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.
该阀不受负载变化的影响，分配流量恒定的液压油。
The effect of load changes, the distribution of the constant flow of the hydraulic oil.
在伺服阀静态特性方面，完成了伺服阀的压力增益特性、空载流量特性、负载流量特性及泄漏特性的测试。
In static state characteristic test, pressure gain characteristic, runoff characteristic with load, runoff characteristic without load and leakage characteristic are completed.
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