Dervos Performs Itself in 2014 Valve World
- Mar 25, 2015
- Hits: 444
Valve World is the most prestigious exhibition in the valve industry. Almost all of the famous valve companies will have booth here and numerous people come for meeting business partners and finding new...
Merits, Demerits and Installation Tips of Globe Valve
- Mar 20, 2015
- Hits: 363
Merits, demerits and installation tips of globe valve are introduced in details in this technical article. Globe valve has the following merits: 1. Globe valve has simple structure, therefore it is easy...
Performance Parameters of Electric Butterfly Valve
- Mar 14, 2015
- Hits: 298
There are two kinds of electric butterfly valve types: switch type and intelligent type. Match butterfly valve with the DSR actuators, input control signals (4 ~ 20mADC or 1 ~ 5VDC) and single phase power...
Tips for Choosing Top Valves for Food Industry
- Feb 27, 2015
- Hits: 292
Food safety has become a big concern of security issues for the global common people. Then, how to choose the valve fluid handling components among the modern food processing equipments? As a responsible...
How to Operate Soft Seal Gate Valve?
- Feb 14, 2015
- Hits: 291
A lot of people want to know the operation method of soft seal gate valve in order to operate the valve better. Then, what is the operation method of soft seal valve? Here are four main operation methods...
What Are Advantages of Insulated Ball Valve?
- Feb 14, 2015
- Hits: 321
Here are seven main advantages of insulated ball valve as follows. 1. The fluid resistance is small, and its resistance coefficient is equal to that of the tubulation of the same length. 2....
Brief Installation Points of Spring Relief Valve
- Feb 10, 2015
- Hits: 296
Here are some main brief installation points of spring relief valve or spring safety valve we need to notice. Before installing spring relief valve, the first thing we need to pay attention to is to be...
A Travel in Thailand
- Oct 25, 2014
- Hits: 329
Time again to wind up working and take a break. It is the first time for Dervos team to travel abroad. The destination is Phuket Island in Thailand. Everything seems nice in this country-blue ocean, white-sand...
The Mid-Autumn Festival Celebration
- Sep 16, 2014
- Hits: 296
The Mid-Autumn Festival is just around the corner. It falls on the 15th day of the 8th month of the Chinese lunar calendar. For centuries, the festival has been synonymous with family reunions, big feasts...
Great Success at the 21st World Petroleum Congress (WPC) in Moscow
- Aug 24, 2014
- Hits: 278
The 21st WPC is a great success for us and the event itself. A lot of visitors come to our booth and have a great time talking with us.A few trial orders of small ball valve and check valve are placed...