如果没有损坏，则轻轻地关闭阀瓣。
可通过所匹配的阀座表面导引阀瓣。
这样可以防止阀瓣密封边缘的损坏。
适用于现场维修的最简单的阀瓣类型。
维修组件包括隔膜总成，阀瓣总成和垫圈。
Repair Kit consists of diaphragm assembly, disc assembly and gasket.
枢轴就位于阀瓣中心上，偏离阀体阀座平面。
The pivots are located just above the center of the disc, and offset from the plane of the body seat.
大部分平衡阀采用截止阀结合抛物线(插塞)阀瓣。
Most Balancing Valves are globe style and incorporate a parabolic (plug) shaped disc.
为了延长使用寿命，阀瓣可以涂上一层钨铬钴合金。
To extend the life of the valve flap can be coated with stellite.
翻转式阀瓣止回阀由圆柱形外壳及转动圆盘阀瓣构成。
Tilting disc Check Valves consist of a cylindrical housing, with a pivoted circular disc.
导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。
Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts.
阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。
Disc– machined seating surface is mated to seat ring for positive shutoff.
型号1710平衡阀为暗杆结构，配置抛物线（塞）形阀瓣。
The Fig. 1710 Balancing valve is a non-rising stem design incorporating a parabolic (plug) shaped disc.
并在理论上探讨将锥形阀瓣改为球形阀瓣，提高密封面的稳定性。
It also approach theoretically to change the conical valve gag into globe valve gag to raise the stability of the seal plate.
阀瓣支架可拆卸进行阀瓣更换，无需拆卸阀门，不需要特殊工具。
Disc holder removable for replacement of disc without dismantling the valve - no special tools required.
升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.
特殊的偏置阀瓣能够迅速从阀座上升起，以减少磨损，降低操作力矩。
Special off-set Disc lifts quickly from seat to reduce wear and reduce operating torque.
阀杆也应该在顶部配置方向指示器，用于当手柄拆卸下来时指示阀瓣的位置。
The shaft also shall have a directional indicator on top to indicate disc position when the handle is removed.
止回阀的撞击现象，是由于在流体倒流之前，阀门的阀瓣没有到达关闭位置造成的。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
硬化的阀座表面—阀瓣和阀体地阀座表面都经过表面硬化，最大限度延长使用寿命。
Hardened seating surfaces - both disc and body seating surfaces are hard faced for maximum service life.
在把盖子重新安装在齿轮执行机构上之前，确认阀瓣位于全开位置处30度的地方。
Before reassembling cover to gear operator, make sure disc is approximately 30 degrees away from full open position.
为了翻转阀座阀瓣，则要拧松阀瓣螺丝，从阀瓣固定器总成拆解阀瓣垫圈和阀瓣橡胶。
To reverse the seat disc, unscrew the disc screw and disassemble the disc washer and disc rubber from the disc holder assembly.
为了翻转阀座阀瓣，则要拧松阀瓣螺丝，从阀瓣固定器总成拆解阀瓣垫圈和阀瓣橡胶。
To reverse the seat disc, unscrew the disc screw and disassemble the disc washer and disc rubber from the disc holder assembly.
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