av资源网站_超碰一区二区_激情视频免费在线观看_亚洲最大视频网站_草久免费视频_色老久久_日韩第一视频_亚洲激情中文_国产精品成人aaaaa网站_久久精品无码一区二区三区免费

ZMY Copper Inlaid Cast Iron Round Gate produced and sold by Baigang valve group, Also known as cast iron round gate cast iron round gate, round gate, Xu Hui Industry and Trade is actively absorbing advanced structures and processes at home and abroad, and to improve the water supply and drainage and sewage treatment of the ideal equipment. Round gate manufacturing and processing in line with the Ministry of Construction CJ / T300-1992 standards and the United States AWWA standards. Widely used in municipal, petroleum, chemical, power plants, metallurgy, coal, light industry, food, pharmaceuticals, water conservancy, sewage treatment and other water supply and drainage projects. The nominal pressure of 0.1MPa below the intersection of the intersection of the mouth of the pit wells, sediment ponds, sewage channels, the original wells wells, clear water and other places, to cut off, clear the water flow or regulate the water level. And with manual, electric, hydraulic hoist combination supporting the use of field operations or remote control to achieve centralized control, but also with the computer linkage control.

Cast iron copper gate according to the shape and structure is divided into cast iron cupola copper gate and cast iron copper square gate, cast iron copper gate by the door frame, gate, rail, seal, adjustable sealing mechanism and other components. The utility model has the advantages of simple structure, good sealing performance, strong abrasion resistance, simple operation, convenient installation, long service life, complete specifications and wide applicability. The utility model can be equipped with manual hoist or flashlight hoist according to customer's needs.