Manufactured in stainless steel to ensure a long life in arduous applications, our range of manual and actuated flow control options include blade mounted seals for easier maintenance.

Our solutions allow flow to treatment to be regulated with the remaining effluent directed to storm.  Choose between manual control (via orifice plate) or automated (via flume and flow control penstock).

Haigh penstocks and flap valves
Haigh penstocks and flap valves for wastewater equipment