Whether you're upgrading your proving equipment or investing in new infrastructure, the Uni-Flo UFP-112 delivers performance you can trust.

Volumetric Prover Options for Different Applications

Every pipeline and measurement system has its own operational requirements. Weamco’s volumetric prover options give customers the flexibility to select equipment that aligns with their specific application. The UFP-112 provides a reduced-volume, unidirectional solution for systems where a compact and efficient prover is preferred. For applications requiring displacement in both directions, the BDP-112 Bidirectional Displacement Pipe Prover provides an alternative designed for large-volume proving and reliable meter verification.

Both options reflect Weamco’s focus on practical engineering, durable construction, and dependable field performance. From new installations to equipment upgrades, Weamco can help you identify a prover configuration suited to your system and operating requirements.

Why Choose Weamco?

With decades of proven field performance, Weamco is a trusted name in pipeline equipment. Whether you need unidirectional or bidirectional provers, or critical parts like oil and gas strainers, we deliver reliable, American-made solutions designed to meet the toughest industry standards.

If your operations require a bidirectional solution, our BDP-112 Bidirectional Displacement Pipe Prover is the field-proven choice for meter verification. Offering large volume capacity, low maintenance needs, and easy operation, the BDP-112 remains a gold standard across the industry.

Weamco’s experience in pipeline equipment extends beyond individual components. Our products are designed with the realities of field operation in mind, emphasizing accessibility, durability, and dependable performance. That practical approach helps customers select equipment capable of supporting accurate measurement and consistent operation over the long term.

Hundreds of Weamco provers are in service today, and our commitment to quality ensures you’ll have dependable equipment for years to come.

Ready to prove your meters with unmatched accuracy?

Contact Weamco today to learn more about the UFP-112 Uni-Flo Prover or to request a custom quote. Whether you are evaluating a reduced-volume unidirectional prover or a bidirectional displacement pipe prover, Weamco can help you find a volumetric proving solution built around your application.

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