柔性盘簧始终使上、下阀门密封环处于受压状态，自动密封防漏。
Flexible disc springs automatically provide leak tightness by exerting pressure, which keeps the upper and lower valve sealing rings compressed at all times.
在副盘簧中，在内周部形成有多个狭缝，弹性变形中的平坦时发生载荷调整为所希望的值。
In the slave disc spring, a plurality of slits are formed in the inner peripheral part, and the load in a flat state produced when it is elastically deformed can be adjusted to a desired value.
盘簧与两个密封环的组合，可防止因加热或冷却产生的膨胀和收缩，由此确保阀门即使使用多年后仍运行可靠。
This combination of disc springs and dual valve seal rings protects against expansion and contraction due to heating and cooling. This ensures dependable operation, even after years of service.
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