1850/1860 SERIES 2 Way Electrical / Pneumatic Operated Lined / Unlined Weir / Straight Pattern Diaphragm Valve
The Diaphragm Type Control Valve is recommended for applications involving slurries, suspended solids, viscous or corrosive substances and other hard to handle mediums or where the tight closure is a prime factor. While primarily designed for on-off service, it will provide a proportional control action when furnished with a range spring or a Positioner. Diaphragm valve is a simple pinch type valve and of low pressure type because larger area of the diaphragm is exposed to the line pressure. Diaphragm Valves are known for their corrosion and abrasion resistance, offering features of leak tightness and low cost maintenance in severe service applications. The valve based on simple operating principles, are now widely used by process engineers due to the availability of increased range of diaphragms and body lining materials. Diaphragm valves are mainly used in water treatment plants, fertilizer & petrochemicals industries, chemical industries, refineries, thermal power stations, and other process industries. Equally suited to ON and OFF, or flow control applications, a diaphragm valve will handle positive pressures or high vacuum. Due to the wide range of material options it will handle almost all applications within its temperature and pressure ranges (175Â° C max. and 10 bar max) and as such is used in almost every industry on both corrosive and abrasive applications. All working parts are isolated from the line media which enhances its reliability. Maintenance is a simple task with the body remaining in the pipe, the valve thus being field serviceable. It has linear flow characteristics which makes it well suited to throttling or modulating duties. ON / OFF and control automation is possible with the use of modern compact actuators and accessories.