Coplastix^® Flow Control products from Ashbrook Simon-Hartley are the performance leader in fluid control equipment for the world market.

Proven by decades of dependable performance in a wide variety of applications, Ashbrook Simon-Hartley Coplastix^® sluice gates, stop gates and logs, and flap valves offer significant benefits above and beyond similar cast iron and stainless steel products. 

Coplastix^® products carry an industry leading 10 year guarantee.