1.Diaphragm: import. 2.Coil: DC 24V,import. 3.Pilot TIG, stainless steel. 4.Dust collector valve for bagfilter use. Description oCWork voltageAC:110/220VDC:24VMembrane life1,500,000 cyclesG1'' Advantages 1. Import Diaphragm: NBR or Butyl rubber with reinforced fiber enhanced diaphragm, life 1500000 times.2. Impot Coil: Temperature 200--220 °c, Super H grade. Voltage: AC 220V/110V, DC 24 V.3. ...