Carbon Steel Slip On Flange

A Carbon Steel Slip On Flange is a type of flange that allows the pipe to slip inside the flange before welding. It is widely used in various industries due to its ease of installation, cost-effectiveness, and strong mechanical performance.

Specifications & Features:

Material Grades:

• ASTM A105 (Forged Carbon Steel)
• ASTM A350 LF2 (Low-Temperature Carbon Steel)
• ASTM A516 Gr. 70 (Pressure Vessel Steel)
• ASTM A694 (High-Yield Strength Carbon Steel)

Design & Standards:

• ANSI / ASME B16.5 (For Pipe Flanges up to 24 inches)
• ANSI / ASME B16.47 (For Large Diameter Flanges)
• DIN, EN, JIS, BS, GOST, IS, and other international standards available

Sizes Available:

• Nominal Pipe Size (NPS): 1/2″ to 60″
• Pressure Ratings:
  • Class 150
  • Class 300
  • Class 400
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500
  • PN6, PN10, PN16, PN25, PN40, PN64

Key Features:

• Slip-on design for easy alignment and welding
• Lower installation cost compared to weld neck flanges
• Available in raised face (RF), flat face (FF), and ring-type joint (RTJ) configurations
• Suitable for low-pressure and moderate-temperature applications
• High mechanical strength and corrosion resistance (can be coated or galvanized)

Applications:

• Oil & Gas Industry – Used in pipelines and refineries
• Petrochemical & Chemical Plants – Handling corrosive substances
• Power Plants – Used in steam, gas, and water pipelines
• Water Treatment Plants – Piping systems for water flow control
• Pharmaceutical & Food Processing – Hygienic pipeline connections

Surface Treatment Options:

• Black Painted – Prevents rust during transportation & storage
• Hot-Dip Galvanized (HDG) – Corrosion-resistant for outdoor & marine use
• Anti-Rust Oil Coated – Protects against oxidation
• Electroplated Zinc Coating – Provides additional durability