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JNT Products

Array of Plugs
Torq N' Seal Signature Tube Plug

Our Signature tube plug is the standard model Torq N' Seal® high pressure tube plug. This plug can be inserted to any depth of the tube / tube sheet and can be installed by hand, providing unmatched flexibility and ease of use. These plugs are rated up to 6,500 psi and have been...Read More

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Nuclear Section III Plugs

JNT Technical Services Inc. through its licensee TW Metals, custom manufactures the patented Torq N’ Seal® and Torq N’ Seal Sec3® heat exchanger tube plugs for the nuclear power industry. JNT’s licensee maintains ASME Certificate of Authorization N-2928. They custom...Read More

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Canadian Certified Plugs

JNT manufactures Torq N' Seal® plugs to meet all relevant specifications, including Canadian standards such as ABSA and TSSA. We can provide full material traceability and are the only heat exchanger tube plug with a CRN number for Alberta, Ontario, and New Brunswick / Nova Scotia. Please enquire with us for more information.Read More

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Tubesheet & Fin Fan Cooler

Fin-fan coolers have their tube sheets located in a water box on the front of the unit. The box has hand access holes located opposite all of the tubes, however, the access hole may be 6 – 12” from the face of the tube sheet. In the past, plugging leaking tubes has always been difficult...Read More

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Installation Instructions

Here you can find installation instructions and other information relevant to working with Torq N' Seal® tube plugs.Read More

Removal Procedure
Removal Procedure

Here you can find our procedure for removing plugs after they have served their purpose. Give us a call today to discuss your options.Read More

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Tips and Tricks

Here you can find some useful hints that we have learned throughout our 35+ years of working in the Power, Oil & Gas, and Chemical industries on heat exchanger projects.Read More

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Mechanical Condenser Plug

Our signature tube plug is the standard model Torq N' Seal® high pressure tube plug. This plug can be inserted to any depth of the tube / tube sheet and can be installed by hand, providing unmatched flexibility and ease of...Read More

Elastomer Condenser Plugs
Elastomer Condenser Plugs

The Torq N' Seal® - Elastomer Condenser Plug (TNS- ECP) utilizes a proprietary (EPDM) ethylene propylene elastomer compound, combined with a patented plug design to reliably seal leaking condenser and low pressure heat exchanger tubes...Read More

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Bull Nose Condenser Plug

Torq'N Seal® condenser plugs are economical low pressure plugs designed specifically for heat exchangers that operate at a moderate temperature up to 275 degrees F and pressures of approximately 150 PSI...Read More

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Small Diameter Tube Plug

The Torq N' Seal® Small Diameter Test Plugs are for those rare occasions where lower pressures meet smaller tubes. These plugs are the perfect economical solution when you simply can't find a plug small enough to fit your requirements.Read More

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Installation Instructions

Here you can find installation instructions and other information relevant to working with Torq N' Seal® tube plugs.Read More

Removal Procedure
Removal Procedure

Here you can find our procedure for removing plugs after they have served their purpose. Give us a call today to discuss your options.Read More

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What to Watch Out For

Here you can find some useful hints that we have learned throughout our 35+ years of working in the Power, Oil & Gas, and Chemical industries on heat exchanger projects.Read More

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Boiler Tube Plugs

We stock Boiler Tube Plugs in 2" and 2.5", but can make them in any size you require. Standard material is A36 Carbon Steel. These are your classic Bang 'Em Home type plugs, which can be welded into place if necessary.Read More

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Tapered Pins

JNT Technical Services Inc. offers a wide range of tapered pins in Brass, Carbon Steel, and 316 Stainless Steel. However, we can also manufacture almost any material to your exact specification. Give us a call today to determine the best option for your application.Read More

What We Do

JNT Technical Services, Inc. is the sole manufacturer of the Torq N’ Seal® line of Heat Exchanger Tube Plugs. JNT has a rich history of over 35 years serving the Power, Oil and Gas, and Chemical Industries in a variety of capacities. The Torq N’ Seal® line spans the full range of tube plugging applications, from our high pressure Signature plugs tested up to 10,000 psi! All the way to our Low Pressure / Condenser plugs and even Tapered Pins. We maintain a large inventory across all common sizes and materials, so we can quickly respond with the right solution for a demanding field where downtime is costly and difficult to plan for. Additionally, our ISO:9001 certified machine shop has the expertise and manpower to quickly design and make custom solutions. There is always a Torq N’ Seal® plug that’s right for you, regardless of your particular application.

Please contact us today at 201-641-2130 / sales@jnt-tech-serv.com for more information or to request a quote. Or you can check out our Plug Selector to help find a solution that works for you!

JNT Technical Services, Inc. additionally offers a line of Infra-View® Infrared Boiler Thermometers for monitoring Flue Gas temperatures, Porta-Safe® Custom Temporary Power Solutions, and ESCO® Tube/Pipe Cutting Tools. We also design custom engineering solutions, come to us with your problems and we will help you locate the correct product or solution for you! Click read more below for more information about JNT Technical Services, Inc.

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What We Do

Torq N' Seal Applications

Refinery Process Heat Exchanger

Torq N’ Seal® is frequently used in the Oil & Gas industry to remove leaking tubes from service and for capacity reduction projects. The ease of installation makes Torq N’ Seal® the perfect solution for both small and large projects. We also have extensive experience working with offshore oil rigs where we have developed a number of custom solutions.

Hydrogen Cooler / Main Steam Condenser

Torq N’ Seal® Elastomer Condenser Plugs are the perfect solution for any low temperature and pressure applications such as condensers and hydrogen coolers. They are extremely economical and installed simply by hand, installation tools are provided with every order. We have installations across the country and would love the opportunity to discuss the labor, budget, and process saving solution that is Torq N’ Seal®!

High Pressure / Feedwater Heater

Our Signature Torq N’ Seal® tube plug is rated to 6,500 psi and has been tested to over 10,000 psi! There is not a more capable plug in the world AND installation could not be more simple. All you need is a standard 3/8″ drive torque wrench, everything else is included! No special training or tooling required, give us a call today to see how Torq N’ Seal® can save you time and money on your next outage while providing unparalleled peace of mind.

Lube Oil Cooler

Just another example application where the Torq N’ Seal® line of heat exchanger tube plugs can add significant value. Whether you are in the Power, Oil & Gas, or Chemical industries, we have a solution that will fit your needs (and tubes)!

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