平行阀座闸阀由两个可互换弹簧负载阀瓣，一个全导向阀瓣托架和扣环销钉构成。
The parallel seat gate assembly consists of two interchangeable spring loaded discs, a fully guided disc carrier, and retaining pins.
提供了弹簧及液压系统的设计依据，从而可以更好的分配导向轮与胶轮的载荷，达到安全、可靠的目的。
The design basis of the springs and hydraulic system is proposed, which can better distribute the load of the rubber wheel and steering wheel, and attain the purpose of safety and reliability.
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.
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