Why Gate Valves Are Forbidden in Oxygen Pipelines?
- Mar 05, 2018
- Hits: 116
In recent years, with the increase of oxygen consumption, oxygen pipelines are largely adopted. Oxygen piping and valves burning explosion accidents occurred frequently, as the pipeline is long and widely...
DERVOS Is Authorized Oversea Sales Agent By Datong Reciprocity Group
- Feb 26, 2018
- Hits: 53
Datong Reciprocity Group was established in 2016 and covers a whole area of 173,420 m2 including 104,000 m2 of building area. It has dozens of high-precision CNC machining centers and more than 500 sets...
Welcome Chinese New Year-Lunar Year of Dog
- Feb 26, 2018
- Hits: 32
Since Chinese New Year is coming, the most important traditional festival throughout the year in China, our office will be closed from 2018.02.12 to 2018.02.26. Even so, you can still feel free to contact...
Dervos's 2017 Year-end Party
- Feb 11, 2018
- Hits: 47
How time flies! I still remember the year-end party in 2016, and here it comes again! To recognize employees' hard working for the whole year, each year before Chinese New Year Holiday, our lovely...
Datong Reciprocity Group Was Honored Chinese Highest Level 4A-class Industry Group
- Feb 11, 2018
- Hits: 40
On the morning of January 4, 2018, Datong Reciprocity Group CO., LTD. was honored "Intelligent manufacturing technology center of high-end valves in petrochemical industry". This is the first...
The Structure and Feature of Plug Valve
- Feb 06, 2018
- Hits: 46
Plug valve is a closed or plunger-shaped rotary valve to close or open by turning 90 degrees so that the port on the valve plug can be same or separate direction from the port on the valve body. The shape...
Patent Certificate Issued for Involute Butterfly Control Valve
- Feb 06, 2018
- Hits: 22
A patent certificate (ZL201610246292.6) for the invention of Involute Butterfly Control Valve was issued by the Chinese State Patent Office on January 2, 2018. The design of Involute Butterfly Control...
How to Choose Valve Material for Acid Medium?
- Feb 02, 2018
- Hits: 659
Anticorrosion has always been the main problem of chemical equipments. According to some statistics, about 60% damage to chemical equipments is caused by corrosion, so paying attention first to the...
The Biggest Shut-off Valve Body Was Installed Successfully in China
- Feb 02, 2018
- Hits: 50
Recently, The shut-off valve body was installed successfully in Qingdao site of China National Offshore Oil Corporation (CNOOC). The body of shut-off valve is biggest in the whole world, which is made...
The Happy Theory in DERVOS
- Jan 26, 2018
- Hits: 36
Work Hard, Play Hard, The Happy Theory in DERVOS! Each year, we will have a travelling here in DERVOS, this year, Northern China has been made our destination, let's call it a Journey to the Northernmost,...