MARATHON马拉松气动隔膜泵M30B3P1PPAS000

性能参数：
尺寸：3”
接液材料：聚丙烯
非接液材料：聚丙烯
隔膜材料：山道
流量：1060LPM
每冲程排量：3.78L
含固粒径：19mm
扬程：6.9BAR

工作原理：
1.气动双隔膜 (AODD) 泵使用压缩空气、氮气或天然气作为动力。
2.主方向（空气）控制阀 将压缩空气分配到气室，将均匀压力作用于隔膜内表面。同时，将从对侧隔膜后面排出的空气通过气阀总成导出到排气端口。内室压力超过液体室压力时，连接隔膜的连杆移动，使得一侧发生排出，同时另外一侧发生吸入。排出和灌注液体的方向由止回阀（球或瓣片）的方向控制。泵的启动由吸入行程产生。吸入行程增加了室体积，同时降低了室压力。从而形成通过大气压将液体吸入管道，并通过吸入端止回阀进入液体室的压力差。
3.吸入（端）行程也启动了泵的往复运动（移动、行程或循环）。吸入隔膜的运动通过其行程机械推动。隔膜的内板与致动器柱塞接触，对齐后移动导向信号阀。启动后，导向阀将压力信号发送到主方向气阀的对侧端，将压缩空气重新导向到对侧内室。

故障排除指南：
泵循环运转迟缓失速、达不到流量：
1.过度润滑：将润滑器设定到可能的低设置或将其拆除。单元是按无润滑运行设计的。
2.结冰：拆下消音器过滤网，除冰然后重新安装。安装点式空气干燥器。
3.歧管阻塞：清理歧管以达到正确的气流。
4.死区（系统压力达到或超过气源压力）：提高泵的进气气压。泵是按零流量情况下1：1的压力比进行设计的。（不适用于高压2：1单元）
5.吸入端出现气蚀：检查吸入（将泵移近产品）。
6.空气不足（管道尺寸、PSl、CFM）：检查气体管道尺寸、长度、压缩机容量。
7.吸入扬程过高：对于超过20英尺液体的吸入扬程，大多情况下，用液体加注液室即可启动泵。
8.供气压力或流量超过了系统压头：减少泵的进气口压力和流量。泵快速循环会使流体气蚀。
9.吸入管尺寸太小：达到或超过泵连接的尺寸。
10.空气管路受限或尺寸太小：安装更大的空气管路和接头。
11.吸入端空气泄漏或产品中进入空气：目视检所有吸入端垫片和管道接头。
12.吸入管道堵塞：去除或冲洗堵塞物。检查并清理所有吸入滤网或过滤器。
13.排气消音器中有泵送液体：拆解泵室，检查隔膜是否破裂或隔膜板总成是否松动。
14.止回阀堵塞：拆解泵的接液端并手工去除止回阀套中的阻塞物。
15.检查球阀和或座是否磨损或需要调节：检查球阀和座是否磨损，设置是否正确。必要时更换。
16.泵室中夹带了空气或有蒸气：通过泵室内的通风塞排空泵室。排空泵室空气可能有危险。

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