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.
Made of high-quality casting, the DIN swing check valve has a cast steel body with bolted bonnet structure and flange connection. The valve is designed with good sealing performance and minimal water hammer effect.
DN400 PN10 check valve is made according to DIN standard. The valve body is made of WCB. It has the structural characteristics of swing type and structural length of 310mm. It has the connection mode of RF. This valve has a built-in damper, which is mainly used for shock absorption and energy dissipation.
6" 1500LB swing check valve is made according to API 6D standard. The valve body is made of WCB. It has the structural characteristics of swing type. It has BW connection mode.
The 6 inch Wafer check valve is made in strict accordance to API 594. The body material LCC make sure the lug type valve is capable to handle harsh environment, and the INCONEL-X 750 spring promise the valve a long service life.
The double-disc check valve, made of A395 D1, has excellent resistance to corrosion. Designed in accordance with API594, the check valve is connected to pipes with WAFER. This valve is eligible to be put in marine working conditions.
The 10 inch Dual-Plate WAFER Check Valve is made of WCB and is eligible to be put under pressure up to 30LB. All Dervos check valves are tested to API 598 and must meet or exceed all applicable API, ANSI and ASTM Standards.
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.
Chinese Valve manufacturer Dervos supplies Check Valve that featured with through conduit, plug type disc and replaceable seat. Expect these 14 inch 150LB check valve, other types valves of different materials, sizes are also available.
The DN50 PN160 spring loaded lift check valve, made of Cast Steel, is powered by flow and differential pressure with assistance from spring pressure. And it requests no human intervention is required to function, easy to use.
The stainless steel non return valve features in non slam type disc, INCONEL X750 spring, WCB valve body. This valve owns an excellent dynamic performance and minimizes vibrations and noise.
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