Butterfly valve is closed a disc, around the axis of rotation to achive a valve open and close, in the tube on the main cuttring and throttling. Opening and closing is a disc-shiped buttefly plate, the body is around its own axis rotation turn, so as to achieve the aim of opening and closing or adjust. Buttefly valve fully open to the barrier is usually less than 90c, butterfly valve and the adjusment rod itself-locking ability, for the sake of the butterfly plate positioning, to add worm gear reducer on the valve stem, the use of worm gear reducer, can not only make the butterfly plate with self-locking ability. Make the butterfly plate to stop at any position, can also improve the operating performance of the valve.
Model of products:
D371f-16c
D: valve code: d butterfly valve.
3: driver code: handle-drive, two screw-link transmission, 3 worm transmission, 6 pneumatic, 9 electric.
7: link forn code: 4 flange, 7pairs of folders.
1. Structure of the code: 0 the center line, a vertical plate, two pairs of eccentric, 3 triple eccentric.
F:sealing material: x-nbr, xe-epdm, , xsi slicone rubber, xt fluorine rubber, xt special rubber, f ptfe
16: nominal pressure: pn0.6-16mpa.
C: body material: ht200 cast iron, c carbon steel, q-iron.
