PHMSA, ZEVAC Cindy Kerr PHMSA, ZEVAC Cindy Kerr

ZEVAC - eliminate venting and blowdowns

The updated ZEVAC Twin is now lighter, faster and more versatile ideal for pigging to distribution operations. The updated ZEVAC Quad offers more versatility at different drawdown pressures.

ZEVAC is an innovation that helps operators eliminate venting and blowdowns and demonstrate meaningful progress toward NET ZERO targets.

Download ZEVAC TWIN SPECS

The updated ZEVAC Twin is now lighter, faster and more versatile.



The updated ZEVAC Quad offers more versatility at different drawdown pressures.

Download ZEVAC QUAD Specs

The team at Kerr is happy to assist you with ZEVAC and other products or solutions.


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TDW Cindy Kerr TDW Cindy Kerr

TDW pigs & components next day

Through TDW Access, select Pigs and components are in stock and will ship next day. Sizes range from 4 to 24 inches, depending on pig type. Products included are: OPTIONALL™, VANTAGE® V, Brush or magnet pigs and REDSKIN™ foam pigs.

in stock and ready to ship the next business day*.

TDW has select Pigs and components in sizes ranging from 4 to 24 inches, depending on pig type.

TDW Access carries a selection of Quick-Ship Pigs that are in stock.

  • OPTIONALL™

  • VANTAGE® V

  • Brush or magnet pigs

  • REDSKIN™ foam pigs

The site also includes

  • Pig Sigs

  • Closures/ Closure O Rings

  • Components

  • Sealing Elements

*Applies to select pigs and components. Items ordered by 3 p.m. CT will ship the next business day.

You can of course contact Kerr and continue to order from us.


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Natural Gas, TDW Cindy Kerr Natural Gas, TDW Cindy Kerr

EGCR & Industry Events May & June 2022

Join the KERR team at the upcoming 2022 Pipeline Operations & Natural Gas industry events: May 3-5 Eastern Gas Compression Roundtable in Pittsburgh, PA; May 10-12 AUCSC in Morgantown, West Virginia.


Join the KERR team at the upcoming 2022 Pipeline Operations & Natural Gas industry events: Click on each link below to learn more about the events.

May 3-5 Eastern Gas Compression Roundtable in Pittsburgh, PA. EGCR provides the Natural Gas Industry with high quality, cost-effective education via targeted, industry-specific training programs for entry-level through advanced educational needs.

May 10-12 AUCSC Appalachian Underground Corrosion Short Course in Morgantown, West Virginia. The three-day Short Course provides high-quality presentations on the practical and theoretical aspects of the causes and prevention of corrosion on underground structures. Specific topics include instrumentation, corrosion surveys, cathodic protection, pipe coatings and various methods of corrosion control.

June 2-3 Energy Association of PA - Mid Atlantic Gas Transmission & Distribution Seminar & Expo Camp Hill, PA

June 6-10 Northeast Gas Association Smithfield, RI


Kerr Engineered Sales Company has been representing leading pipeline repair and performance companies in Eastern US since the company was founded in 1952. Seventy years later, the company is still a family run business serving customers with the highest quality service and support.

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Gaskets Cindy Kerr Gaskets Cindy Kerr

GPT EVOLUTION® Isolation Gasket Redesigned

Improved gasket has a tougher coating and sleek design delivers unprecedented resistance to leakage and flange corrosion with the highest levels of fire safety and isolation.

Maintaining pipeline integrity and keeping emissions in check has never been more important.

The GPT Evolution gasket is improved with a tougher coating and sleek design without a handle. GPT laser etches directly onto this coating; the coating thickness has been doubled to avoid the risk of holidays. 

The Evolution® is a fully-encapsulated isolation gasket that delivers the impermeable performance needed to prepare any flange for the increasing risks found in today’s oil and gas industry. The thinner, 1/8” (3mm) design minimizes the difficulties often encountered while attempting to install thicker isolating gaskets. Total encapsulation allows the gasket to be hydro-tested and kept in the pipeline with virtually no loss in isolation properties. No more permeation issues or chemical attacks that plagues GRE gaskets. This innovative gasket is coated using a GPT proprietary material designed specifically for the oil and gas industry that is extremely abrasion and impact resistant.

The new look Evolution gaskets have the revolutionary materials and design providing industry-leading resistance to leakage and flange corrosion, as well as unprecedented levels of fire safety and isolation.

GPT will supply a tag with the size/class/schedule/product style with lot # and part # with each gasket. A “zip tie” is included to connect the tag to the sleeve or flange nut.  The external ability to identify the type, size and class of gasket contained within the flange is popular. GPT will continue this benefit with the handle free version of Evolution.


GPT Evolution Gasket

Product Highlights

  • Passed API 6FB fire testing in multiple sizes and pressure classes and has a considerable increase in operating temperature over GRE products

  • Revolutionary materials and design provides industry-leading resistance to leakage and flange corrosion, as well as unprecedented levels of fire safety

  • Rated to 500°F (260°C)*, EVOLUTION® can also operate under high temperatures

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