Four-side sealing flush bottom wall mounted penstock
Square or rectangular port sliding wall penstocks sealed on all 4 sides. Used for on-off or control applications in wells, tanks, pipe outlets, etc. Carbon or stainless steel fabricated construction, with tight sealing by means of elastomer seals.
Available in a wide range of dimensions and for many different pressure heads.
Handwheel, Pneumatic, Electric or Hydraulic, with a wide variety of actuator extensions available.