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
In the past two weeks, the whole country have been uniting together to fight against Coronavirus outbreak in China. We have learnt that due to a severe shortag
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
After one-year collective efforts of all Dervos people, we finally have our annual meeting and party. The whole morning, people from all departments (sales, QC
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
In the past two months Chinese people made great efforts to fight against the COVID-19. Allthought it was not a period of easy time for us, we were still so mov
Dervos posted it's first batch of supplies, of which consists 14 packages, carrying 3200 pieces of disposable medical masks and 500 KN95 masks, to Hungary,
"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