(680 products available)
Ready to Ship
Ready to Ship
Ready to Ship
Ready to Ship
The DN50 shut-off valve is available in different types to meet various operational requirements. Each type has unique characteristics that affect its suitability for specific applications.
A DN50 gate valve is designed to provide a clear, unobstructed passage when fully opened. It features a flat or wedge-shaped gate that is lowered into the flow path to block fluid when closed. Gate valves are primarily used for on-off control, allowing full flow when opened. They are not recommended for frequent operation, as they are designed to maintain a tight seal rather than withstand wear from constant movement.
Globe valves feature a spherical body shape with an internal baffle separating two fluid passages. Their disk or plug-shaped closure elements move perpendicularly against seats to provide sealing surfaces that meet together under pressure to close the valve. This valve type has an internal baffle that gives it a rounded appearance. Globe valves are used for regulating flow due to their ability to control fluid passage incrementally. However, their design restricts flow more than other valve types.
A DN50 ball valve uses a hollow, perforated, and grounded ball to control the flow of fluid through the piping system. This valve type is favored for its ability to provide a tight seal and, therefore, a higher degree of shut-off compared to other valve types. It consists of a spherical disc with a hollow center that permits or blocks fluid flow. Ball valves are commonly used in applications requiring frequent valve operation since they offer quick on-off functionality.
Butterfly valves employ a rotating disk or plate positioned at the center of the pipe. The disc opens by rotating 90 degrees, allowing fluid to flow through, and closes by reseating against the elastomeric gasket or seal to prevent flow. A DN50 butterfly valve features a disc that rotates to allow or prevent fluid movement. They are light and compact, providing a reliable sealing mechanism.
Shut-off valves, like the DN50 valve, are crucial components in industrial piping systems. Their primary function is to control the flow of fluids, and they are utilized in various applications across multiple industries.
These valves control the flow of oils, gases, and chemicals, providing reliable isolation for processes and equipment. With a DN50 rating signifying a nominal pipe diameter of 50 millimeters, these shut-off valves are effective for medium flow rate and pressure-volume.
In this area, DN50 valves control the flow during processes like filtration, chemical dosing, and disinfection. They help isolate sections for maintenance while minimizing water loss. The importance of DN50 valve quality and dependability cannot be overstated, as they safeguard infrastructure and ensure compliance with environmental regulations.
Here, shut-off valves control fluid flow in production processes, including steam, cooling water, and compressed air. They provide essential isolation for maintenance and reduce production downtime. Furthermore, the ability to quickly stop flow in emergencies protects equipment and personnel.
In mining operations, vales like the DN50 shut-off valve control the flow of slurries, water, and chemicals used in mineral processing. They isolate sections for maintenance or repair while ensuring operational safety. Valves in this space must withstand extreme conditions, such as abrasive fluids and harsh environments.
These valves regulate refrigerant and coolant flow in heating, ventilation, and air conditioning systems. They isolate components for system maintenance or replacement while enabling energy-efficient operation. Therefore, the reliability of these valves directly impacts system performance and longevity.
In this area, there is a need to comply with strict hygiene and safety standards. Thus, shut-off valves in pharmaceutical production and distribution of drugs and chemicals and in sterilization processes must be made of quality materials that can easily be cleaned, prevent contamination, and have a long lifespan.
When selecting a suitable shut-off valve, several factors are considered to ensure proper application, longevity, and operational reliability. For example, the DN50 valve is fit for medium-pressure and flow-rate applications.
The valve material must be compatible with the fluid it will be exposed to. This is important to prevent corrosion, degradation, or contamination. The fluid's chemical properties and temperature must also be considered. Some are neutral to metals and other materials. These are the ones manufacturing experts should consider for the materials' survival. Others are aggressive to them, leading to rapid degradation, as shown below.
The valve must withstand the maximum pressure and temperature of the system. Operating outside a valve's rated limits can cause catastrophic failure. Check the valve specifications to confirm that its ratings align with the system requirements.
Shut-off valves are typically made of metal, such as stainless steel or brass, and other materials, like plastic. Stainless steel is strong, corrosion-resistant, and thus suitable for harsh environments. Brass is durable and offers corrosion resistance, ideal for water and gas applications.
Seals and packing materials are also selected based on the application. They include PTFE, nitrile, and other elastomers. PTFE is chemically resistant and used for sealing in demanding environments. Nitrile is more suited for oils and fuels but degrades under prolonged exposure to certain chemicals.
