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.
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.
With outside screw and yoke, handwheel operation, NPT, the forged steel globe valve is made of A105 and designed as per BS5352.
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.
Globe valve with a non-return design, preventing reverse flow when in the open position, also suitable for isolation duty. Manually operated, supplied with a handwheel.
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 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 DN100 safety valve, made of WCB and according to GB/T12241-2005, usually work as the over-pressure protection device that work under a steam, air, water or other non-corrosive medium.
Dervos manufactures a versatile range of Ball Valves in single, two and three piece constructions. The valves are available in full-bore and regular-bore designs, in a variety of end connections and materials to meet your requirements.
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.
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.
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.
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℃.
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.
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.
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.
This DN50 gate valve is one of the recent batch of our fresh heating jacketed gate valves whose diameter ranges from DN50 to DN150.
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.