July 30 Tianjin Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price Today (yuan/ton) Yesterday Price (yuan/ton) Change (yuan/ton) High-line φ6.5-10mm Q235 Shougang 5600-5610 5600-5610 No change φ6.5 -10mm Q235 Tangshan Steel 5600-5610 5600-5610 High Line φ6.5-10mm Q235 Xuanhua 5600-5610 560

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Non-leak ring diaphragm pump design principles

In view of the pump product seal leakage and reciprocating diaphragm pump structure is complex, bulky, difficult to debug and other issues, we developed a successful Q = 2m3 / h, 25m3 / h; P ≤ 0.4MPa ring diaphragm pump two products, and in 1994 yuan Month passed the ministerial identificatio

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