Argweld® Flexible Weld Purging Enclosures®

Overview

Tech Specs

Ordering

FAQ

Ergonomic, Flexible, Clear and Custom-Made Specials!

The Argweld® range of Flexible Welding Enclosures® has been designed for applications where a rigid chamber may not be economically viable or where space may be at a premium. These low-cost enclosures are suitable for welding titanium, zirconium, and other reactive metals and for WAAM Additive Manufacturing.

Applications for Argweld® Flexible Weld Purging Enclosures® Standard and Custom Made

Industries

Aerospace, medical, sports vehicle, petrochemical, nuclear, pipeline, additive manufacturing (WAAM), electronics, chemical industry, etc.

It is used for welding

titanium and nickel alloy components, stainless steel components, additive manufacturing processes, and more.

Key Features and Benefits

Standard Models and Custom Made Specials

Designed and manufactured to suit all applications, including aerospace, medical, and racing car industries, as well as the welding of stainless steel components to eliminate expensive cleaning of discolouration.

Custom Design

Any shape and size can be custom-made to suit specific requirements.

High Quality and Cost-Effective

Provides high-quality welds at a low cost, making them ideal for small production quantities and where the cost of a rigid chamber would be impractical.

Technical Specifications

Materials:

The enclosures are made from translucent plastic with an optically clear plastic top for total visibility.

Durability:

Resistant to ultraviolet hardening and damage.

Entry and Exhaust:

Each enclosure contains an argon entry port and an exhaust valve to vent displaced gas into the atmosphere.

Sleeves and Gloves:

Two pairs of fitted sleeves and gloves have drawstrings to prevent blowing out

Service Panel:

Includes feed-throughs for welding torches, earth cables, electrical wires, and water cooling pipes if needed.

Sizes:

Standard round and rectangular enclosures are available for immediate delivery, with custom sizes on request.

Ordering

Round Enclosures

Diameters: 920 mm, 1200 mm, 1530 mm, 1830 mm
Side Height: 450 mm, 550 mm, 550 mm, 550 mm
Overall Height: 550 mm, 800 mm, 800 mm, 800 mm
Top Panel: 200 mm, 450 mm, 450 mm, 450 mm
Zip Lengths:
- 900 mm diameter - 1430 mm
- 1200 mm diameter - 1900 mm
- 1500 mm diameter - 2390 mm
- 1800 mm diameter - 2900 mm

Rectangular Enclosures

Lengths: 900 mm, 1200 mm, 1500 mm, 1800 mm
Glove Ports: 3 sets of glove ports with sleeves and gloves

Your Questions Answered

Do these enclosures work for welding titanium?

They are used successfully worldwide, including by Rolls-Royce and other major companies.

What about sparks and hot metal?

TIG welding typically does not produce sparks. Hot metal should not touch the plastic; a metal skirt is placed inside the enclosure to protect it.

Can HFT® supply the internal baseplate and purge lines?

The enclosures are shipped internationally so users can manufacture their own metalwork according to the provided instructions.

Can I use a vacuum pump for faster purging?

The enclosures can be collapsed around the parts to be welded, minimising purge volume and time.

What sizes of components can fit into the enclosures?

Standard enclosures can only accept parts that fit through the specified zip lengths. Custom sizes and designs are available.

The enclosure deflates when I turn off the gas.

Continuous inert gas flow is required until welding is complete.

Is it normal for gas to escape from the valve?

Yes, the valve is designed to vent gases as the enclosure inflates and when sleeves are used.

The enclosure bulges when inflating.

Reduce the purge rate to 2-5 litres per minute to avoid over-inflation.

How can I sample oxygen levels inside the enclosure?

Use an Argweld® Weld Purge Monitor® with a gas sampling port provided at the top of the enclosure.

How do I get cables inside the enclosure?

Cables can be passed through the service panel's tubular glands with sealing membranes around them.

How can I get small parts inside once the enclosure is inflated?

Use the entry/exit sleeve, which can be purged independently to transfer small parts without disturbing the purge environment.

How do I repair a small puncture or tear?

A repair kit containing PVC material and adhesive is included.

Why is my weld oxidised even when the monitor shows a low oxygen level?

Ensure all parts are clean and free from contaminants before welding. Use a scrap piece of titanium to absorb residual traces of oxygen and hydrogen.

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Argweld® Flexible Weld Purging Enclosures®

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CLIENT TESTIMONIALS

"The purge meters are second to none."

"I am a huge fan of Huntingdon products and have talked to others over the years about using them. The purge meters are second to none. I own and use regularly my PurgEye 100 and my PurgEye 300. I think somewhere, I still have my original Argweld® MKV monitor, which sadly no longer powers up. I am a scarce breed because I have 3 degrees and a complete academic understanding of metallurgy, but more importantly, welding science; I also have over 20 years of hands-on experience in welding on drill floors, firing lines, and vessel shops. I quite literally have a passion for old-fashioned welding! Excellent product, guys!"

Davina Urquhart
CITY COLLEGE AND SENIOR WELDING ENGINEER AT TRANSWELD SERVICES LTD

"One of the best, if not the best, residual oxygen detector instruments on the market."

"I believe the PurgEye to be one of the best if not the best, residual oxygen detector instruments on the market with its digital residual oxygen level LED display readouts measuring as low as 0.01% and its large, user-friendly viewing screen making it easier for me to read. I also believe the PurgEye has great accuracy in residual oxygen, with speedy measurements displayed within seconds. The PurgEye is a far cry from the old school homemade 'use a cigarette lighter' to check purge gas flow system."

Construction and Maintenance
PIPING SOLUTIONS PTY LTD, AUSTRALIA

"Purge monitors are a necessity."

"I can personally vouch for purge monitors. When working with medium to large-diameter exotic pipework, they can prevent you from having a terrible day! I've only used the older model, which was a godsend. Anyone, from the welder who has had to carry out weld repairs due to root weld oxidation (or coking) on such materials, to the directors facing an expensive bill for re-work and possible tarnished company reputation, to the client with their project now running behind schedule - knows exactly what I mean. Purge monitors are a necessity."

Colin Sherriffs
WELDING AND FABRICATION INSTRUCTOR/ASSESSOR AT ITCA LTD

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