Multi-Size Inflatable Purge Bag Systems (Select Size From Options Menu)

One system. Multiple pipe sizes. Faster purging with less gas.
I-PurgeX® Modular Pull-Thru Inflatable Purge Bag Systems are built for maximum flexibility and efficiency. Designed to fit pipe sizes from 2" to 58", this modular system allows you to quickly swap bag sizes and configure the setup you need—saving time, gas, and setup effort on every weld.

Whether you're working on small diameter tubing or large pipe, I-PurgeX delivers consistent purge performance with a durable, reusable design built for demanding environments.

Why Choose I-PurgeX®

• Multi-Size Capability: One system fits multiple pipe diameters.
• Reduce Gas Usage: Isolate the weld zone to minimize purge volume.
• Faster Setup: Modular design with quick-connect fittings.
• Consistent Purge Quality: Even gas distribution for cleaner welds.
• Built for Reuse: Durable materials designed for long-term use.

Bag Features

• Spark-resistant durable exterior cover
• Heavy-duty interior inflatable bag
• Corrosion-resistant quick connect fittings
• Preset relief valve for controlled flow and over-inflation protection
• Inert gas diffuser for even gas distribution within the weld zone
• Separate connections for inflation, flooding, and exhaust
• 1/4" NPT female gas line fittings (hose barb adapter included)
• Exhaust line compatible with oxygen monitors for O2 analysis
• Strong pull loops for easy insertion and removal
• Protective carrying and storage bag included
• Made in USA

High Heat Harness Features

• Interchangeable harness options for extended reach and high-heat applications
• Internal hose with external fiberglass sleeve rated up to 1200°F (650°C)
• Flexible bridge harness for navigating elbows and tee junctions
• Kink-resistant hose ensures consistent gas flow
• Luminescent indicator for accurate alignment at the root gap
• Made in USA

I-PurgeX inflatable purge bags are also available in single-bag "Isolator" configurations for specific applications.

Available Sizes

Frequently Asked Questions

What makes this system different from standard purge bags?
The modular design allows you to swap bag sizes and adapt to different pipe diameters using one system.

How does this reduce gas usage?
By isolating the weld zone, less purge gas is required to maintain a proper environment.

Can I use this for high-heat applications?
Yes. Optional high-heat harnesses are available and rated up to 1200°F.

Is this reusable?
Yes. The system is built with durable materials for repeated use in demanding environments.

Can I monitor oxygen levels?
Yes. The exhaust line is designed to connect to an oxygen monitor for improved purge validation.