嘿咻视频无码免费区在线观看_亚洲可以免费在线观看的黄色网址_久青草国产97香蕉在线影院_再深点灬舒服灬太大了添网站_videossexotv极度另类中国_狠狠做深爱婷婷综合影院_亚洲性福利视频网站_成人女人A 级毛片免费软件_亚洲欧美日韩综合另类第一区_白嫩无码人妻丰满熟妇啪

ZFL Cone Valve structural Features and Uses  
ZFL Cone Valve produced and sold by Baigang valve group consists of buried pipe, valve body, sleeve, electric device, screw, connecting rod and other parts, the structure of the outer sleeve, the valve body is fixed. It is the use of screw nut retractable action, driven by the outer sleeve up and down action, to achieve the purpose of opening and closing the valve. The valve has the advantages of simple structure, light weight, compact layout, flexible operation, convenient maintenance, reliable operation and small opening and closing force. When the valve discharges, the water tongue is in the shape of a trumpet, the air diffuses and aerates, and the energy dissipation effect is good. In general, no energy dissipation measures are required. For example, the submerged outlet flow can be measured and the energy dissipation under water measurement is also very simple. It is widely used in water conservancy, hydropower, reservoirs and other projects.

ZFL Cone Valve main To Performance

ZFL Cone Valve main shape and size of the connection table