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伯尔梅特 消防系统

型号: FP 436 400 系列

典型安装
FANCYIND 过滤器应急旁通 FANCYIND FANCYIND

Emergency Filter By-pass
过滤系统中，两种工况下需要为过滤器配备旁通：
In filtration systems there are two cases in witch
■ 过滤器阻塞
by-passing the filter is essential:
（可能导致滤料受到破坏）
■ Blocked filter
■ 紧急情况消防用水
(potentially causing element collapse)
■ Demand for Emergency Fire water
FP 436 型压差保持阀
FP 436 型阀门作为旁通阀时可对过量用水发挥补偿作
用。增加编号为“S”的功能时，可实现警示属性。
The Model FP 436, installed as a
by-pass, progressively compensates for excessive
demand.
Adding feature “S” incorporates alarm signaling
attribute.

FANCYIND 水泵过载及气蚀保护 FANCYIND
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Pump Overload & Cavitation Protection

,
r

Where suction pressure egimes vary the Model FP 436 is needed to limit pump flow by

吸水压力改变时，需要 FP 436 型阀门保持水泵压差，限制水泵流量，避免用水量过大导致水泵过载
sustaining pump differential pressure, and preventing pump overload and cavitation damage
和气蚀损害。

caused by excessive demand.
增加止回功能 “20” 可节省购买在线式止回阀的费用。
Adding check feature “20”, saves the cost of a line sized check valve.

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FP 436 型压差保持阀

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