SCV-30A66C-20,SCV-30A66C-22,SCV-30A66C-20-DC12V,SCV-30A66C-20-DC24V,零泄漏电动止回阀
SCV-30A66C-20-AC110V,SCV-30A66C-20-AC220V,SCV-30A66C-20-AC380V,
SCV-30A66C-22-DC12V,SCV-30A66C-22-DC24V,SCV-30A66C-22-AC24V,
SCV-30A66C-22-AC110V,SCV-30A66C-22-AC220V,SCV-30A66C-22-AC380V,SCV-30A66C-20-AC24V,