Aseptic diaphragm valves 985 / 385 / 587 DN 15 - 80 (100)
Type 985 with handwheel
Type 385 / 587 with pneumatic actuator
Construction
DiameterTYP 985 DN 15 - 100
TYP 385/587 DN 15 - 80
Bodyinvestment cast 1.4435, resp. 316 L DN 15 - 100
forged 1.4404, resp. F 316 L DN 15 - 50
Inner surfaceupto < 0,2 mm
Working pressureup to 10bar
Working temperaturemax. 150 °C
Connectionwelded in standard
DiaphragmEPDM - FDA, PTFE/EPDM - FDA, NBR
* DN 65 only in ISO
TYPE 985, DN 15 - 80 (100) w.handwheel
Position indicator in standard
Upper partPP glasfibre reinforced upto100 °C
IXEF upto 150 °C
HandwheelPP glasfibre reinforced,or IXEF upto DN 50
over DN 50 PA glasfibrereinforced
Working pressuremax. 10 bar
TYPE 385/587, DN 15 - 80 (100) w.pneu.act
Maintenance free diaphragm actuator
Upper partPP glasfibre reinforced upto100 °C
IXEF upto 150 °C
CoverPP glasfibre reinforced or IXEF
Working pressureupto DN 50 max 10 bar
over DN 50 max 6 bar
Airpressure/working pressure diagram for types 385 NC a 587 NO/DA
385 NC
587 NO/DA