Notes: 1. Type of steam turbine: B - Backpressure turbine, C - Extraction condensation turbine.

说明: 1, 汽轮机型式: B - 背压式汽轮机, C - 抽汽冷凝式汽轮机.

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Do not install where backpressure can occur.

不要安装在可能发生反压力的地方.

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Check module construction shall include built - in limIt'stops to prevent disc wear due to backpressure.

止回阀模块结构应该包括内 置 止动限止器,防止由于反压力造成阀瓣磨损.

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Series 757, 757 N be installed under continuous pressure and be subjected to backpressure and back siphonage.

系列757, 757N可以安装在持续压力应用中,并且可能与反压力和反虹吸相关.

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This series is normally used in health hazard applications to protect against back siphonage and backpressure.

这个系列通常用在健康危害应用场合保护不受反虹吸和反压力的损坏.

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With a backpressure condition created , ball check seats firmly against ball check seat.

当出现反压力时, 球型止回阀牢牢地密封在球型止回阀阀座上.

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The 757 DCDA, 757 NDCDA be installed under continuous pressure and be subjected to backpressure and back siphonage.

系列757DCDA, 757NDCDA可以安装在持续压力应用中,并且可能与反压力和反虹吸相关.

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Eliminate source of excessive backpressure or water hammer in the system downstream of the device.

4消除装置下游系统中产生过大反压力或水锤的原因.

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