Double Seal Purging Kit

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Double Seal Silicone Purging Kit

Double Seal Purging Kit

Experience unparalleled quality and efficiency with the Key Plant Double Seal Purging Kit — the pinnacle solution for applications demanding superior end results. This kit stands out, especially in the Nuclear industry, and excels in welding exotic materials like titanium.

The Double Seal Purging Kit is engineered for optimal performance, showcasing a track record of significantly reducing production time while simultaneously cutting down on gas and labor costs. With typical purge times clocking in at less than two minutes, this kit ensures a swift, reliable, and cost-effective purging process.

  • Size Range: ¾ – 12″ (16 – 320mm)
  • High quality silicone discs
  • Guaranteed air tight sealing
  • UV and temperature resistant up to 320°C
  • Ideal for purging pipes, elbows, bends and fittings
  • Double seal systems are available individually, or in kits

Spec Sheet Available on Request.

Buy, Hire and Lease

Our products are available for both purchase and rental, offering flexibility to meet your specific needs.

Comprehensive Stocks

We maintain comprehensive stocks to ensure the availability of the equipment you require when you need it.

Special Builds

If you have unique requirements, we offer special design options tailored to your specific requests.

How it works.

The inlet and outlets have twin sealing discs joined by a flexible or rigid connector. Purging gas is diffused into the weld chamber, air exits through the secondary twin disc unit. The even flow of gas reduces turbulence and the risk of oxygen in the welding chamber.

Diagram showing how the double seal silicone purging kit works


Part No.Pipe I/D RangeConnector OptionsConnector Lengths
KPDS16-1916 – 19mmFlex100mm
KPDS19-2419 – 24mmFlex100mm
KPDS24-2924 – 29mmFlex100mm
KPDS29-3429 – 34mmFlex100mm
KPDS34-3834 – 38mmFlex100mm
KPDS38-4338 – 43mmFlexible and Rigid120/60mm
KPDS43-4843 – 48mmFlexible and Rigid120/60mm
KPDS47-5347 – 53mmFlexible and Rigid120/60mm
KPDS52-5852 – 58mmFlexible and Rigid120/60mm
KPDS64-7264 – 72mmFlexible and Rigid120/60mm
KPDS78-8678 – 86mmFlexible and Rigid120/60mm
KPDS90-10190 – 101mmFlexible and Rigid150/100mm
KPDS100-112100 – 112mmFlexible and Rigid150/100mm
KPDS120-130120 – 130mmFlexible and Rigid150/100mm
KPDS124-138124 – 138mmFlexible and Rigid150/100mm
KPDS144-155144 – 155mmFlexible and Rigid150/100mm
KPDS150-165150 – 165mmFlexible and Rigid150/100mm
KPDS197-206197 – 206mmFlexible and Rigid150/100mm
KPDS209-220209 – 220mmFlexible and Rigid150/100mm
KPDS246-257246 – 257mmFlexible and Rigid150/100mm
KPDS260-280260 – 280mmFlexible and Rigid150/100mm
KPDS290-320290 – 320mmFlexible and Rigid150/100mm
KPDSK16-16516 – 165mmComplete Kit120/60 150/100mm
KPDSK16-22016 – 220mmComplete Kit120/60 150/100mm
KPDSK16-32016 – 320mmComplete Kit120/60 150/100mm