The raw materiad of BD series butterfly valve is steel and aluminum. The aluminum butterfly valve employs O-shaped ring sealing and the steel butterfly valve employs mechanic sealing structure design.
The locking cover at the series butterfly valve has three structural modes of different strong points respectively. Refer to the detailed structural modes.
Temperature of operating temperature is -30℃ ~ 40℃.
Operating temperature is -30℃ ~ 120℃.
Sealing fanction: 0.5Mpa.30S.Soft seal,there is no leakage hard seal, the leakage amount is in the fixed range
Find the best quality dn 50 wafer type cast iron radiator valve for power distribution transformer in stock here with our professional China manufacturers and suppliers. All the products are made under strict quality control and management system. And the customized is also offered at competitive price.