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SD4 Series - Double Seal Valves
SD4 valves are (double seal) safe flow valves designed for safe media separation applications in the food, beverage, dairy, pharmaceutical and chemical industries. It is available as a shut-off, change-over and tank bottom valve.Â
Product Specifications
³§¾±³ú±ð²õ:ÌýÌý1" - 4" / DN25 - DN100 Product Wetted Parts: AISI 316L / 1.4404 Non-Product Wetted Parts: AISI 304 / 1.4301 Seal Materials:Â
- Standard EPDM
- Optional:Â HNBR, FPM
Min. Control Air Pressure:Â 87 PSI (6 bar) Max. Control Air Pressure:Â 116 PSI (8 bar)
Valve configurations*:
Standard shut-off:Â DELTA SD4
Aseptic diaphragm valve:Â DELTA SDMS4
Change-over valve:Â DELTA SDU4
Tank outlet:Â DELTA SDT4
*Combinations of the configurations listed are also available, e.g. aseptic tank outlet version (DELTA SDTMS4) and aseptic change-over valves (DELTA SDMSU4).
Pressure Ratings:
Operating Pressure:Â Maximum line pressure: 145 psi (10 bar)
Temperature Ratings:
Operating temperature: Maximum  275ºF (135°C), Short time 284ºF (140ºC) - no steam