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Plastic Diaphragm Valves

Areas of application 

These valves are specifically suitable for highly-pure to heavily contaminated, liquid and gaseous inert and corrosive media. Just as classical control valves, diaphragm valves have good control properties, especially for media that are soiled or contain particles. The major areas of use are the semiconductor industry and microelectronics and a wide variety of industrial applications e.g. water, waste, treatment, chemical etc.

Operating pressure 

0 – 10 bar

Operating temperature 

-10 – 90°C

Nominal size 

DN 12- 100

Body materials 

PVC, ABS, PP, PVDF, PFA, PP-H duplex moulding, PP reinforced

Seal materials 

CSM (Hypalon), NBR (Perbunan), FPM (fluorine rubber), EPDM, EPDM/PTFE (laminated and loose, concave and convex)

Connection types 

Solvent cement spigots and weld spigots, union ends, flanges
The connection types are generally available with most different standards and norms, (DIN, imperial measurements etc.)


 Manually operated, pneumatically operated and motorized

Body configuration 

2/2 way body (2/2 way valve), T valve (3/2 way valve)