Mandiwi VFS Manual Type Butterfly Valve DN300 Ideal for Powdery and Granular Material
Mandiwi VFS butterfly valves consist of two high-pressure aluminum alloy die-cast semi-bodies, a cast iron or stainless steel swivel disc, and a pre-stressed elastomer seal; with the solenoid valve and cylinder connected to the pneumatic conveying pipe, are fitted beneath hoppers, bins, silos, screw or other type conveyors.
The durability test of opening and closing is more than 100,000 times.
Plate
Disc in cast iron, or stainless steel. Adopt frame structure, high strength, good toughness, large flow area, small flow resistance
Seal
Soft sealing material, reliable sealing performance.
Valve body
High-pressure aluminum alloy die-cast bodies
Valve Stem
High Strength stem provides maximum strength for high torque applications.



Features:
1. Small and light , and easy installation and maintenance. It can be mounted wherever needed.
2. Compact structure, 90 degree fast switch.
3. Minimized operating torque, energy saving.
4. Flow curve tending to straight line. Excellent regulation performance.
5. Long service life Standing the test of tens of thousands opening/closing operations.
6. Bubbles-tight sealing with no leakage under the pressure test.
Wide selection of materials, applicable for various medium.




‘Focus, Simplicity, Efficiency and Reliability ’ are the design concepts that the MDW brand has always adhered to since its establishment.








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