"M"-type butterfly valve designs "M" shape on the sealing surfaces of both ends of disc, forming a double seal when sealed with the valve body, effectively solves the sealing surface wear and tear problems in the valve hoist process, with long service life, coupled with the valve using the upper and lower two-stage stem, single eccentric structure, increasing the valve flow area, water head loss and operating torque is smaller than the same specifications of ordinary butterfly valve.
Disc with a whole package of glue, without pollute the water, and protects the disc, especially for food and beverage industry. The connection of stem and disc adopts the inner threaded cylindrical pin, pin end is filled with liquid sealant, in the actual use, the demolition and maintenance is very convenient, the producting costs are also lower.
2010-08-18