ASTM A105 Slip-On Flange, ASME B16.5, 4 Inch, 150 LB

Key Specifications / Features

ASTM A105 Slip-On Flange Plant offers high-quality ASME B16.5 SO Flanges designed for reliable and durable industrial piping connections. Manufactured from ASTM A105 forged carbon steel, these 4 Inch, DN100 slip-on flanges are rated at 150 LB and suitable for PN6-PN20 pressure applications. Featuring a raised face sealing surface, they provide secure gasket contact and dependable leak prevention. The black surface painting enhances corrosion protection and improves resistance to environmental exposure, extending service life in demanding conditions. These slip-on flanges are widely used in oil and gas, petrochemical, chemical, power generation, water treatment, and general industrial piping systems.

Detail Information

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Product Name: Slip-On Flange (SO Flange)
Flange Type: SO (Slip-On)
Sealing Surface: RF (Raised Face)
Standard: ASME B16.5
Material: ASTM A105
Size: 4 Inch
Pressure Rating: Class 150 LB
Surface Treatment: Black painting

Product Description

Slip-On (SO) flange per ASME B16.5, material ASTM A105, Size: 4 inch, Class 150 LB, with Raised Face (RF) sealing surface. Surface finish: black painting for corrosion protection. Designed for easy alignment and welding onto pipe ends.

Typical Application

Widely used in general industrial piping systems including oil & gas transmission, chemical processing, water treatment, and fire protection systems, where reliable flange connections under 150 LB pressure rating are required.

SO Flange

RF SO Flange

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