Solenoid valve  1. technical parameters  Options of size: DN 10, DN 15, DN 20, DN 25 (optional)  For gas:natural gas;liquefied petroleum gas;artificial gas  and other non-corrosive gases  Drive voltage:DC9V~DC12V(Pulse)  Valve Material:Brass Alloy  Drive current:<1.5A(Pluse)  Sealing Material:NBR rubber  Off valve time:less than 1 second  Working environment temperature:- 10C~+ 60C  The way Off valve:DC pulse drive/Manual  The way Open valve:Manual Reset