The Valtek Valdisk™ is a heavy-duty, double offset butterfly valve used whenever high capacity is needed with the lowest possible pressure loss.

Features

• Jam-lever Toggle™ seating assures low breakout torque by utilizing the pressure drop across the valve to aid the seating process. Since the pressure drop supplies much of the seating force, the need for strong actuator seating force, and therefore breakout torque, is reduced.

• Combined with Valdisk's™ high-thrust cylinder actuator and eccentric-cammed disc, it is possible to achieve especially high performance throttling, even in large pressure drops close to the seat.

• A double offset has been designed into the disc to lift it out of the seat immediately upon actuation. This avoids wear on the seat and disc, while reducing leakage and parts replacement. The elimination of friction also improves throttling.

Specification:

Type: Quarter-turn Rotary Valve

Size Range: 2”to 30”

Pressure Rating: Class 150 to 2500

Body Materials: Carbon steel; Stainless steel; Most alloys

Temp. Range: -29℃ to 649℃；-20℉ to 1200℉

Applications:

Fire Protection, Gas Industry Service , Condenser Cooling, Gas Scrubbing, Utility, Industrial Plant Services, Mine Dewatering, Pipeline, River Flows, Cooling Water