The hydraulically actuated diaphragm pumps provide leak-free metering of corrosive ... The units' check valves are removable for inspection or cleaning without disconnecting piping.

The overflow valve returns fuel to the gear pump inlet, provides lubrication for the pump, and keeps pressure in front of the metering unit (D) constant. The metering unit, also known as the MPROP ...

In the '90s, Ford and General Motors required injection ... the throttle linkage opens the metering valve in the injection pump, allowing more fuel to be delivered to the pumping chamber.

The solenoid-actuated metering pumps are ideal for use in a variety of HVAC installations such as cooling towers and heat exchangers, said the company. Uses include the injection of biocides to ...