3-1/2" Class 300 Weld Neck Flange - Weldbend Corp

The 3-1/2" Class 300 Weld Neck Flange by Weldbend Corp is designed for high-pressure applications, ensuring a strong and secure connection. Made from premium materials, this flange meets ANSI/ASME B16.5 standards, making it compatible with various piping systems. The weld neck design minimizes turbulence and enhances flow efficiency, making it ideal for use in oil and gas, chemical processing, and water treatment industries. This flange is built to withstand demanding environments, providing long-lasting performance.

Description

Weldbend® Weld Neck Flange, Flat Face, 3-1/2 in Nominal, 3.55 in Inside Dia, 1.12 in Thickness, SCH 40/STD Bore, 7-1/4 in Bolt Circle, 8 Bolt Holes, 7/8 in, 9 in Outside Dia, 740 psig, 300 lb, -20 to 100 deg F, 5-1/4 in Hub Dia, 3.13 in Length Through Hub, Forged Carbon Steel, 4 in Dia Weld, Domestic

Standards/Approval:

• ASME SA105/B16.5
• ASTM A105

Warranty:

1 Year Limited

Bolt Circle Diameter	7-1/4 in
Bolt Hole Size	7/8 in
Bore Size	SCH 40/STD
Dimensions	4 in Dia Weld
Domestic/Import	Domestic
Hub Diameter	5-1/4 in
Inside Diameter	3.55 in
Length Through Hub	3.13 in
Material	Forged Carbon Steel
Nominal Size	3-1/2 in
Number of Bolt Holes	8
Outside Diameter	9 in
Pressure Class	300 lb
Pressure Rating	740 psig
Temperature Rating	-20 to 100 deg F
Thickness	1.12 in
Type	Flat Face
Manufacturer	Weldbend®