Manual shut-off valves are operated by hand via a lever, wheel, or handle. They are often utilized in areas requiring occasional maintenance or inspection. Automation of shut-off valves, however, can enhance operational efficiency. Automated valves integrate with control systems for remote operation. This makes them the option for continuous process monitoring.
Utilizing DN50 valves with industry standards and certifications is crucial for safety and reliability. They also ensure quality and performance. Examples of these standards and certifications include those established by the American National Standards Institute (ANSI), the American Society of Mechanical Engineers (ASME), and the International Organization for Standardization (ISO). Valves for food, pharmaceutical, and other highly regulated industries must have appropriate certifications to ensure compliance.
Proper maintenance of the DN50 shut-off valve prolongs its operational reliability, efficiency, and durability in piping systems. This is critical as the valve controls fluid flow and thus protects the connected equipment and the whole piping system.
The valve should be inspected regularly for visible damage, wear, corrosion, or leakage. The valve area and surrounding spaces must be checked for fluid accumulation, as such is an indicator of internal failure. Look out for signs of surface cracks, physical deformity, or other signs of weakness.
Frequent inspections catch problems early, allowing planning for repairs or replacement without compromising operations.
The first thing to consider is the valve's operating schedule. Has it been constantly in use? If yes, find out how long. This will help estimate the expected lifespan of the various components and replacement timelines.
Frequent users of the DN50 valve require even more vigilance. It helps plan their maintenance, ensuring it doesn't impact operations. Plus, constant monitoring allows for the early identification of components approaching the end of their lifespan.
The valve's critical components, like the stem threads and packing gland, should be lubricated appropriately with good quality lubricants and, more importantly, their frequency. Proper lubrication reduces friction, wear, and tear, and ensures smooth valve operation.
One method for ensuring the DN50 shut-off valve lasts a long time is to maintain good hygiene in and around the valve. Clean contaminants like dust, grease, sediment, and trash from the valve and surrounding area. This is especially critical for valves in high-contamination environments like food processing and pharmaceuticals.
Contaminants can cause corrosion, wear, or malfunction, and constant cleaning prevents them. It also helps identify potential leaks or damage early on.
This involves periodically testing the valve's functionality and monitoring its performance. The DN50 valve must be checked for appropriate sealing and flow control. Hence, it is closed to see if it can hold pressure without flowing through.
A performance monitoring routine involves checking operating parameters like pressure and temperature for any inconsistency and assessing if they are within acceptable limits. This catches potential issues early on.
If the DN50 valve is used in extremely high or low temperatures or under high-pressure conditions, special care must be given to it. Inspect the valve more frequently for damage, wear, or leaks, as extreme conditions can quickly deteriorate valve materials. Ensure the materials used for the valve can withstand the environment in which it is placed.
A1.A DN50 valve is a shut-off valve with a diameter nominal of 50 millimeters controlled by a multi-turn electric valve actuator. DN refers to an approximate inner diameter measurement in millimeters, and 50 indicates the nominal size of the valve in millimeters. This electric valve actuator turns the valve stem in a circular motion, providing ease of operation. A precise and smooth degree of rotation ensures dependable valve control.
A2.The DN50 valve regulates and stops fluid movement through pipes by opening, closing, or partially allowing fluid to flow. It controls fluid movement to ensure smooth and efficient operational processes. The valve mechanism also maintains system pressure by providing resistance to fluid movement. This is vital for pressure maintenance and pressure relief.
A3.The color, material, actuation, seal, and certification of the DN50 valve preferences are considered when choosing it. They ensure that the shut-off valve performs effectively and safely in the anticipated application. The operational needs, fluid, and environmental conditions determine the most suitable factors for the DN50 shut-off valve.
A4.Yes, this valve is crucial for effectively managing and controlling fluid movement in industrial systems. They allow easy isolation for maintenance and safeguard against system failure. The valves are used in water treatment facilities, mining operations, HVAC systems, and the petrochemical, manufacturing, and pharmaceutical industries. In addition, they provide safety, efficiency, and operational reliability in those areas.
A5.Regular inspection, monitoring, hygienic maintenance, lubrication, and testing effectively maintain shut-off valves. These address wear-and-tear issues and contaminants while ensuring the valve consistently performs its functions. This maintenance routine also identifies potential problems early on, allowing for preventive measures and avoiding unexpected valve failure that can jeopardize business operations.
浙公网安备 33010002000092号
浙B2-20120091-4