According to the news on July 17, 2025, the information from the National Intellectual Property Administration shows that CEPAI Group Co., Ltd. has applied for a patent named "Pneumatic - Sealed Integral Inclined - Disc Check Valve". The publication number is CN 119617148 A, and the application date is December 2024. The patent abstract shows that the invention discloses a pneumatic - sealed integral inclined - disc check valve, which relates to the technical field of fluid valves. The invention solves the problems of traditional check valves, such as poor sealing performance, short service life, and low operation flexibility. By introducing a slow - reset spring

The floating ball valve is a pivotal device within the realm of fluid control systems, celebrated for its straightforward construction and high - performance operation. Its design is centered around a sphere that is not fixed by a trunnion, allowing it to “float” freely within the valve body. Operating Principle

Oil and Gas Field Typical Wellheads In the field of oil and gas field development, typical wellhead devices are key equipment ensuring safe and efficient oil and gas extraction. Take the KQ78-105 wellhead device as an example, which is mainly used for extracting oil and natural gas from ultra-high pressure, high sulfur-resistant oil and gas wells. It was first applied in the Tarim Oilfield in 2013. Its hanger can seal and suspend the tubing string; the shear safety valve in the main channel of the Christmas tree can shear steel wire ropes and armored cables; other gate valves and safety valves can cut off and seal pipelines; and the end throttle valve is used to control and adjust wellhead pressure and flow.  

The pneumatic fluorine - lined butterfly valve is a specialized piece of equipment in fluid control systems, highly valued for its unique properties and wide - ranging applications. At its core, the defining feature is the fluorine lining, which endows the valve with exceptional resistance to corrosion. Fluorine materials, such as polytetrafluoroethylene (PTFE) or perfluoroalkoxy alkane (PFA), have remarkable chemical inertness, making them capable of withstanding a vast array of highly corrosive chemicals, acids, alkalis, and solvents. Powered by a pneumatic actuator, this valve offers rapid and automated operation. The pneumatic system provide

The pneumatic O - type ball valve is a vital component in fluid control systems, renowned for its outstanding performance and reliability. At its core, the O - shaped ball with a circular through - hole is the key feature that enables precise on - off control of fluid flow. When the valve is fully open, the circular hole aligns perfectly with the pipeline, allowing fluid to pass through with minimal resistance, which ensures high flow efficiency. Powered by a pneumatic actuator, this valve offers rapid and accurate operation. The pneumatic system provides a clean, efficient, and easily adjustable power source. It can respond quickly to control s

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The Electric Tri-eccentric Metal Butterfly Valve stands as a cutting-edge solution in fluid control systems, blending advanced engineering with reliable performance. Its tri-eccentric design—featuring offsets in the valve shaft, seat, and disc—eliminates friction between the metal disc and seat during operation, ensuring a tight seal even under high-pressure and high-temperature conditions. This design not only enhances durability but also minimizes wear, extending the valve’s service life significantly.   Powered by an electric actuator, the valve offers precise, automated control over fluid flow, making it ideal for industries such as oil and gas, petrochemicals, power generation, and water treatment. The electric drive allows for easy integration with industrial control systems, enabling remote operation, accurate flow regulation, and quick response to process changes. Whether handling corrosive m

In industrial pipeline systems, the cast steel globe valve stands out as a robust and dependable device for regulating fluid flow, particularly excelling in high-pressure and high-temperature environments. Its sturdy construction and precise sealing capabilities make it indispensable in critical applications involving steam, oil, and high-pressure water.   The structure of a cast steel globe valve is engineered for durability and tight shutoff. It consists of a cast steel valve body (typically made from materials like WCB or WC6, known for their strength and resistance to corrosion), a disc, a valve stem, a handwheel, and seating components. The cast steel body ensures the valve can withstand working pressures ranging from 1.6MPa to 10MPa and temperatures from -29℃ to 425℃, making it suitable for harsh industrial conditions. The disc and seat feature a precision-machined flat or con

In industrial processes involving aggressive media, the electric lined fluorine ball valve emerges as a versatile and robust solution, combining the chemical resistance of fluorine lining with the precision of electric actuation to deliver reliable fluid control.   Structurally, this valve integrates a metal valve body with a fluorine-based lining (typically PTFE or PFA) covering the inner surfaces, ball, and seats. The core component is an electric actuator, which converts electrical energy into rotational motion to operate the valve stem and fluorine-lined ball. This design ensures that corrosive fluids come into contact only with the inert fluorine material, protecting the metal structure from degradation and extending the valve’s service life.

In industrial environments where corrosive media dominate, the pneumatic fluorine lined ball valve stands as a specialized and reliable control device, merging the precision of pneumatic operation with the superior chemical resistance of fluorine lining to ensure safe and efficient fluid management. Structurally, the valve comprises a valve body, a fluorine-lined ball (typically coated with PTFE or PFA), a valve stem, a pneumatic actuator, and sealing components. The fluorine lining, applied to the inner surfaces of the valve body, ball, and seats, acts as a robust barrier against corrosive substances, while the pneumatic actuator—driven by compressed air—controls the rotation of the ball via the valve stem. This design ensures that metal components remain isolated from aggressive media, extending the valve’s service life even in harsh conditions.  

In industrial processes involving highly corrosive media, the pneumatic fluorine lined control valve emerges as a specialized and reliable solution, combining precise flow control with exceptional resistance to chemical attack. Its unique design makes it an essential component in environments where standard valves would quickly succumb to corrosion.​ The structure of the pneumatic fluorine lined control valve is engineered for both functionality and chemical resistance. It c

In the vast network of industrial pipelines, the cast steel wedge gate valve stands as a robust and reliable flow control device, renowned for its ability to provide tight shutoff and handle high-pressure, high-temperature media with ease.​ The structure of the cast steel wedge gate valve is designed for durability and strength. It primarily comprises a cast steel valve body, a wedge-shaped gate, a valve stem, a handwheel, and sealing components. The wedge gate, typically ma

In industrial fluid control systems, the needle throttle valve, with its unique fine adjustment capability, has become a core component for achieving precise control of medium flow rates, playing an irreplaceable role in various scenarios that require accurate regulation of flow velocity.​ The structural design of the needle throttle valve revolves around "precision" and mainly consists of a valve body, a needle, a valve stem, a handwheel, and a sealing assembly. The core li

In the diverse landscape of industrial fluid control, the electric rubber lined butterfly valve emerges as an efficient and versatile regulator, combining the convenience of electric operation with the superior sealing performance of rubber lining to meet the demands of various pipeline systems.​ The structure of the electric rubber lined butterfly valve is designed for both functionality and durability. It consists of a valve body, a disc (butterfly plate), a valve stem, an

In the realm of industrial fluid control, the DBB (Double Block and Bleed) single flange needle valve stands out as a precision instrument, combining intricate design with robust functionality to ensure accurate flow regulation and enhanced system safety.​ The structure of the DBB single flange needle valve is a marvel of engineering precision. It features a valve body with a single flange connection, which simplifies installation into pipeline systems. At its core is a slen

In the intricate network of industrial pipelines, the lift check valve stands as a steadfast protector, dedicated to preventing backflow and maintaining the orderly flow of media. Its unique design and reliable performance make it a vital component in ensuring the stability and safety of fluid systems across various industries. ​

In the realm of industrial pipeline control, the top-entry hard-seal fixed ball valve emerges as a stalwart, combining robust construction with precise functionality to meet the rigorous demands of various fluid systems.​ The structure of this valve is a testament to engineering ingenuity. It comprises a valve body, a fixed ball, a stem, hard sealing rings, and a top-entry bonnet. The fixed ball, as the name suggests, is stationary and does not move axially, ensuring stabili

In the diverse world of fluid control equipment, the manual-hydraulic slabbing gate valve stands as a versatile and reliable option, combining the flexibility of manual operation with the power of hydraulic drive to meet various flow control needs in industrial pipelines.​ The structure of the manual-hydraulic slabbing gate valve is designed for durability and functionality. It mainly includes a valve body, a gate plate, a stem, a manual operating mechanism, and a hydraulic

In the intricate dance of industrial fluid management, the pneumatic single seat control valve emerges as a master of precision, orchestrating the flow of liquids and gases with unparalleled accuracy to keep production processes in perfect harmony.​ At its core, this valve combines a streamlined structure with intelligent functionality. Key components include a valve body housing a single seating surface, a matched valve plug, a valve stem, and a pneumatic actuator—often a

Cepai Group   Large-caliber Fully Welded Ball Valves   In the critical battle of energy supply guarantee, Cepai Group has written a new chapter in t

In the field of industrial process control, the pneumatic single seat control valve is a vital device that enables precise adjustment of fluid flow, pressure, and temperature, ensuring the stability and efficiency of production processes. The structure of this valve is relatively compact, consisting of a valve body, a single valve plug (seat), a valve stem, a diaphragm actuator, and a positioner. The diaphragm actuator is the driving force behind the valve's operation, converting pneumatic signals (usually 0.02-0.1MPa) into mechanical thrust. The valve plug is connected to the actuator via the valve stem, and its position in the valve seat determines the size of the flow passage. When a pneumatic signal is input to the diaphragm actuator, the actuator generates a corresponding thrust that drives the valve stem and the valve plug to move up or down. If the signal increases, the valve plug moves away from the valve seat, enlarging the flow area and allowing more fluid to pass through. Conversely, a decrease in the signal causes the valve plug to move closer to the valve seat, reducing the flow area and restricting the fluid flow. This linear relationship between the pneumatic signal and the valve opening degree enables accurate control of the fluid flow rate. Pneumatic single seat control valves are widely used in industries such as chemical engineering, pharmaceuticals, food and beverage, and water treatment. They are particularly suitable fo

In industrial pipeline systems, there is a key device that silently guards the direction of fluid flow - the swing check valve. Like a dedicated guard, it ensures that the medium can only flow in the preset direction with its unique structural design, resolutely preventing the occurrence of backflow, and safeguarding the stable operation of the pipeline system. ​

In industrial pipeline systems, preventing medium backflow is a crucial link in ensuring the safe and stable operation of the system. As a novel-structured and high-performance check device, the dual-plate check valve, with its unique design and excellent functions, has been widely used in fluid transportation systems in many industries. ​

In the field of industrial fluid control, not all scenarios can easily access external energy, and the self-operated control valve just fills this gap. It does not require external power sources such as electric or pneumatic energy, and can automatically regulate parameters like pressure, flow, and temperature relying solely on the energy of the medium itself, making it an ideal choice for many special working conditions. ​