K Series Double Seal Purge System - Heat Resistant to 330°C (Pipe ID 16–320mm)
- Silicon double seal purge system with twin sealing discs and flexible or rigid connector options
- Heat resistant to 330°C; UV resistant silicon sealing discs guarantee gas-tight seal
- Typical purge times less than 2 minutes reduce gas and labour costs
- Suitable for purging pipes, elbows, and fittings; available in multiple sizes
- Specify FLEX or RIGID connector when ordering

Silicon Double Seal Purging System
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.
Features & Advantages
- Typical purge times of less than 2 minutes
- High-quality silicon sealing discs
- Guaranteed gas-tight seal
- UV and temperature resistant up to 330ºC
- Suitable for purging pipes, elbows, and fittings
- Can be used as gas fingers and pipe stoppers
- Double Seal Systems increase productivity and reduce labour costs
How it Works

| Part No. | Pipe I/D Range (mm) | Connector Options | Connector Lengths (mm) |
|---|---|---|---|
| KDS16-19 | 16 – 19mm | Flex | 100mm |
| KDS19-24 | 19 – 24mm | Flex | 100mm |
| KDS24-29 | 24 – 29mm | Flex | 100mm |
| KDS29-34 | 29 – 34mm | Flex | 100mm |
| KDS34-38 | 34 – 38mm | Flex | 100mm |
| KDS38-43 | 38 – 43mm | Flex and Rigid | 120/60mm |
| KDS43-48 | 43 – 48mm | Flex and Rigid | 120/60mm |
| KDS47-53 | 47 – 53mm | Flex and Rigid | 120/60mm |
| KDS52-58 | 52 – 58mm | Flex and Rigid | 120/60mm |
| KDS64-72 | 64 – 72mm | Flex and Rigid | 120/60mm |
| KDS78-86 | 78 – 86mm | Flex and Rigid | 120/60mm |
| KDS90-101 | 90 – 101mm | Flex and Rigid | 150/100mm |
| KDS100-112 | 100 – 112mm | Flex and Rigid | 150/100mm |
| KDS120-130 | 120 – 130mm | Flex and Rigid | 150/100mm |
| KDS124-138 | 124 – 138mm | Flex and Rigid | 150/100mm |
| KDS144-155 | 144 – 155mm | Flex and Rigid | 150/100mm |
| KDS150-165 | 150 – 165mm | Flex and Rigid | 150/100mm |
| KDS197-206 | 197 – 206mm | Flex and Rigid | 150/100mm |
| KDS209-220 | 209 – 220mm | Flex and Rigid | 150/100mm |
| KDS246-257 | 246 – 257mm | Flex and Rigid | 150/100mm |
| KDS260-280 | 260 – 280mm | Flex and Rigid | 150/100mm |
| KDS290-320 | 290 – 320mm | Flex and Rigid | 150/100mm |
| KDSK16-165 | 16 – 165mm | Complete Kit | 120/60 150/100mm |
| KDSK16-220 | 16 – 220mm | Complete Kit | 120/60 150/100mm |
| KDSK16-320 | 16 – 320mm | Complete Kit | 120/60 150/100mm |
Please state FLEX or RIGID Connector when ordering.
| Brand | GBC Ind. Tools |
| Pipe I/D Range | 100mm - 112mm, 120mm - 130mm, 124mm - 138mm, 144mm - 155mm, 150mm - 165mm, 16mm - 19mm, 197mm - 206mm, 19mm - 24mm, 209mm - 220mm, 246mm - 257mm, 24mm - 29mm, 260mm - 280mm, 290mm - 320mm, 29mm - 34mm, 34mm - 38mm, 47mm - 53mm, 78mm - 86mm, 90mm - 101mm |
| SKU | Pipe I/D Range | Stock Status | |
|---|---|---|---|
| KDS100-112 | 100mm 112mm | In Stock | £224.35 ex VAT £269.22 inc VAT |
| KDS120-130 | 120mm 130mm | In Stock | £245.72 ex VAT £294.86 inc VAT |
| KDS124-138 | 124mm 138mm | In Stock | £256.64 ex VAT £307.97 inc VAT |
| KDS144-155 | 144mm 155mm | In Stock | £269.45 ex VAT £323.34 inc VAT |
| KDS150-165 | 150mm 165mm | In Stock | £287.50 ex VAT £345.00 inc VAT |
| KDS16-19 | 16mm 19mm | In Stock | £48.94 ex VAT £58.73 inc VAT |
| KDS197-206 | 197mm 206mm | In Stock | £321.39 ex VAT £385.67 inc VAT |
| KDS19-24 | 19mm 24mm | In Stock | £50.50 ex VAT £60.60 inc VAT |
| KDS209-220 | 209mm 220mm | In Stock | £342.02 ex VAT £410.42 inc VAT |
| KDS246-257 | 246mm 257mm | In Stock | £371.41 ex VAT £445.69 inc VAT |
| KDS24-29 | 24mm 29mm | In Stock | £52.18 ex VAT £62.62 inc VAT |
| KDS260-280 | 260mm 280mm | In Stock | £386.64 ex VAT £463.97 inc VAT |
| KDS290-320 | 290mm 320mm | In Stock | £407.51 ex VAT £489.01 inc VAT |
| KDS29-34 | 29mm 34mm | In Stock | £53.74 ex VAT £64.49 inc VAT |
| KDS34-38 | 34mm 38mm | In Stock | £55.42 ex VAT £66.50 inc VAT |
| KDS47-53 | 47mm 53mm | In Stock | £180.05 ex VAT £216.06 inc VAT |
| KDS78-86 | 78mm 86mm | In Stock | £203.47 ex VAT £244.16 inc VAT |
| KDS90-101 | 90mm 101mm | In Stock | £219.87 ex VAT £263.84 inc VAT |
Technical Datasheet
Download PDFA carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.
K Series Double Seal Purge System - Heat Resistant to 330°C (Pipe ID 16–320mm) Get in touch
Have a question about this product? Our team of welding experts are here to help.
Visit Us
12 Mary Seacole Road
The Millfields
Plymouth, Devon
PL1 3JY














Reviews
There are no reviews yet