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A PP Flange is an industrial-grade pipe fitting made from high-quality polypropylene, designed to connect pipes (PP, PPR, HDPE) to valves, pumps, or other flanged equipment. Unlike traditional metal flanges, this polypropylene flange offers a lightweight, corrosion-resistant alternative, tailored for harsh industrial environments where durability and reliability are non-negotiable. It serves as a critical link in piping systems, enabling easy assembly and disassembly for maintenance.
The primary role of the PP Flange is to create a secure, leak-proof connection between pipes and equipment in industrial settings. It allows for the connection of pipes with different diameters, bridging gaps between components to ensure smooth fluid transport. Its design facilitates quick installation and removal, making it ideal for systems that require regular maintenance or upgrades. Additionally, it acts as a barrier against leaks, protecting equipment and the environment from fluid spills.
SIZE | PCS/CTN | WEIGHT | MEASURE(mm) | ||
40x1-1/2" 50x1-1/2" 50x2" 63x2" 63x2-1/2" 75x2-1/2" 75x3" 90x3" 90x4" 110x4" | 16 16 16 16 12 6 6 6 6 6 | 370 460 520 710 775 850 971 1242 1378 1994 | 50 50 52 55 47 48 51 54 57 60 | 28 28 30 30 33 34 36 36 40 40 | 29 29 34 41 41 23 23 24 25 27 |
Crafted from high-purity polypropylene, the PP Flange offers exceptional durability and resistance to wear. The material is chosen for its ability to withstand chemical exposure, temperature fluctuations, and pressure, making it suitable for harsh industrial conditions. Unlike metal flanges, it is rust-free, eliminating the risk of corrosion-related failure.
A key advantage of this flange is its excellent corrosion resistance, withstanding a wide range of chemical media— including acids, alkalis, and solvents— common in chemical, pharmaceutical, and food industries. It also delivers reliable heat resistance, operating stably within a broad temperature range. Additionally, it exhibits pressure resistance, maintaining structural integrity even in high-pressure piping systems.
The PP Flange features a precision-engineered sealing surface that, when paired with bolts and gaskets, delivers airtight sealing performance. This prevents leakage, even in systems transporting volatile or hazardous fluids. It is lightweight and easy to handle, simplifying installation compared to heavy metal flanges. The flange’s design allows for even bolt tightening (in a cross pattern), ensuring uniform pressure and a secure seal.
Compared to metal flanges, the PP Flange is more cost-effective, offering long-term value through its durability and low maintenance needs. It is environmentally friendly, made from recyclable materials with no harmful coatings or additives. Its rust-free nature also reduces waste, as it does not degrade over time like metal alternatives.
In chemical plants and pharmaceutical facilities, the PP Flange is widely used to connect pipes transporting chemicals, solvents, and pharmaceutical ingredients. Its corrosion resistance and chemical resistance make it ideal for these environments, where exposure to aggressive substances is constant. It ensures safe, leak-free transport, protecting workers and equipment.
The flange is integrated into municipal water supply and drainage systems, as well as sewage treatment plants. Its corrosion resistance withstands exposure to wastewater, chemicals, and environmental elements, while its sealing performance prevents leaks that can contaminate water sources. It is also used in irrigation projects, connecting pipes that deliver water to agricultural fields.
In food and beverage plants, the PP Flange is used to connect pipes transporting ingredients, cleaning agents, and finished products. Its non-toxic and corrosion-resistant properties ensure compliance with food safety standards, preventing contamination. It is easy to clean and maintain, making it suitable for hygienic environments.
Across manufacturing facilities, the PP Flange connects pipes transporting coolants, lubricants, and other industrial fluids. Its pressure resistance and durability make it suitable for high-demand applications, ensuring uninterrupted fluid flow that supports production processes. It is also used in oil and gas auxiliary systems, where corrosion resistance is critical.
The PP Flange is designed to be compatible with PP, PPR, and HDPE pipes, as well as standard flanged equipment (valves, pumps, tanks). It supports connections between pipes of different diameters, offering flexibility in system design. The flange’s bolt holes are precision-machined to match industry standards, ensuring compatibility with standard bolts and gaskets.
Despite its lightweight design, the flange offers impressive structural strength, thanks to its reinforced polypropylene construction. It can withstand the mechanical stress of bolt tightening and system pressure without warping or cracking. The lightweight build simplifies handling, reducing installation time and labor costs compared to heavy metal flanges.
The sealing surface of the PP Flange is machined to a smooth finish, ensuring maximum contact with gaskets. This precision design enhances sealing efficiency, preventing leakage even in high-pressure or high-temperature environments. The flange’s design also allows for easy replacement of gaskets, simplifying maintenance.
The flange works with standard gaskets made from materials like EPDM, nitrile, or PTFE. Choose a gasket material compatible with the fluid being transported— for example, EPDM for water-based fluids or PTFE for chemical-resistant applications.
Yes! It is weather-resistant and corrosion-resistant, making it suitable for outdoor piping systems such as sewage treatment plants, irrigation projects, or exterior industrial lines. Its durable construction withstands UV exposure and temperature fluctuations.
Clean the pipe end and flange sealing surface, slide the flange and gasket onto the pipe, align the flange with the mating equipment’s flange, insert bolts evenly, and tighten in a cross pattern (gradually increasing torque) to ensure uniform pressure. Perform a leak test before commissioning the system.
Yes. It operates stably within a broad temperature range, typically between 0°C and 90°C, making it suitable for hot fluid systems such as industrial heating or chemical processing. Always check the specific temperature limits for your application.
With proper installation and maintenance, the PP Flange offers a long service life— often decades— thanks to its corrosion resistance, durability, and rust-free design. It requires minimal maintenance, only needing occasional gasket replacement or bolt tightening.
