
Flanges
- Available in sizes ½" through 72"
- ASME pressure classes 150 to 2500
- Flexible rent or purchase options
Explore 3 Slip-On Stainless Steel Flanges for industrial piping, pipeline applications, hydrostatic testing, petrochemical projects, construction, welding, and maintenance. Twinco Industrial offers flange solutions with ASME B16 Series and API standards, multiple pressure classes, rental or purchase options, and inventory supporting routine maintenance through critical projects.


A 3 flange refers to a flange intended for a nominal pipe size of 3 inches. The required outside diameter, bolt pattern, pressure class, and bore depend on the applicable standard and configuration. Confirm the pipe specification, flange type, material, and pressure requirements before ordering to ensure the component matches the connected piping system.
Talk to our experts for custom solutions and tailored guidance.

Supports pipeline connection, testing, construction, and maintenance work requiring specified flange configurations and pressure classes.

Used in industrial piping assemblies where compatible flange dimensions, materials, standards, and pressure classes are required.

Provides piping connection components for petrochemical construction, fabrication, maintenance, and project procurement activities.

Supports pressure testing and isolation setups using flange products selected for the testing configuration and specifications.
Talk to our experts for custom solutions and tailored guidance.
Access slip-on and other flange types in stainless steel and additional materials, with options suited to varied piping and project requirements.
Choose rental or purchase options for maintenance, testing, construction, and industrial projects while keeping procurement aligned with project needs.
Since 1977, Twinco Industrial has supported petrochemical, pipeline, construction, testing, and maintenance customers with responsive product guidance.
Submit your requirements for product guidance, availability, and a quote covering the flange specifications and procurement option that fit your application.
For immediate assistance, feel free to give us a direct call at +1 713-733-8946. You can also send us a quick email at info@twincoindustrial.com.
For immediate assistance, feel free to give us a direct call at +1 713-733-8946. You can also send us a quick email at info@twincoindustrial.com.