The 2inch axial nozzle check valve is the preferred solution for preventing return flow or shocks on critical process equipment. Thank for its LCB body, the valve is capable for working temperature down to -46 degree Celsius.

China Flanged End Ball Valve Producer,Dervos Offers Flanged End Ball Valve, ASTM A350 LF6, Class 600, 1/2 Inch, Two Piece, Forging, API 608, BS 5351, ASME B16.34.

10’’ ~ 24’’ 600LB gate valve is made according to API 6D standard. The valve body is made of A516 Gr70. It has the structural characteristics of parallel gate. The operation mode is gear operation.

DN50 PN160 floating ball valve is made according to API6D standard. The valve body is made of A105. It has the structural characteristics of floating ball and structural length of 235mm. It has a lever operation mode and its connection mode is lens gasket.

10’’ 300LB gate valve is made according to API 600 standard. The valve body is made of ASTM A217 C5 + STL. It has the structural characteristics of rising stem and bolt cover. The gate valve connected by flange has the operation mode of hand wheel.

The swing check valve is made of 1.0619, a kind of carbon steel, as per DIN standard.The check valve is DN80 and PN40, or 3 inch and 300LB. And the valve is capable in working temperature between -19 to 425 degree Celsius.

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.

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.

This butch of gate valves are ranged from 3 inches to 32 inches. With non-rising gate valves and solid wedge, which are not regularly found in such big sized valves, these gate valves are quite special and reliable.

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.

Thisconcentricbutterfly valve is a lug type valve with threaded holes and can be used for many applications. The valve can be used as a stopper, a tap for discharging at the end of the pipeline, open/close and flow control.

Made of A182-F316L, 1/2’’ 150LB ball valve is made according to API 608 standard. It has the structural characteristics of floating ball and two-piece ball valve.Its connection mode is RF and there is a handle operation mode.

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 1 inch forged steel gate valve is constructed of integral flange, bolted bonnet, rising stem and solid wedge and bolted bonnet. The valve has the design standard API 602 and inspection standard API 598. Dervos could offer customizing service by providing clients with valves in different sizes, materials, standards, design pressure, structure, operation type and connection type.

This 20 inch butterfly valve is plastic lined type one. Its PFA lined disc and its PTFE seat ring enable it a excellent corrosion resistant performance. With a gearbox, it is easy to drive.

The high-pressure Class 4500 gate valve is designed with PSB and SW end connection. Made of CS A105, the 2 inch gate valve follows the inspection standard API 598 and design standard API 602. Dervos could offer customizing service by providing clients with valves in different sizes, materials, standards, design pressure, structure, operation type and connection type.

The DN100 3 way ball valve is isolating valve designed to redirect the service fluid flow rather than throttling or regulating purposes. Suitable for water, steam, gas, oil, crude oil, acid, alkali and other liquids and gases without mechanical impurities.

A three-way ball valve has three ports or openings that are connected to piping or tubing for gas or fluid flow (media) to pass through.