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 2 of 8 IV. Design of Meter Provers A. Parameters Required for Prover Design 1. Service a. Products b. Pressure and temperature c. Gravity d. Viscosity e. Maximum and minimum flow rate 2. Meter(s) to be proved a.  Minimum pulses per unit volume, or “K” factor (e.g.: 1000 pulses per BBL) 3. Design specifications, codes and standards a.  ASME B31.4 pipeline (mechanical design) b. ASME B31.3 refinery (mechanical design) c. Material specifications d. Electrical classification e. ASME pressure rating f. Space limitations g. Automation h. Prover configuration, (e.g.: stationary, portable, etc.) i.  API Chapter 4 Proving Systems, Section 2-Conventional Displacement Type Pipe Provers, is the industry standard for prover design, Section 9 Part 1 & 2, calibration and recommended practices. Conventional Liquid Meter Provers Design and Construction