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★ Export more than 60 countries, widely used in power stations, thermal power station, water works, water works, sewage disposal plants, iron and steel companies and other industries.
Application:
This valve is suitable to be used on industrial pipe for the change - over of the direction of the fluid in four ways. The grassed and muds can be flushed away while the pump is operating. The valve is used for sealing, control the flow and finish the action of the change of the flow direction so one of this valve can be instead of four valves of general butterfly valves.
Features:
This butterfly valve has four way, flow direction in the pipeline can be changed when disk turn back 90°. The muds can be flushed away while the pump is operating, that is opposed flush;
Due to the change- over of the direction of the flow is operated conveniently and the system can be flushed often when it is used for the condenser system of power plant. So this butterfly valve raise vacuum of system evidently and reduce times of stopping operation and limit load raising working efficiency. Because one valve can be instead of four general valves so the flow -resistance co-efficient of this butterfly valve is much smaller than the flow-resistance coefficient of 1/4 general valves. So this butterfly valve is energy economized products;
To use this butterfly valve can reduce the cost of repairing and maintenance and lump -sum investment of project and reduce labor strength of operators;
This valve use soft seal construction of rubber to metal. So seal performance is good;
The lower part of the butterfly valve is installed with cleaning valve. It can open at any time for remove silts and muds.
Schematic diagram:
Nominal diameter（mm）：DN200～DN3000
Nominal Pressure（Mpa）：0.1～2.5MPA
Suitable temperature：≤80℃
Suitable medium: water, sea water, sewage,etc.
Type of sealing : soft sealing
Type of control : manual, electric, pneumatic, hydraulic.
Material of main part: grey cast iron, ductile cast iron, alloy cast iron, carbon steel, stainless steel, alloy steel
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.
