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.

The 3000LB ball valve, made of F316 or F316L, has an asymmetric end structure, a end is NPT while another RF. It is capable to work under -29℃~150℃.

China Wafer Type Butterfly Valve Provider DVS Supplies Cast Steel Wafer Butterfly Valve, 2 Inch, Class 300, Lever Operation, for Air, Water, Steam and Gases.

China Flanged Ball Valve Supplier Offers Carbon Steel Flanged Ball Valve, ASTM A105N, Class 600 LB, 1 Inch, BS 5351, Free Floating Ball, Side Entry.

High Pressure Check Valve Supplier in China Offers Pressure-Seal Bonnet Check Valve, ASTM A105N, 1 Inch, Class 1500 LB, Forged Steel Lift Check Valve.

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.

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 1 inch swing check valve has the construction of bolted bonnet and RF flange end. The forged steel swing check valve is designed with reduced bore as per API 602. Dervos could also do customizing service as per clients’ requests on sizes, design ratings, materials, and standards and so on.

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.

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.

China Carbon Steel Ball Valve Provider Offers 3 Piece Position Type Ball Valve, ASTM A105N, Class 800, 1 Inch, Free Floating Ball, API 608, BS 5351.

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 valves are widely used in electric power, petroleum chemical industry, metallurgy, Marine, oil, natural gas, coal gas, pharmaceutical and other industries.

You can found this valve in a various high performance applications such as steam, chilled water, gasoline, oil, jet fuels, natural gas, utility lines, process lines and in industries.

This DN50 gate valve is one of the recent batch of our fresh heating jacketed gate valves whose diameter ranges from DN50 to DN150.

Dervos is a proud industrial API 600 cast steel gate valve manufacturer in China. Our stainless steel gate valves, carbon steel gate valves, and alloy steel gate valves are available in all trim configurations.