H42 止回閥作用

三精閥門有限公司位于泵閥之鄉-甌北鎮,是一家集生產和銷售高、中、低壓閥門生產企業。生產的各種“三精”牌系列閥門,質量可靠，品種齊全，故全國各地，分別有閘閥系列.截止閥系列.止回閥系列.球閥系列.安全閥系列.減壓閥系列.蝶閥系列.疏水閥系列.柱塞閥系列.旋塞閥系列.鍛鋼閥門系列.不銹鋼閥門系列.美標閥門系列.電站閥系列.呼吸閥系列.隔膜閥系列..水力控制閥系列.電磁閥系列.針型閥系列.調節閥系列等………公稱通徑6mm-2000mm（1/4″-80″），公稱壓力0.1Mpa-60Mpa（150Lb-3500Lb）,工作溫度-196℃-1300℃。主體材料采用：WCB、WC6、WC9、2GCr5Mo、2G1產品廣泛應用于石油、化肥、鋼鐵、制藥、化工高層建筑、紡織等領域。 本公司按照ISO9001質量體系標準執行， 始終如*力于依靠科技，不斷創新，努力開發各種“三精”牌系列產品，能按照各類標準、各類材料、各種驅動形式的標準設計生產各種優質閥門。 三精人以*的技術與管理帶給您質量的保證，以良好的信譽報答廣大用戶對三精系列產品的厚愛，秉承“一切為了用戶滿意”的經營理念，將不斷應用新技術、新工藝、新材料積極開發新產品，為廣大用戶提供更優質的閥門產品和完善的售后服務，為建立現代化三精企業而努力奮斗。 Yongjiaxian Sanjing Valve Co.,Ltd is situated on Oubei,Yongjia, a town given the prestigious name of "hometown of pump and valve in China ", we are a specialized valve manufacturer integrating development, production, installation, sales and service. We produce “SANJING” brand valve , quality reliabled, variety is completed with nothing missing, So to be in great demand all over the country. Our products include gate valve , globe valve, check valve ,ball valve, safety valve, reducing valve, trap valve, Plunger valves ,plug valve, hydraulic control valve, solenoid valve, pintle valve, adjusting valve, series. Nominal diameter from 6mm to 2000mm（1/4″-80″）, Nominal pressure from 0.1 Mpa to 60Mpa（150Lb-3500Lb）, Working temperature from –196℃ to 1300℃, the main materials of the products are WCB、WC6、WC9、2GCr5Mo、2G1,The products are widely applied to the field of petroleum, chemical, metallurgical, power, fuel gas, city pipeline networks and so on. The company according to ISO9001 manufacture standard strict. We to rely on Science and technology, we are innovated exertion all the time, exploitation various “SANJING” brand valves and we can according standard , material or drive way to design and produce high quality valves. The products of Sanjing is protected for ahead of technique and manage, In accordance with the marketing philosophy of "all for users", we will application new technique , new technics ,new materials unceasingly to to open up and develop new products, we will provide better products and serve, there will be more efforts to construct modernization “SANJING”.