是以球状件作为启闭件的阀门。
The ball valve is opens by the spherical achievement shuts a valve.
启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。
Headstock piece on media flows and forces open or closed to prevent backflow valve media called a non-return valve.
的启闭件呈锥形，并绕垂直于管道中心线的轴线旋转，完成阀门的启闭动作。
Xuan Sefa a cone-shaped pieces of the hoist and around the center line perpendicular to the axis of rotation pipeline, completed the hoist valve action.
球阀是带圆形孔的球体作启闭件， 球阀球体随阀杆转动， 针阀以实现启闭动作。
The valve's disc is ball with hole and driven by stem to open and close.
蝶阀是用圆形蝶板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门。
Diefa is used to open and close a circular Tip plates and then Fagan moves to open, and closed a valve to regulate fluid passages.
球阀的启闭件是一个有孔的球体，绕垂直于通道的轴线旋转，从而达到启闭通道的目的。
The headstock piece ball valve is a spherical hole, around the axis perpendicular to the channel rotation, so as to achieve the purpose of crossing gate.
球阀原理，球阀是用带有圆形通道的球体作启闭件，球体随阀杆转动实现启闭动作的阀门。
Ball is a sphere with a circular channel for gate parts, ball rotation with the stem of the valve action to achieve headstock.
本实用新型涉及一种鞋，它在鞋体后部(或后侧部)上至少开有两条开缝，且各开缝上设有启闭件。
The utility model relates to shoes. The rear part (or the rear side part) of a shoe body is provided with at least two slots. Besides, each slot is provided with an opening and closing member.
本产品适用于全开全闭的各类管道及设备上的启闭件，由阀杆带动，沿阀座轴线作升降运动的阀门。
It is suited to control media by being full opened or closed in pipelines and devices. Its disc is driven by stem, which lift along the seat axis.
进口蝶阀又叫翻板阀，是用圆形蝶板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门。
Also known as butterfly flap valve imports, is to open and close with a round disc with the stem pieces and turn to open, close and adjust the fluid channel of a valve.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门，因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
铰链是橱柜柜体与门板接合并反复启闭的必备五金件之一。
Hinge cupboard and door panel is connected with repeated opening and closing one of the necessary hardware.
闸阀的主要启闭零件是阀瓣和阀座。
按钮式的起动部分，只需轻按按扭，零件作极小的位移、即可快速完成全部启闭动作。
A button type actuating part only needs lightly press the button and the parts do a minimal displacement, and then the entire start-stop action can be finished fast.
其包括顶罩、连接件、外罩、底座通风道、弹性支座总成、启闭拉杆总成等。
The utility model comprises a top dust hood, a connecting piece, an external cover, a base ventilation channel, an elastic pedestal assembly and an open-close pull rod assembly, etc.
主要由框架、闸板、丝杆、螺母等零件构成，用手转动手轮使丝杆带着丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的。
It is mainly made up of frame, gate board, screw pole, nut etc. Rotate the handwheel by hand, then the screw pole drives the nut gate board move in horizontal to fro to open close the valve.
主要由框架、闸板、丝杆、螺母等零件构成，用手转动手轮使丝杆带着丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的。
It is mainly made up of frame, gate board, screw pole, nut etc. Rotate the handwheel by hand, then the screw pole drives the nut gate board move in horizontal to fro to open close the valve.
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