Welded design. U-shaped frame, sill flush with channel invert. Plate with supporting ribs according to the given static conditions, replaceable contour seal, actuator assembled in the channel with spindle and spindle protective tube, roller bearing, all machined surfaces of stainless steel shot blasted, incl. fasteners made of stainless steel SS A4. The permissible pressure load of the standard penstock is 6 mWC on-seating and 3 mWC off-seating. Valves for higher loads on request.
Versions frame:
GW-4R_E = frame for grouting into an existing recess
GW-4RG_= frame for dowelling into a recess channel incl. fastening material
GW-4RA_S = frame pre-rounded for mounting onto a round channel wall
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