Shanghai,21-23 April— Tianjin Tanggu Water-Seal Valve Co.,Ltd, a renowned manufacturer of soft-sealing butterfly valves with over two decades of expertise, recently concluded a highly successful pa...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...
Commonly seen in gate valves are the rising stem gate valve and the non-rising stem gate valve, which share some similarities, that is:
(1) Gate valves seal through the contact between the valve se...
The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. When installed in the actual control process, the...
A valve is a control device for a fluid line. Its basic function is to connect or cut off the circulation of the pipeline ring, change the flow direction of the medium, adjust the pressure and flow...