Fire Fighting & Safety Equipment Supplier - Butterfly Valves and its characters
Fire Fighting Safety Equipment Supplier There are many types of butterfly valves, including quick cut-off and continuous adjustment, Pneumatic butterfly valves , electric butterfly valves are mainly used for liquid and gas low pressure large diameter pipelines. It is suitable for occasions where the pressure loss is not high, flow adjustment is required, and the opening and closing requirements are fast; usually the temperature is below 300 ℃ and the pressure is below 40 kg (butterfly valves generally use low pressure, like domestic ones. It is rare to achieve CL600). The medium is generally used for water and gas, and the medium is not demanding. Granular medium can also be used. As a sealed butterfly valve , it brought rapid development after the emergence of synthetic rubber, so it is a new type of shut-off valve. Butterfly valves were mainly used for low-pressure valves, and the valve seat was made of synthetic rubber. By the 1990s, due to increased exchanges with foreign coun