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Sanitary Diaphragm Valve SS316 EPDM+PTFE membrane

Sanitary Diaphragm Valves are used widely in Pharmaceutical, Nutritional, Biotech and some high-purity applications

Sanitary Diaphragm Valve SS316 EPDM+PTFE membrane, Plastic Handwheel or stainless steel wheel.The sanitary design allows precise control of the fluid flow rate with low turbulence and minimal back pressure.

Technical Parameters
Steel material Product wetted steel parts AISI 316L


Provided with material inspection report
Other steel parts AISI 304
Seal material Standard EPDM+PTFE All seal materials comply with FDA 21CFR117.2600
Options  EPDM/Silionce
Pressure Working pressure ≤145psi (10bar)
Temperature Working temperature -22 ~ 302°F (-30 ~ 150°C)
Surface treatment Inside Ra 16-32μin (0.4-0.8μm), Ra 25 (0.5μm) is the default.
Outside Ra 32μin (0.8μm), Sand Blast or other upon request.
Connection tri-clamp(standard),also can be butt weld,female,male,flanged


In a hygienic clean piping system, diaphragm valves should meet the following standard installation angle for no residue. When installing the valve on long pipeline, we suggest declining the valve by 2% so as to ensure the completely self-emptying in the system.

diaphragm valve installation

diaphragm valve drawing

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