
DN15–DN1800; PN10–PN320, Class150–Class1500; carbon steel, stainless steel, cast iron; flange, thread, welding; rotary, lifting, disk types.
DN15–DN1800; PN10–PN320, Class150–Class1500; carbon steel, stainless steel, cast iron; flange, thread, welding; rotary, lifting, disk types.
Automatic operation against media flow to prevent backflow, protects pumps and pipelines, reduces water hammer, no manual drive required.