1.Model No:SR-EM004 2.Form:Normally closed 3.voltage:12V,24V,110V,230V 4.DN(dia):0.9,1.2,1.5,2.5,3.0 5.Connection:ZG1/8" 1.Model No:SR-EM0042.Form:Normally closed3.DN: 0.9,1.2,1.5,2,2.5,34.Voltage:12V,24V,110V,230V5.Connection:ZG1/8”6).2/2 way valve N.C