Xiamen Dervos Valves Industry Co.,Ltd(stock code 861601), founded in 2008, is a one-stop industrial valves supplier integrated of R&D, manufacture, resource integration, and trade service. Dervos has been committed to finding solutions for industrial needs and providing professional service for both general and specialized valves.
Our product range covers almost all valve types in all industries. including ball valves,gate valves,butterfly valves,check valves and other special pipe valves.
The single-disc check valve, made of CF8, has excellent resistance to corrosion. Designed in accordance with API594, the valve is of a WAFER type.
The 6 inch 150 LB single disc wafer check valve, designed per API 594, has one disc and wafer connection. It will have the best performance under -29 to 350 Celsius degree.
Due to its simple flow efficient and virtually maintenance-free design, thestainless steel ball checkvalve is commonly specified and used in submersible waste water lift stations.
This spring loaded check valve, made according to DIN3840, requires no gravity or backflow pressure to work or actuate.It’s body material 1.0619 enable the valve to work under great heat and It’s spring can accommodate a wide range of temperature, too.
The inverted pressure balanced lubricated plug valve is 2inch and 150 LB. Manufactured as per API6D, the valve is capable in manifolds and production services of oil fields, asphalt plants, others.
The 1 inch sleeved type plug valve is made of A216 WCB as per API 599. Thanks to its PTFE seat, the valve has excellent sealing and anti-corrosion performance. The valve is capable in working condition lower than 180 degree.
Non-Lubricated, Sleeved Plug Valves incorporate state-of-the-artPPL seat design. With little required maintenance and trouble-free operation, the 3 inch 150 LB valve will ensure a high integrity bubble-tight seal.
This 1/2 Inch plug valve is made of A216 WCB, according to API598.With little required maintenance and trouble-free operation, a high integrity bubble-tight seal is provided both in-line and to atmosphere.
The changeover valve is combined by two valves that are different from nominal diameter--one is DN100, the other is DN150. A handwheel is put on the right side of the valve to help control the large WCB-made device. Designed as per DIN 3356, the valve is usually put in the oil industry.