Penstocks

Twin leaf Penstock mounted on a headwall in Somerset Drop down Weir controlling the level of of marsh land for the RSPB, Rye Meads, Hertfordshire Wall Mounted HDPE/Stainless Steel Penstock


This type of Penstock is designed to control a maximum head of 5 metre from both directions (on-off seating) by means of a plate set in runners, which moves up and down. They are manufactured from HDPE (High Density Polyethylene) and 316 Stainless Steel and are BS7775 compliant.

Installation is easy whether its wall, pipe or flange mounted. They are also suitable for use in fresh, salt and waste water environments. Complete stainless steel Penstocks can also be manufactured to control higher water pressures to suit your application. Designs can be tailor made to suit the customer's requirements.

The maintenance for the Penstock is minimal due to the materials used. Other benefits are the ease of installation and reliability along with the low operating torques and light weight materials making the operation of the penstock easy, despite it being very robust.

Depending on size and application, most of the Penstocks are manufactured with a Polyacetal nut block, but on some applications a Phosphor Bronze spindle block maybe required. The Penstock seals using EPDM rubber seals in the door and frame. The Spindles can be rising or non-rising types.

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