Marine Cast Steel/Stainless Steel Blind Valve: 

Marine Blind Valve is mainly consisted of body,disc,disc seal ring,disc locknut,bonnet,bonnet gasket ect.The disc is used for cutting off or dredging the pipeline.The suitable medium can be water,oil,gas and the suitable temperature can be-29°C-150°C.The main property is simple structure and reliable performance,this valves is suitable to install in the narrow space just like ship.

Main Specification: 

1.Size: 2"~12" (DN50~DN300) 

2. Working Pressure:W. P.: PN10/16/25 10K/16K/20K,CLASS150 

3. Working Temperature: W. T.:-29°C ~200°C (-20°F~392°F) 

4.Design Standard: GB, DIN, ANSI

 Working Principle: 

The turning direction for the screw thread on the two discs are on the contrary,the distance between the two disc will be reduced or increased when turning the disc locknut and the disc seal will be nearer or farer to the body seal.Full port design to reduce the flow resistance.The seal gasket and bonnet seal gasket is PTFE with good corrosion

Main Parts & Material: