​ The double disc check valve is a critical device in fluid piping systems, designed

​A Pneumatic Fluorine Lined Control Valve integrates pneumatic actuation with fluoropolymer lining, offering robust solutions for corrosive fluid regulation in harsh industrial environments. Driven by compressed air, the valve utilizes a piston or diaphragm actuator to position a fluorine-lined plug, while its body and internal components are coated with PTFE, PFA, or FEP to resist aggressive chemicals, acids, and solvents. ​

​The wellhead serves as a crucial hub in oil and gas field development, playing a pivotal role in controlling downhole fluids, ensuring extraction safety, and optimizing production. Its core structure comprises three main components: the casing head, tubing head, and Christmas tree, which are connected via flanges or threads to form a comprehensive pressure control system. ​

​As a core device in industrial high-temperature fluid control, the pneumatic high-temperature control valve achieves stable and precise regulation under harsh conditions through pneumatic actuation and high-temperature resistant structural design. Powered by compressed air, it drives the valve plug via a piston-type or diaphragm-type cylinder, coupled with high-temperature resistant sealing materials and thermal insulation structures, enabling reliable long-term operation in environments ranging from -30°C to 70°C. ​

​The electric sleeve control valve serves as a core device in industrial fluid control, achieving high-precision flow regulation and stable operation through the deep integration of an electric actuator and sleeve-type valve plug structure. A cylindrical sleeve with symmetric balancing holes is installed inside the valve body, and the valve plug moves guided by the sleeve. When the electric actuator receives standard control signals like 4-20mA, it drives the valve plug to displace axially, changing the flow area between the sleeve and plug to precisely regulate fluid flow, pressure, or temperature. ​

In the process of industrial automation, precise and efficient fluid control is of vital importance, and the electric V-type ball valve serves as a key device to meet this demand. It perfectly integrates the precise control of electric actuators with the unique structural advantages of V-type ball valves, playing an irreplaceable role in numerous industrial fields.

  Ball valve is a widely used cutting and control device in industrial pipeline systems, which uses a sphere as the opening and closing element to achieve fluid flow control or adjustment through 90 ° rotation. Its core structure includes a ball with a through-hole, a valve seat, a valve body, and a driving device. When the ball hole is aligned with the pipeline, it is fully opened, and when the hole is misaligned with the pipeline after rotation, it is closed. It is easy to operate and quickly opens and closes. ​ Core types and characteristics Floating ball type: The ball floats, the valve seat is fixed, and the ball is pressed against the valve seat by the pressure of the medium to achieve sealing. It is suitable for low-pressure small-diameter scenarios (DN ≤ 200). ​ Fixed ball type: The ball is fixed on the valve stem, and the valve seat floats. The ball is pressed tightly by medium pressure or spring force, which has better sealing performance and is suitable for high-pressure large-diameter working conditions (DN ≥ 300). ​ Track ball valve: The ball rotates along a specific track to reduce friction and wear, extend service life, and is suitable for media containing particles. ​ Performance advantages Reliable sealing: Metal valve seats or non-metallic valve seats such as polytetrafluoroethylene (PTFE) can achieve zero leakage, and some models meet the API 6D Class VI standard. ​ Extremely low flow resistance: The through-hole structure is similar to the inner diameter of the pipeline, with low fluid resistance, suitable for high flow rate scenarios (such as natural gas transportation). ​ Convenient maintenance: Modular design allows for online replacement of valve seats and seals, reducing down

Pneumatic Sleeve Control Valve is a versatile fluid regulation device combining pneumatic actuation with sleeve-type valve design, widely used in industrial processes requiring precise flow control. Driven by compressed air, the valve utilizes a piston or diaphragm actuator to move the sleeve assembly, which features a perforated cylinder surrounding the valve plug. This unique structure balances pressure forces on the plug, reducing actuator thrust requirements and enabling stable operation under high-pressure differentials.​ Petrochemical: Controls hydrocarbon flows in refining units and chemical reactors.​ Power Generation: Regulates steam and feedwater in boiler systems.​ Water Treatment: Manages flow in filtration and desalination plants.​ Metallurgy: Handles corrosive slurries and gas flows in smelting processes.​ With its combination of pressure balance, sealing integrity, and adaptability, the Pneumatic Sleeve Control Valve remains a preferred choice for processes demanding reliable flow modulation and shut-off in diverse industrial environments.

The Electric Single-seat Control Valve is a precision fluid regulation device renowned for its high sealing performance and accurate control, integrating electric actuation with a single-seat structural design. Driven by an electric motor or servo actuator, it enables remote operation and automated adjustment, making it ideal for modern industrial automation systems. The valve features a single-port design where the plug directly aligns with the seat, creating a tight seal that minimizes leakage—often achieving Class IV or higher leakage standards per API 598. Core Structural Advantages Tight Sealing: The single-seat configuration ensures direct contact between the plug and seat, enhanced by materials like stainless steel or hard-faced alloys for abrasion resistance. This makes it suitable for applications requiring strict shut-off, such as chemical reactors or steam systems. Precision Control: Electric actuators provide stable thrust and fine-positioning capabilities

The Electric Fluorine Lined Control Valve is a cutting - edge solution for fluid regulation in highly corrosive environments, integrating electric actuation with advanced fluoropolymer lining technology. Driven by an electric motor, it enables precise remote control and automated adjustment, allowing seamless integration into modern industrial automation systems. The valve body and internal components are coated or lined with fluorine - based materials, such as PTFE (Polytetrafluoroethylene) or FEP (Fluorinated Ethylene Propylene), which possess exceptional chemical resistance, effectively protecting the valve from aggressive acids, alkalis, and solvents.

The Pneumatic Bellows Control Valve is a specialized device in industrial fluid management, combining the reliability of pneumatic actuation with the flexibility of bellows technology. Driven by compressed air, the valve utilizes a bellows assembly—a flexible, accordion - shaped component—to translate pneumatic pressure into linear motion, precisely controlling the position of the valve plug. This unique design provides excellent sealing performance and protects internal components from corrosive media, as the bellows acts as a barrier, preventing leakage and ensuring the integrity of the valve's operation.

The Electric bellottws control valve is a cutting-edge device in industrial fluid regulation, integrating advanced electric actuation technology with precise control mechanisms. Driven by an electric motor, this valve enables seamless remote operation and automatic adjustment, eliminating the need for complex pneumatic or hydraulic systems. Its intelligent control system, often equipped with a built-in microprocessor, can precisely modulate the valve's opening degree according to real-time process signals, ensuring accurate regulation of fluid flow, pressure, and temperature.

The pneumatic piston butterfly valve is a highly efficient actuator in the field of industrial fluid control. Integrating the advantages of pneumatic actuation and butterfly valve structure, it utilizes a piston-type air cylinder as the power source. Compressed air propels the piston to move back and forth, driving the valve stem and butterfly disc to rotate for opening and closing control. Its core structure features an eccentric design (such as single-eccentric, double-eccentric, or triple-eccentric), enabling the butterfly disc and seat to form a tight sealing pair when closed. The sealing performance can reach zero-leakage standards, making it suitable for various working conditions, including cut-off, regulation, or throttling.

The fixed ball valve is a crucial device in the field of fluid control, standing out for its unique structural design and outstanding performance. This valve features a structure where the ball is fixed while the seats are floating. When subjected to medium pressure, the seats automatically press against the ball, creating a bi-directional seal that effectively prevents medium leakage. Its sealing performance can meet the requirements of API 6D standards. The surface of the ball undergoes hardening treatment and is paired with wear-resistant and corrosion-resistant seat materials, such as PTFE or metal alloys, enabling stable operation under high-pressure, high-temperature, and highly corrosive conditions, and ensuring a long service life.

The Sealing Ring Balanced Sleeve Control Valve stands as a pivotal device in the field of industrial fluid control, integrating the dual technical advantages of high-efficiency sealing and pressure balancing. Its unique sleeve structure, featuring precisely designed balancing holes, effectively counteracts the force exerted by the medium pressure on the valve core, significantly reducing the thrust required by the actuator and extending the valve's service life. This makes it particularly suitable for high-pressure differential applications. The sealing ring, crafted from high-performance elastic materials, ensures zero leakage or extremely low leakage rates through its tight fit with the valve core and sleeve, safeguarding the safety and stability of medium transportation.

In industrial pipeline systems, cast steel globe valves stand as core components for fluid control, renowned for their exceptional flow - intercepting and regulating capabilities. Constructed with high-strength cast steel, they are well - adapted to complex working conditions, including high temperatures, high pressures, and corrosive environments. In terms of structure, the valve body and bonnet are fabricated from high - quality cast steel grades such as WCB and WC6. After heat treatment, they exhibit high strength and impact resistance. The sealing surfaces of the valve disc and seat undergo precise grinding, and in some cases, Stellite alloy is overlay - welded to form a reliable sealing pair. The trapezoidal - threaded valve stem, paired with a copper alloy nut, ensures stable and wear - resistant transmission. During operation, the valve stem drives the disc to move vertically. The "low - inlet, high - outlet" flow design utilizes medium pressure to enhance the sealing effect, ensuring a tight shut - off when closed. Regarding performance, cast steel globe valves offer precise flow regulation, making them suitable for scenarios such as steam pressure reduction and chemical raw material proportioning. Their metal hard - sealing structure enables them to handle media containing particles and withstand high - temperature environments, resulting in a long service life. Additionally, the upper sealing de

In industrial and civil fluid transportation systems, check valves are crucial devices for preventing fluid backflow. Among them, double-flap check valves have become the ideal choice for achieving unidirectional fluid control in numerous scenarios, thanks to their unique structural designs and outstanding performance. Double-flap check valves feature ingenious structural designs. The valve body is typically made of materials such as cast iron, cast steel, or stainless steel to meet the usage requirements of different pressures and media. The core double-flap structure consists of two valve flaps, which are connected to the valve body through pins or valve stems and can rotate freely around a fixed axis. Compared with single-flap check valves, the double-flap design results in smaller and lighter valve flaps, enabling more flexible opening and closing. The sealing surfaces of the valve seats are finely machined and often use elastic sealing materials such as rubber and polytetrafluoroethylene, or overlay-weld wear-resistant alloys on metal sealing surfaces to ensure excellent sealing performance. In terms of working principles, when the fluid flows forward, the pressure of the medium pushes the two valve flaps to open simultaneously. The flaps rotate around the axis to a certain angle, creating an unobstructed flow path for the fluid to pass through smoothly. Due to the double-flap structure distrib

