الوصف

★ Centerline butterfly valve with double flanges is designed according to the requirements of large-scale pipe net,
and it belongs to butterfly valve of pipe net
★ The valve body can endure high pipe pressure. And it is safer.
★ The whole valve seat is vulcanized on the valve body. This structure is uneasily distorted with the high ability of
drawing resistance and avulsion resistance.
★ The stem of butterfly valve with pins (DN*******0) is designed to one-piece with the features of counter
bending and simple reliable structure.
★ The butterfly valve with pins(DN*******0) adopts two-piece stems that are connected by screw connecting rod
clevel, which can efficiently control the displacement aroused by the disc weight. Besides that there is a thrust bearing
in the bottom of the stem. The DN*****0 series of butterfly without pins adopts the compressed connection so that the
structure is simple and compact and the disc can center automatically.