WOI® produces a complete line of ASME/MSS SP97 Branch Connections (Branchettes®) in over 40 grades of steel. We produce an array of products for a wide variety of industries and applications, including Pipeline, Power Plants, Refinery/Chemical, Shipbuilding, Food & Beverage, Pulp & Paper, Pharmaceuticals and Commercial HVAC Systems.

Learn about WOI's commitment to quality and our ability to provide quality steel piping components even on a tight schedule.

Access WOI's contact information and fill out our contact form to get in touch with Welding Outlets, Inc. in Houston, TX today.

WOI is a world class leader in the design, manufacturing and testing of Integrally Reinforced branch connections. Call us for your next branch connection requirements or a solution to your special problem.

At WOI, our product quality is second to none and our ability to deliver on short timelines rivals the best in the industry. Explore our products here.

Integrally Reinforced Branch Connections designed in accordance with MSS SP-97. The WOI Branchette® is available in Butt-Weld, Socket-Weld and Threaded (NPT) configurations. The Butt-Weld Branchette® is available up to nominal size 72 in. and the Socket-Weld and Threaded Branchettes® are available up to nominal size 4 in.

The Nipple Branchette® is an integrally reinforced branch outlet fitting that combines WOI's Butt Weld Branchette and a pipe nipple. The nipple portion of the fitting can be provided as plain, threaded (NPT) or beveled.

WOI now offers more options for fittings and flanges on a quick rush emergency basis. WOI is a certified Woman-owned U.S. manufacturer of quality branch connections and specialty engineered products. For over 20 years, our company has provided a wide variety of products for use in many different sectors and industries.

WOI is a certified Woman-owned U.S. manufacturer of quality branch connections and specialty engineered products. For over 20 years, our company has provided a wide variety of products for use in many different sectors and industries.

Global Certifications (Click to view certificate.) • ISO 9001 - 2015 (HSB Registration Services) • PED (HSB IE) • NSF / ANSI 61, 372 - NSF International Canadian...