DUCTILE IRON BUTTERFLY VALVE DN300 China

Product Description:

Product Description 
AL Series Ventilation butterfly valve manufacturers using steel plate welded，With the structure of the short size, light weight, easy to install。Driving torque of the valve small, sluicegate flexible, easy to operate。Body set up the oil seal ring, sealing no visible gap between the vice, a small leakage rate。Between butterfly valve plate and the expansion of space, and can be effective in preventing heat up due to shrinkage caused by the phenomenon of death card。The valve can be equipped with a variety of drive devices such as manual installation, the worm gear, pneumatic devices, electrical devices。Ventilation butterfly valve is widely used in metallurgical, division of, electricity, building materials, mining and other industrial pipeline gas to the medium control or regulation of gas.

Ventilation butterfly valve ALD941W the main form of electric connection size
Unit：mm