Centrifugal pump generally prone to failure and treatment

1. Pump can not start or start the load The reasons and solutions are as follows: (1) The prime mover or power is not normal. Approach is to check the power and prime mover situation. (2) pump stuck. Approach is to use hand-drive coupling inspection, disintegration inspection, if necessary, to e

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Chemical market encounters two attacks

Under the strong support of increasing costs of energy, raw materials, labor, and logistics, domestic chemical product prices generally continued to rise in March, and prices of individual products rose rapidly. Compared with the previous period, the situation of tight supply and strong demand has

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May 15 Dalian Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (yuan/ton) Than yesterday last week General line Φ6.5mm Q235 Tong Steel 5920 0 110 680 High Line Φ6.5-10mm Q235 Tong Steel 6000 0 120 720 High Line Φ6 .5-10mm Q235 New Fushun Steel 6000 0 120 720 High Line Φ6.5-10mm Q235 West Steel

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