8" 2500LB ball valve is made according to API 6D standard. The valve body is made of F51. It has the structural characteristics of trunnion mounted ball, full bore. It also has the design of anti-fire, anti-static and anti-flying valve stem. In addition, it also meets NACE MR0175 requirements.

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.

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.

Made as per API6D, the two pc floating ball valve, 3/4inch and 150LB, has different ends.Find your floating ball valve or other valves easily in Dervos.

The gate valve, made according to API 600, is made of CF8, one kind of cast steel. The 4 inch valve is equipped a handwheel, outside yoke, bolted bonnet and extended bonnet. All the accessories are traceable.

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.

With outside screw and yoke, handwheel operation, NPT, the forged steel globe valve is made of A105 and designed as per BS5352.

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.

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 inverted bucket type steam trap is known as the most reliable steam trap. The DN20 WCB inverted bucket steam traps are used in steam heating systems to stop steam from draining out, so choosing the right trap can help steam heating equipment work more efficiently.

Differing 1/4 inch to 3 inch, this gate valve is made of B62 bronze according to API602. No matter what pressure rating, thread design or size you require, Dervos has a large selection of valves to meet your needs.

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.

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.

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.

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 lug type knife gate valve is designed per MSS-SP-81.Made by stainless steel CF8, the 4 inch gate valve has 150 LB flange connection and handwheel operation.

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.

Made of CF8M, the 2 PC valve is designed according to ASME B16.34. Mixed with 15 percent of fibreglass, the RPTFE seat of the valve is more eligible to bear high temperature and high corrosive working condition.