Blackhall Engineering - industrial valves

Designs and manufactures special purpose valves. Models include a flow control valve for the control of fluids in the water supply, power and petrochemical industries; a four-way switch valve designed to replace ball and butterfly valves; an automatic recirculation valve to protect pumps from back pressure and over-heating during start-up and shut-down of large centrifugal pump systems; and a spring shut gate valve for road tankers.