Dervos Monthly Meeting
- Mar 21, 2016
- Hits: 166
From last year, a monthly meeting becomes one of Dervos company activities. The purpose of meeting is to solve problems met on work and share ideas on all aspects of company, co-create a comfortable and...
China Crude Oil Imports Hit Record 8 M bpd
- Mar 11, 2016
- Hits: 128
On February China's crude oil imports increased 20 percent on year to the highest ever on a daily basis. The number of crude oil importers has rapidly risen because of the current market situation....
U.S. Chemical Production Activity Advanced in January
- Mar 04, 2016
- Hits: 138
According to the American Chemistry Council (ACC), the U.S. Chemical Production Regional Index (U.S. CPRI)rose by 0.5% in January, as measured on a three-month moving average (3MMA). This followed a revised...
An Awesome Year-End Dinner Party
- Mar 02, 2016
- Hits: 206
In Fujian province, there is a tradition that in last half month of December (according to lunar calender). The boss will hold a big event called Year-End Dinner Party to thank employees for what they...
Soft-sealing Gate Valve Industry
- Feb 29, 2016
- Hits: 184
In recent years, along with the development of the real economy and the traditional manufacturing, valve and related products, being as an essential part of manufacturing chain, also made great progress....
Four Major Development Trends of Valve Industry
- Feb 25, 2016
- Hits: 188
Market competition in the valve rounds has become fiercer in our country. Successful practice of equity on the future development trend of the valve is the focus of attention. Market analysts believe...
The Operation of Gate Valve
- Dec 11, 2015
- Hits: 253
1. Gate valve is usually applied in on - off occasions and it can not be used for throttling applications. 2. Gate valve is normally installed on horizontal pipes, with or without the stem vertical. Also,...
Selection of Butterfly Valve Caliber
- Nov 12, 2015
- Hits: 936
Caliber of a butterfly valve is mainly determined on flow, media and flow rate. Generally, the flow rate of the liquid is not more than 5m / s, maximum 7-8m / s. Typically, the water flow rate is 2-3m...
Common Faults and Solutions of Marine Valves
- Oct 24, 2015
- Hits: 288
With today's science and technology, marine valves already have the advantages of high hardness, strong abrasion and corrosion resistance, long service life and so on. However, occasionally, there...
Valve Selection Procedure
- Oct 09, 2015
- Hits: 459
Generally, you should follow these following steps to choose a valve. 1. Process status of a valve is determined by its usage in installation or process piping. For example, the working medium, working...