... pressure of 1.2MPa for 5min, no unbroken, deformation or outside leakageReliability0.01~0.02MPa,make and break for 10s ... ,s50Hz for 1min, no flashover or breakdown; Withstand 1800V,50Hz for 1s, no flashover or breakdown;Non-return functionYesFiltering functionBuilt-out ... and valve body360, 270, 180, 90Power supply connection wayLead or Inserting type,adopting 6.3 plug springPlace of origin: Wenzhou ...