女人18毛片a级毛片,少妇做爰免费理伦电影,国产熟女毛多水大高潮,女人天堂人禽交av在线观看黄,国产肥白大熟妇BBBB视频

Uses :

FZT Series electric three valves mainly for streaming material .

Main technical parameters Dimensions:

Electric two-way valve ( double plate ) the main parameters and dimensions

Installation size:

Installation and maintenance :

1, the product installation for the flange connections , joints should be sealed , no leak of material phenomena .
2 , feed preceded to load debugging , and disc pendulum should be flexible and freely without touching and unusual noise . Debugging should pay special attention to the correct position switch must be determined , when the valve plate in place off the Kai , the switch can be closed , then the right .
3 , the transmission part of the butterfly valve to give adequate lubrication , oil filling on a regular basis .
4 , is strictly prohibited large foreign bodies falling into the valve , so as not to block the gate , resulting in closure of lax .
5, periodic inspection and cleaning valves , electrical enclosure shall not accumulate dust, no water for washing motor and electrical components .