GreenScreens
GreenScreens are low velocity, high surface area water pump intake screens for creeks, rivers, ponds and lakes.
GreenScreens
GreenScreens are low velocity, high surface area water pump intake screens for creeks, rivers, ponds and lakes.
GreenScreens are low velocity, high surface area water pump intake screens for creeks, rivers, ponds and lakes.
GreenScreens are low velocity, high surface area water pump intake screens for creeks, rivers, ponds and lakes.
Zinvent Industries LLC offers fish-friendly, water pump intake screens. These screens are specifically designed to meet various state and federal design regulations for pumping water in sensitive areas common throughout the Western US.
A bi-product of these GreenScreens is they typically have more surface area and are a finer mesh compared to standard commercial screens. This means they do a better job of filtering out general debris than your standard off-the-shelf screen.
GreenScreens are proudly made in Rapid City, South Dakota - U.S.A.
Whatever the application, Zinvent will work tirelessly to help you select the right screen and then deliver a high-quality, long lasting product for a fair price.
Zinvent is a proud partner of the US Forest Service. The Forest Service trusts our GreenScreens when protecting our national forests. Find out more about our work with the Forest Service.
Our GreenScreens meet the state and federal fish screening rules that are in place for water intake screens in certain waterways across the U.S. GreenScreens ensure the safety of passing juvenile fish while maintaining the pump's flow rate.
With lower water velocities at the screen face, less debris (grasses, sands, silts) will pass through your system and often get caught in nozzle tips or sprinkler heads.
The typical water intake screen attached to a pump (pictured to the right) has very little screen area to spread out the water velocity entering the screen. These water velocities easily exceed the state and federal requirements for fish screening in certain waterways. Basically, when a juvenile salmon gets close to the screen, it cant swim fast enough to escape the suction forces. However the water velocity at the screen face on Zinvent's GreenScreens is slower than what the minnow can swim, allowing the minnow to escape without reducing the overall flow into the pump. On average, a user needs ten times the screen area to get water velocities down so the suction forces dont pull in debris or juvenile fish compared to the typical intake screen.
The typical pump screen is prone to debris blockage as it usually rests directly on the streambed.
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