Diaphragm valves, ,manually or pneumatically operated, are specially designed to use on hygienic and aseptic processes in the pharmaceutical industries, The valves is excellent for flow control as well as for on/off duties. Diaphragm valves are widely applied to CIP/SIP.
Operating principles
The diaphragm provides the body seal as well as the seat seal.There are no paths to the outside environment and as such the valve is closed a pressure pad which supports the diaphragm flexes and is forced down onto the seat area in the centre of the body thus closing off the flow path through the body.The inter-relationship of body to the pressure plate prevents over compression the diaphagm.The valve can be actuated either manually or pheumatically and controlled by control tops and solenoid valves.
Technical parameters
Max. pressure: 10bar (145psi)
Working temperature: -10℃ to +120℃
Parts in contact with the handling material: SS316L,
Other stainless steel parts: SS304
Size: 1/4”-2 1/2”
Connection type: weld, clamp, thread, flange
Body type: Inline, T type, U type
Driving mode: manual or pneumatic
Diaphragm material: EPDM, Silicone, EPDM +PTFE (double diaphragm)
Internal surface finish: Ra ≤0.5μm
External surface finish: Satin/bright.