The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.

型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。

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Good extreme pressure, abrasion resistance, reduce the tool wear, extending the service life of cutter.

良好的极压、抗磨损性能，减少刀具磨损，延长刀具寿命。

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The invention provides a sinter oil-containing bearing that inhibits self abrasion and shaft abrasion even under the high surface pressure and manufacturing method thereof.

本发明提供一种，即使在高面压条件下，仍可以抑制轴承自身的磨损以及抑制轴磨损的烧结含油轴承及其制造方法。

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