1. The power supply with vertical external characteristics is used, and the positive polarity is used when DC (welding wire is connected to the negative electro
A safety valve plays a role in preventing overpressure operation during the operation of the pressure vessel. When the pressure in the pressure vessel rises abo
Check valve has a simple structure. The valves don't require electric power to drive, nor do they need much attention. When the medium goes through, the dis
Ball valves are widely used in many commercial, institutional and industrial areas where it requires the isolation of system parts, or just to regulate the on-o
1. When testing the pressure of the whole system, the plug valve should be kept in full open position, which means that the full open position shall remain unch
Transparent Market Research (TMR) recently released a market research report on all the dynamics and analysis of the global valve market. According to this repo
Float Valves modulate to maintain a constant liquid level in a storage tank by compensating for variations in supply or demand. The float ( a stainless steel ba
People has been debating which one is better between cast steel and forged steel valves for a long time. For a long period, cast steel valves dominated the valv
"A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it.” The ball valve is used in the
Presumed that you are in need of a valve, do you know about how to determine the exact valve you are going to order? There are several things you have to consid
The valve sealing face is composed of a valve seat and a closing member. The sealing surface on the valve seat and the closing member is tightly contacted or th
For butterfly valves, hard seal means that both sides of the seal are made of metal material or other hard materials. The sealing performance of this seal is po