In industrial pipeline systems, cast steel globe valves serve as crucial control components in industries such as petroleum, chemical, and power, thanks to their precise flow regulation and reliable shut-off capabilities. With high-strength cast steel as the base material, these valves achieve sealing through the linear fitting of the disc and the seat, enabling them to withstand high-pressure, high-temperature, and corrosive media conditions. In terms of structure, the valve body and bonnet are made of cast steel grades like WCB and WC6. The sealing surface of the disc is overlay-welded with wear-resistant materials to form a sealing pair with the seat. The valve stem, after special treatment, works in tandem with a copper alloy nut to ensure stable transmission. Although the S-shaped flow path increases fluid resistance, it endows the valve with excellent throttling performance. During operation, the valve stem drives the disc to move up and down linearly. The combination of medium pressure and the thrust of the valve stem ensures a tight fit of the sealing surfaces. Regarding performance, cast steel globe valves can accurately regulate flow. Their metal hard-sealing structure is resistant to wear and corrosion, making them suitable for handling media containing particles or operating under high temperatures, and they offer a long service life. These valves play a vital role in various scen

  In industrial pipeline systems, check valves play an indispensable role in preventing fluid backflow, which could lead to equipment damage, process disruptions, or even safety hazards. Among them, cast steel swing check valves have emerged as reliable “guardians” for ensuring unidirectional fluid flow in numerous fields, thanks to their unique structural designs and dependable performance. Cast steel swing check valves feature ingenious structural designs. The valve body is constructed from high-strength cast steel materials, such as WCB and WC6. After heat treatment, it exhibits excellent strength and toughness, capable of withstanding pressure ratings ranging from PN16 to PN160 and operating within a temperature range of -29°C to 425°C. This enables stable operation under various complex working conditions. The core component, the valve disc, is connected to the valve body via a disc shaft, which is installed in the rotational shaft hole of the valve body, allowing the disc to rotate around the disc shaft. The sealing surfaces of the valve seat and the valve disc undergo precise machining and grinding to ensure optimal sealing performance. In some valves, wear-resistant materials like Stellite alloy are overlay-welded on the sealing surfaces to extend their service life. In terms

In the field of industrial pipeline transportation, valves serve as key components for controlling fluid flow and cut-off, and their performance directly impacts the safety and stability of the system. Cast steel wedge gate valves, with their high-strength material properties, unique wedge - type sealing structure, and excellent adaptability to various working conditions, have become one of the preferred devices for high-pressure and high-temperature pipeline systems in industries such as petroleum, chemical, and power.​ Structural Design: The Engineering Wisdom of Combining Rigidity and Flexibility​

In the field of industrial fluid control, various valves play distinct roles, providing accurate solutions for different working conditions. Among them, DBB (Double Block and Bleed) single-flange needle valves have become the ideal choice for scenarios that demand high-precision fluid control and strict safety guarantees, thanks to their unique DBB function and single-flange structural design. ​ DBB single-flange needle valves feature a compact and ingenious structure. The single-flange design allows the valve to be connected to the pipeline through only one side flange. This simple connection method not only saves space but also facilitates installation and disassembly, making it especially suitable for pipel

In the field of industrial fluid control, top-entry hard-seal fixed ball valves have emerged as a reliable choice for numerous demanding working conditions, thanks to their unique designs and outstanding performance. With innovative structures and powerful functions, these valves effectively address the sealing challenges faced by traditional valves in complex environments, providing strong support for the stable operation of industrial production. ​ The core advantages of top-entry hard-seal fixed ball valves stem from their distinctive structural designs. Featuring a top-entry structure, key components such as the ball and valve seats can be directly disassembled and installed from the top of

Valves play a crucial role in industrial pipeline systems. Among them, side-mounted fixed ball valves have emerged as an ideal choice in numerous fields due to their unique design and excellent performance.​ Side-mounted fixed ball valves feature an ingenious structural design. The valve body usually adopts a two-piece or three-piece structure, consisting of

A typical wellhead is a crucial surface facility in oil and gas extraction, serving as the "throat" through which oil and gas travel from underground to the surface. It is mainly composed of three major components: the casing head, tubing head, and Christmas tree. The casing head connects the surface casing, intermediate casing, and production casing, forming a stable casing string to ensure the stability of the wellbore. Mounted on top of the casing head, the tubing head suspends the tubing string and seals the annular space between the tubing and casing to prevent fluid leakage. The Christmas tree, positioned at the top, integrates valves, instruments, pipe fittings, and other equipment. It is used to control and regulate oil and gas production, enabling operations such as wellhead pressure monitoring, flow regulation, and paraffin removal. ​