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
This valve applies to the water，stem or oil pipeline which is noncorrosive medium and the
This valve is suitable all kinds of PH indicator of chlorhydric acid，sulphuric acid，oxygen
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