About Us

THE INVENTION OF GANGLINE

Protecting People, Property, and Profits 


Founded in 2012 by Bruce Hartin, owner and CEO of Trinity Sling Authority, the Gangline™ Pipe Restraint System was created to help limit pipe whip if a catastrophic failure occurs at a flowline or union connection. Drawing on his MBA and hands-on rigging experience, Hartin partnered with an outside engineer at a customer’s request for a lighter, faster-to-rig solution. The result is a modular, traceable restraint program built for modern pressure-pumping sites.

Based in Arlington, Texas, Trinity Sling has served the Dallas/Fort Worth region—and customers around the world—for more than 40 years. Hartin took the helm in 1999, continuing the family business his father founded and strengthening its focus on safety, service, and innovation. Today, Gangline™ is used by operators across the U.S., Alberta, and British Columbia, supported by training, inspection, and manufacturer recertification services.

As pressure-pumping technology evolves—from monolines to high-pressure frac hoses—Gangline™ continues to innovate so crews can rig in quickly, document inspections easily, and help protect people, property, and productivity.

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NOT YOUR NORMAL PIPE RESTRAINT SYSTEM

Gangline’s professionally-engineered design uses the highest quality materials to create the most durable temporary pipe restraint system on the market, offering end-to-end restraint of flow lines for all lengths of nine sections and swivels and joints.

Installing the Gangline system is easy since it consists of only two parts – restraints and shackles. It offers a lightweight yet high-strength installation solution for your peace of mind.

With the fastest assembly and disassembly times, Gangline saves valuable time and money up-front. The restraints are installed in a leap-frog configuration, and each pipe section is secured by the upstream and downstream sections of the pipeline in case of a failure. This type of layout creates a choke on either side of a rupture, reducing in-line flow line movement and lateral (whip) movement.

Peace of mind in the oil field and fracking work site business is about protecting your assets… people, property, and profit. Protect yours with the Gangline Pipe Restraint System.


THE GANGLINE TEAM

The Gangline team wants to help you keep your people, property, and profits safe. We have years of experience in the oil and gas industry and the expertise to help guide you to the best solutions for your jobsite.

Mike Betcher

Product Manager

Mike has 23 years of sales and management experience in the oil and gas segments. He has been involved in Gangline product growth, training, and customer support of operators in the Lower 48, Alaska, and Canada. Mike takes pride in helping his customers, no matter their company’s size, become more efficient and in sending their employees home safely each day.

Email: mbetcher@trinitysling.com
Phone: (432) 210-6515



Bobby Allen

Vice President of Sales & Operations

Bobby has more than 25 years of experience in the industrial sunniv business including construction, manufacturing, and oil field segments. He assisted in the Gangline System’s inception and was instrumental in the design and development phase. His work with numerous service providers to implement Gangline restraints in their pressure pumping operations resulted in satisfied and secure customers across North America.

Email: ballen@trinitysling.com
Phone: 817-589-2404

OWN YOUR GANGLINE SYStEM

The Gangline Pipe Restraint System makes oil and gas job sites safer. Trinity Sling Authority is so confident in The Gangline System that we provide product liability insurance with each system.

Ready to order your Gangline system? We’re ready to ship it out to you.

Order Yours Now