A PP Flange is an industrial-grade pipe fitting made from high-quality polypropylene, designed to connect pipes (PP, PPR, HDPE) to valves, pumps, or other flanged equipment. Unlike traditional metal flanges, this polypropylene flange offers a lightweight, corrosion-resistant alternative, tailored for harsh industrial environments where durability and reliability are non-negotiable. It serves as a critical link in piping systems, enabling easy assembly and disassembly for maintenance.
The primary role of the PP Flange is to create a secure, leak-proof connection between pipes and equipment in industrial settings. It allows for the connection of pipes with different diameters, bridging gaps between components to ensure smooth fluid transport. Its design facilitates quick installation and removal, making it ideal for systems that require regular maintenance or upgrades. Additionally, it acts as a barrier against leaks, protecting equipment and the environment from fluid spills.
SIZE | PCS/CTN | WEIGHT | MEASURE(mm) | ||
40x1-1/2" 50x1-1/2" 50x2" 63x2" 63x2-1/2" 75x2-1/2" 75x3" 90x3" 90x4" 110x4" | 16 16 16 16 12 6 6 6 6 6 | 370 460 520 710 775 850 971 1242 1378 1994 | 50 50 52 55 47 48 51 54 57 60 | 28 28 30 30 33 34 36 36 40 40 | 29 29 34 41 41 23 23 24 25 27 |
Crafted from high-purity polypropylene, the PP Flange offers exceptional durability and resistance to wear. The material is chosen for its ability to withstand chemical exposure, temperature fluctuations, and pressure, making it suitable for harsh industrial conditions. Unlike metal flanges, it is rust-free, eliminating the risk of corrosion-related failure.
A key advantage of this flange is its excellent corrosion resistance, withstanding a wide range of chemical media— including acids, alkalis, and solvents— common in chemical, pharmaceutical, and food industries. It also delivers reliable heat resistance, operating stably within a broad temperature range. Additionally, it exhibits pressure resistance, maintaining structural integrity even in high-pressure piping systems.
The PP Flange features a precision-engineered sealing surface that, when paired with bolts and gaskets, delivers airtight sealing performance. This prevents leakage, even in systems transporting volatile or hazardous fluids. It is lightweight and easy to handle, simplifying installation compared to heavy metal flanges. The flange’s design allows for even bolt tightening (in a cross pattern), ensuring uniform pressure and a secure seal.
Compared to metal flanges, the PP Flange is more cost-effective, offering long-term value through its durability and low maintenance needs. It is environmentally friendly, made from recyclable materials with no harmful coatings or additives. Its rust-free nature also reduces waste, as it does not degrade over time like metal alternatives.
In chemical plants and pharmaceutical facilities, the PP Flange is widely used to connect pipes transporting chemicals, solvents, and pharmaceutical ingredients. Its corrosion resistance and chemical resistance make it ideal for these environments, where exposure to aggressive substances is constant. It ensures safe, leak-free transport, protecting workers and equipment.
The flange is integrated into municipal water supply and drainage systems, as well as sewage treatment plants. Its corrosion resistance withstands exposure to wastewater, chemicals, and environmental elements, while its sealing performance prevents leaks that can contaminate water sources. It is also used in irrigation projects, connecting pipes that deliver water to agricultural fields.
In food and beverage plants, the PP Flange is used to connect pipes transporting ingredients, cleaning agents, and finished products. Its non-toxic and corrosion-resistant properties ensure compliance with food safety standards, preventing contamination. It is easy to clean and maintain, making it suitable for hygienic environments.
Across manufacturing facilities, the PP Flange connects pipes transporting coolants, lubricants, and other industrial fluids. Its pressure resistance and durability make it suitable for high-demand applications, ensuring uninterrupted fluid flow that supports production processes. It is also used in oil and gas auxiliary systems, where corrosion resistance is critical.
The PP Flange is designed to be compatible with PP, PPR, and HDPE pipes, as well as standard flanged equipment (valves, pumps, tanks). It supports connections between pipes of different diameters, offering flexibility in system design. The flange’s bolt holes are precision-machined to match industry standards, ensuring compatibility with standard bolts and gaskets.
Despite its lightweight design, the flange offers impressive structural strength, thanks to its reinforced polypropylene construction. It can withstand the mechanical stress of bolt tightening and system pressure without warping or cracking. The lightweight build simplifies handling, reducing installation time and labor costs compared to heavy metal flanges.
The sealing surface of the PP Flange is machined to a smooth finish, ensuring maximum contact with gaskets. This precision design enhances sealing efficiency, preventing leakage even in high-pressure or high-temperature environments. The flange’s design also allows for easy replacement of gaskets, simplifying maintenance.
The flange works with standard gaskets made from materials like EPDM, nitrile, or PTFE. Choose a gasket material compatible with the fluid being transported— for example, EPDM for water-based fluids or PTFE for chemical-resistant applications.
Yes! It is weather-resistant and corrosion-resistant, making it suitable for outdoor piping systems such as sewage treatment plants, irrigation projects, or exterior industrial lines. Its durable construction withstands UV exposure and temperature fluctuations.
Clean the pipe end and flange sealing surface, slide the flange and gasket onto the pipe, align the flange with the mating equipment’s flange, insert bolts evenly, and tighten in a cross pattern (gradually increasing torque) to ensure uniform pressure. Perform a leak test before commissioning the system.
Yes. It operates stably within a broad temperature range, typically between 0°C and 90°C, making it suitable for hot fluid systems such as industrial heating or chemical processing. Always check the specific temperature limits for your application.
With proper installation and maintenance, the PP Flange offers a long service life— often decades— thanks to its corrosion resistance, durability, and rust-free design. It requires minimal maintenance, only needing occasional gasket replacement or bolt tightening.
