Butterfly valves are recommended for the following operating conditions:
1 Require throttling and adjust control flow;
2 Mud medium and medium containing solid particles;
3 Where the valve structure length is required to be short;
4 requirements for fast opening and closing occasions;
5 Where the pressure difference is small.
In the double-position adjustment, the channel of the shrinkage, low noise, cavitation and gasification, a small amount of leakage to the atmosphere, and an abrasive medium, a butterfly valve can be selected.
In the case of special conditions, the throttling adjustment or the strict sealing, or the use of the butterfly valve under the conditions of severe wear and low temperature (deep cold), the special eccentric or double eccentric special butterfly valve of the special design metal sealing belt adjusting device is required. .
The soft sealing butterfly valve is suitable for two-way opening and closing and regulation of ventilation and dust removal pipelines, gas pipelines and waterways of metallurgy, light industry, electric power and petrochemical systems.
Metal-to-metal wire sealed double eccentric butterfly valve is suitable for heating, steam supply, water supply and gas, oil, acid and alkali pipelines, as a regulating and shut-off device.
Metal-to-metal surface sealing triple eccentric butterfly valve can be widely used in petroleum, chemical, metallurgy, electric power, food, medicine, water supply and drainage, gas transportation and other fields, in addition to being a large pressure swing adsorption gas separation control valve.