A bidirectional prover has a 4-way valve that alternates the sphere to travel in both directions.
A bidirect prover can be designed in a variety of shapes. The prover shall consist of two launch chambers, pre-run and the measuring section. The bidirect prover is designed with the 5 foot per second as recommended by API.
Meter Engineers will design a bidirectional prover to suit your specifications. Please submit our Online Prover Information Form to provide us the information we need to give you a quote. Or, you may use our Printable Prover Information Form.