20 Inch Slip On Flange (500 mm)
A 20 Inch Slip On Flange (500 mm) is a heavy-duty piping component designed to slide over the pipe and be secured with fillet welds on both the internal and external sides. It is widely used for its ease of installation, cost-effectiveness, and reliable sealing performance, making it ideal for low to medium pressure applications in large-diameter piping systems.
Manufactured in accordance with ASME B16.5 and ASTM standards, this flange provides excellent strength, dimensional accuracy, and long service life. The 20 inch (500 mm) size is commonly used in industries requiring very high flow capacity and strong structural integrity, such as oil & gas, petrochemical plants, water transmission systems, and power generation facilities.
Slip On Flanges are preferred in projects where quick installation, alignment flexibility, and reduced fabrication time are critical for efficiency and cost control.
Key Features
- Easy installation with precise alignment
- Double fillet welding for strong, leak-proof joints
- Cost-effective alternative to weld neck flanges
- Smooth bore for efficient fluid flow
- Suitable for low to moderate pressure applications
- Available in a wide range of materials and pressure classes






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