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 1 1/2inch 1500LBglobe valve,made of A105N are best suited for throttling application at high pressure and temperature.

The 6 inch 600LB globe valve, made of ASTM216 WCB, is designed as per API623. It is operated by a handwheel and is connected with pipeline by RF. The disc of the globe valve contain 13Cr, therefore this valve enjoys a better ability to resist corrosion.

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.

The 1 1/2inch 1500LB globe valve,made of one kind of alloy steel F22, is the best answer to working conditions under high pressure and temperature .

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.

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.

China 1 Inch Gate, Valve Manufacturer Dervos Provides 1 Inch Gate Valve, A105, API 600, Class 600, Flanged, Handwheel Operation.

Chinese manufacturer Dervos offers 14 Inch swing check valves made according to API 6D. Other features cover CL300, RF End Connection, WCB body.

The DN150 PN10 unidirectional knife gate valve features a single piece, stainless steel body design provides tested performance in applications ranging from general purpose to severe media.

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 A216, a kind of WCB. Manufactured according to BS1868, the check valve is 6 inch and 150LB. And the valve is capable in working temperature between -19 to 425 degree Celsius.

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.

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.

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.

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.