Domestic production valve manufacturers are more rigid single gate valve connected even mostly non-uniform size. Mainly divided into the following categories: the JB / T2203-1999 "gate length of the structure," based utility category. Currently most of the safety valve manufacturer in accordance with this standard design and production. Manual valve works: handwheel PZ41H slagging valve suppliers, through forward, back Weifang valve hand wheel and stem threaded stem connection with the raising or lowering of the valve plate PZ41H slagging valve manufacturer, to open and off effect. Advantages: 1, small flow resistance. Body internal media channel is straight, medium into a linear flow, small flow resistance. 2, more effort when opening and closing. In contrast with the shut-off valve, since either open or closed, the shutter movement direction are perpendicular to the flow direction of the medium. 3, height, long opening and closing times. Gate opening and closing stroke of a larger drop is carried out by a screw. 4, easy to produce water hammer phenomenon. The reason is that long off time. Slagging characteristics of a valve product structure, the use of slag gate valve flange bolting slag, both ends of the branch pipe connecting two flanged or butt, slagging valve opening and closing pieces using semi-hermetic seal deputy mandatory, excellent performance 3 , slagging valve sealing materials for wear-resistant alloys or ceramics, wear resistance, abrasion resistance, durability erosion, abrasion, friction is small, reliable sealing 4, slagging valve body outlet passage junction reasonable, does not exist slag, hoist flexible, not jamming 5, slagging valve stem quenched and surface nitriding treatment, good to engage in resistance, scratch resistance and abrasion resistance 6, slag Valve in large diameter set rolling, open and close easily PZ41H slagging suppliers _ Everbright gate valve model (certified) _ slagging valve provided by Shandong China Everbright Limited valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) Shandong Weifang, ball leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Everbright valve leadership with the staff warmly welcome all inquiries negotiations to create a better future for China Everbright valve.