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20 Inch Slip On Flange

Parameter Specification
Product Name 20 Inch Slip On Flange
Nominal Size 20 Inch (DN500 / 500 mm)
Type Slip On (SO) Flange
Standard ASME B16.5, ASTM A105, ASTM A182
Pressure Class Class 150, 300, 600, 900, 1500, 2500
Material Grades Carbon Steel: ASTM A105, A350 LF2
Stainless Steel: ASTM A182 F304, F304L, F316, F316L
Alloy Steel: ASTM A182 F11, F22, F91
Duplex Steel: ASTM A182 F51, F60
Super Duplex Steel: ASTM A182 F53, F55
Facing Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Connection Type Slip On (Fillet Weld – Internal & External)
Manufacturing Forged & CNC Machined
Surface Finish Anti-rust Oil, Black Paint, Galvanized
Inspection & Testing PMI, UT, Hydrostatic Testing, Visual Inspection
Corrosion Resistance Excellent (depends on selected material grade)
Application Oil & Gas, Petrochemical, Chemical, Water Treatment, Power Plants
Origin India (Export Quality)

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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