2350 Industrial Road, Sapulpa, OK 74066 • Main: 918-445-1141 • sales@weamco.com Bulletin MPD-112 Toll Free: 800-331-3790 • Fax: 918-445-4617 • www.weamco.com 5-19 Page 7 of 8 Conventional Liquid Meter Provers Design and Construction VIII. Summary  Conventional displacement type pipe provers are one of the most commonly used and accepted method of meter proving. Care of details in design construction, and calibration are essential to the proper functioning of a complete measurement system. IX.  Please use our Prover Data Sheet (Bulletin PDS-118) for your Inquiry or purchase order. This will allow us to propose a more detailed offering for your application.