High pressure, zero-leakage pump does not place dynamic seals or bearings in contact with process fluid. FromAmerican Lewa Inc., each pump has two PTFE diaphragms that are hydraulically balanced to operate as a backup for each other. Pump sizes range from 25 to 47,500 gal/hr against pressures from 250 to 17,000 psig with a flow adjustment range of 100:1.

March 2001, RS# 227