4" High Performance Butterfly Valve, Wafer, Scotch Yoke, Double Acting

Valworx 569704 high performance stainless steel butterfly valve for control of air, oil and other media compatible with the materials of construction. Wafer style valve sandwich mounts between customer supplied ANSI /ASME Class 150 and other international standard flanges and gaskets. Double acting actuators use an air pressure signal (80-120 PSI) to open and close the valve.

The valve is direct mounted to the actuator using the international standard ISO5211 mounting pad.

High Performance Butterfly Valve Standard Features

316 stainless steel (CF8M) body

Double offset design greatly reduces seal wear.

17-4PH stainless steel, single piece shaft

RPTFE valve seats and stem seals

Heavy duty, single piece cast and machined disc with integral mounting sleeve

Spring-loaded seat cover for easier removal and replacement of valve seat

Integral ISO 5211 mounting pad eliminates additional mounting brackets

Pneumatic Actuator Standard Features

Extended cycle life (1 million cycles)

Scotch yoke design

Highly visible valve position indicator

Type IP66 & IP68 weatherproof

Anodized aluminum body with epoxy-polyester covers

Dry or lubricated air

Namur & ISO mounting

Options (see Acccessories tab)