This series of valves is suitable for working medium for water、non-corrosive liquid、air、sa
This valve is suitable the pipeline of water，vapor，oil etc，non-corrosive medium，for openin
This valve is suitable for temperature ≤150℃ water，steam，oil and nitric acid corrosive
This valve is suitable for nominal pressure ≤1.6/2.5Mpa of water，steam，oil and nitric a
This valve is mainly used to connect or cut off the medium in the pipeline，generally do no
This valve is suitable for water，steam，oil and nitric acid waterproof media pipeline，for o
This valve applies to the water，steam or oil pipeline which is noncorrosive medium and the
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