Isolation Plugs & Weld Testers

When maintenance and repairs are required to be carried out on a pipeline, specialised isolation tools can be used to isolate an area of pipework to enable this work to be carried out safely. This also removes the need to depressurise the line keeping downtime and costs to a minimum.

Low Pressure Pipe Plug

Low Pressure Pipe Plugs is used for sealing a pipeline at low pressure / gas seal. The plug features an inflatable polyurethane tyre that seals the pipe at low pressure. The plug seals are manufactured from high performance polyurethane elastomer whereas the body is manufactured from high grade carbon steel.

General Function and Application

■ Easy to install and remove
■ Non-standard sizes and pressures are available
■ Recommended for low pressure hydrostatic test applications up to 5 bar (Size dependent)
■ Proven polyurethane inflatable tyres
■ Available for horizontal or vertical applications
■ Tyres can be filled and pressurised using water or glycol/water mix
■ Recommended for low pressure hydrostatic test applications up to 5 bar (Size dependent).
■ Data Sheets available upon request

Medium Pressure Pipe Plug

Medium Pressure Pipe Plugs are used for pressure testing. It features the proven principle of the inflatable polyurethane tyre. Larger diameter plugs have the multi-tyre design – independent inflation systems. The seals are manufactured from high performance polyurethane elastomer. The body is manufactured from high grade carbon steel.

General Function and Application:

■ Easy to install and remove.
■ Non-standard sizes and pressures are available
■ Recommended for medium pressure hydrostatic test applications up to 10 bar (size dependent).
■ Proven polyurethane inflatable tyres.
■ Available for horizontal or vertical applications
■ Tyres can be filled and pressurised using water or glycol/water mix
■ Data Sheets available upon request

Twin Tyre Multi Plug

Twin Tyre Multi Plug is a simple, reliable and economical tool for providing positive and proven isolation before hot work commences. It is also capable of hydrostatically testing any new welds afterwards – being a significant cost saving.

The Twin Tyre Multi Plug is presently used at many UK and Europe Refineries.

General Function and Application:

■ Double isolation via two tyres
■ Central by-pass facility to vent gasses
■ Can hold up to 30 bar between tyres – 76.5 bar on request
■ Will hold a line pressure of 5 barg
■ Can be used in a range of pipe schedules
■ Provides a safe working environment
■ Instructions and hydrostatic test certificates supplied

High Pressure Elbow Plugs

High Pressure Elbow Plugs are recommended for hydrostatic test applications. High Pressure Elbow Plugs are used when a weld or join needs hydro testing, but no flanges are available. Temporary flanges or pipe caps can be welded to the pipe and removed after testing, however this is expensive and time consuming.

Using High Pressure Elbow Plugs eliminates the cost of material and reduces labour time.

General Function and Application
■ Available for horizontal and vertical applications
■ Hardened steel vice jaws
■ Standard test pressure of up to 230 bar
■ Hydraulically operated plugs available – size dependent
■ Larger by-pass facility available on request
■ Can be used in a range of pipe schedules.
■ Instructions and hydrostatic test certificates supplied
■ Patent Application – UK: 1221506.7 Europe: 12194838.4″

Twin Tyre Flexible Isolation Plug

Twin Tyre Flexible Isolation Plug is a simple, reliable and economical tool for providing positive and proven isolation before hot work commences. It can be installed horizontally or vertically and is even capable of negotiating a bend if the operator is working directly from an elbow

It is often difficult to create a safe environment for performing hot work on existing pipelines carrying hydro-carbon resources.

The Twin Tyre Flexible Isolation Plus is a simple, reliable and economical tool for providing positive and proven isolation before hot work commences.

It can be installed horizontally or vertically and is even capable of negotiating a bend if the operator is working directly from an elbow.

Flange Weld Testers

The Flange Weld Testers reduce the cost by carrying out localised pressure testing on new and existing flange welds and pipe components. Each test utilises a minimum amount of water. The body is manufactured from high grade carbon steel. The seals are manufactured from high performance polyurethane elastomer.

General Function and Application
■ Incorporates integral safety bypass port
■ Tools capable of carrying out horizontal, vertical
and inclined applications
■ Non-standard sizes available -please request information
■ No special tools required
■ Easy to install and remove
■ Self locating capability
■ Suitable for use with most test mediums
■ Can be used in a range of pipe schedules
■ Instructions & hydrostatic test certificates supplied

Internal Weld Tester

Internal Weld Testers reduce the cost by carrying out localised pressure testing on new and existing flange welds, butt joints and valve integrity. The body is manufactured from high grade carbon steel. The seals are manufactured from high performance polyurethane elastomer.

General Function and Application:

■Tools capable of carrying out horizontal, vertical and inclined applications • Non-standard sizes available – please request information
■ No special tools required
■ Easy to install and remove
■Self locating capability
■ Suitable for use with most test mediums
■ Seals made from ‘Poly A’ Shore Hardness 85°A see technical data sheet – iwt.001.2014
■ Can be used in a range of pipe schedules
■Instructions and hydrostatic test certificates supplied

High Pressure Elbow Plug

High Pressure Elbow Plugs are used when a weld or joint needs hydro testing but no flanges are available. Elbow Flange Weld Testers reduce the cost by carrying out localised pressure testing on new and existing flange welds and pipe components. Each test utilises a minimum amount of water. The body is manufactured from high grade carbon steel. The tyres are manufactured from high performance polyurethane elastomer.

General Function and Application
■ Tools capable of carrying out horizontal, vertical and inclined applications.
■ Non-standard sizes available – please request information.
■ No special tools required.
■ Easy to install and remove
■ Self locating capability
■ Suitable for use with most test mediums
■ Can be used in a range of pipe schedules
■ Instructions and hydrostatic test certificate supplied

Tank Nozzle Tester

Tank Nozzle Testers reduce the cost by carrying out localised pressure testing on new and existing branch outlet flanges and pipe components for hydrostatic test. Each test utilises a minimum amount of water. The body is manufactured from high grade carbon steel. The seals are manufactured from high performance polyurethane elastomer.

General Function and Application
■ Tools capable of carrying out horizontal, vertical and inclined applications.
■ Non-standard sizes available – please request Information.
■ No special tools required.
■ Easy to install and remove.
■ Manual or hydraulic actuation.
■ Suitable for use with most test mediums.
■ Can be used in a range of pipe schedules.
■ Instructions and hydrostatic test certificates supplied.

Internal Weld Tension Testers

Internal Weld Tension Testers reduce the cost by carrying out localised pressure testing on new and existing flange welds and pipe components. Each test utilises a minimum amount of water, lightweight and extremely versatile. Manufactured from high-grade carbon steel and the seals from high performance polyurethane elastomer.

General Function and Application

■ Qualifies to ASME 100% (Full load test)
■ Incorporates both Hoop and End-cap effects
■ Interchangeable flange options
■ Extendable/telescopic setting facility
■ Extends the fatigue life of the weld
■ Reduces the residual weld tensions
■ Instructions & hydrostatic test certificates supplied