The flexing action of the sleeve breaks up any sediment or build-up in the valve, which makes the Type a a reliable low-maintenance valve.

套管的弹性运动可以碎裂淤积在阀门内的任何沉淀物，这使得A型夹管阀成为一款可靠的低维护的阀门。

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The flexing action of the sleeve not only unplugs the valve, but also breaks up the lime.

套管的弹性作用不仅不会堵塞阀门，还能够碎裂固化的石灰。

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