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: 655
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,...
РЕГУЛИРОВОЧНЫХ КЛАПАНОВ
- Jan 26, 2018
- Hits: 17
Регулировочный клапан — разновидность трубопроводной арматуры, предназначенная для непрерывного либо дискретного изменения давления транспортируемой рабочей среды посредством уменьшения своего проходного...
ADES Extends Three Major Contracts in Gulf of Suez
- Jan 19, 2018
- Hits: 31
VADES International Holding Ltd., the London-listed company providing offshore and onshore oil and gas drilling and production services in the Middle East and Africa through its subsidiaries, has successfully...
New Material C12 Has Been Shipped in December
- Jan 19, 2018
- Hits: 28
Broadening product range as well as materials has always been our target, as a manufacturer of gate, globe and check valves, we are dedicated to providing our customers with one-stop service and trying...