[] Marine safety valve, marine valve model, 30-year manufacturer of marine safety valve provided by Yada Yada Industry and Trade Industry and Trade. Tianjin Adar Ltd. (www.yada-cbwz.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! Labor supplies of anti-static gloves are made of special anti-static Dacron cloth production, and a conductive substrate made of Dacron fibers, conductive fiber spacing of 4mm, the glove has excellent flexibility and antistatic properties, to avoid static electricity produced by the body of the product Marine safety valve damage, it is suitable for widespread use in the electronics industry, semiconductor, clean room and daily life. Marine safety valve features anti-static models, non-slip, oil, abrasion, absorbent, breathable, dust-free, PU part tasteless, soft, long life, can be reused. 100% nylon ensure product nontoxic to ensure the glove material does not produce static surface resistance values: (nylon) 10 to the 10th power (carbon fiber) 10 ^ 6 (copper fiber) 10 3 power .. [Jada Industry and Trade to recommend star product - ship supplies 1. Head (head) of the pump head is the unit weight of the liquid (Unit: N marine valve price, Newton) by increasing the mechanical pump energy (unit: N marine valve wholesale, m, joule), represented by H, units of m (liquid column), by N · m / N is derived. 2. According to the knowledge of fluid mechanics equations ram, a steady flow of fluid in the pipe if the pipe cross-section at a geometric height of z (m),