Optional Pump Controls are available for all Williams pumps to allow for automatic control of the injection rate
The Williams PCV-125-AL Pressure Control Valve provides regulated pressure to operate a variety of Williams pneumatic metering pumps. It features an economical pressure regulator capable of output pressures of 0-125 psi (0-862 Kpa). The Pressure Control Valve has a dual-scale Wika pressure gauge, as well as a built-in dryer to eliminate moisture in the air/gas supply. Maximum Inlet pressure is 250 psi (1724 Kpa).