Detailed Product Description Model2WB-152WB-202WB-252WB-352WB-402WB-50Orifice Size(mm)162525354050PortConnection (G-inch) ZG1/2 ZG3/4 ZG1ZG11/4 ZG11/2 ZG2Working MediumWater.weak acid & alkali Operating Pressure0-10kgf/cm2Medium TempNBR for-5-80 oCand EPDM,VITON for-5-150oCOperationdirect acting(diaphram)StandardvoltageDC24V,AC220V,AC110V.50/60HZ ,DC110V,DC12V,DC48VAC24V.AC380V