Mining Fabrication and Ventilation Control Devices, Tomago NSW
GH Fabrications designs and fabricates ventilation control devices for underground mines from our workshop at Tomago, NSW. We have supplied underground mines in NSW, Queensland and Western Australia, and our main focus is underground coal.
Get a price
Tell us roughly what you need. A sales engineer replies within 2 business days.
Have drawings or a full spec? Use the detailed quote form, or call 02 4964 8270.
Each product is designed to be easy to transport to the mine, take underground and install.
Ventilation control devices
Our ventilation control devices are built to suit every style of overcast we supply, from unrated lightweight designs through to 5PSI rated.
Not sure which rating you need? See our guide to unrated, 2PSI and 5PSI rated ventilation control devices.
Airlocks
We make unrated, 2PSI and 5PSI rated airlocks. The 5PSI airlock is fully built in our workshop, so it can be taken underground and bolted into position with no assembly. Its standard size is 3.0 x 1.4 x 2.2 metres high.
View airlocksInformation sheets (PDF)
Airlocks
Overcasts
We make portal frame, unrated purlin, rated sloped-sided and rated splayed overcasts. Portal frame overcasts use a larger RHS section in the panels, so no roof or wall braces are needed.
View overcasts
Regulators
Our range covers machine door regulators, rated machine door regulators and four-panel regulators, with or without a man access door panel. The louvres are fully adjustable and can be locked in position to control airflow.
View regulatorsInformation sheets (PDF)
Rated machine door regulator Machine door regulator 4-panel regulator 4-panel regulator with man access door
Doors and hatches
We make machine doors, Bobcat doors with a standard 2 metre square opening, and hatches to suit your wall thickness. Doors come unrated, 2 PSI rated or 5 PSI rated.
View doors and hatches
Man access doors
Man access doors come unrated, 2 PSI rated or 5 PSI rated. Standard sizes are 1 metre square, 1500 x 1 metre and 1800 x 1 metre, and there is also a version to suit a flexible stopping.
View man access doorsInformation sheets (PDF)
Man access doors
Coffin seals
Coffin seals keep the area around a conveyor belt sealed. We make them to suit any size belt, and the wear parts can be replaced on site without removing the seal.
View coffin sealsInformation sheets (PDF)
Coffin seals
Ancillary devices
We also make depth gauges, U-tubes and S-traps, Victaulic pipes, gas sample pipes and stopping poles. Most are available in standard sizes or made to your nominated size.
View ancillary devicesInformation sheets (PDF)
Depth gauges U-tubes and S-traps Victaulic pipes Gas sampling pipes Stopping polesFor mines around Singleton and Muswellbrook, see mining fabrication for the Upper Hunter.
How we work
We design and fabricate each product to suit your site. All rated designs are certified by GHF’s engineer. Our quality management system is certified to ISO 9001, and our structural steelwork is certified to AS/NZS 5131. We work in steel, stainless steel and alloys. Products are delivered to mines across NSW, Queensland and Western Australia through trusted subcontractor partnerships.
Why mines use GHF
Other underground steelwork
Access steel and fittings to complete a ventilation installation, made to your drawings.
Build your device list
Pick each device, its rating, size and quantity, and send the list to us for a quote.
More calculators and quote builders
Free to use. Send the result to us for a quote when you’re ready.
Related work
Underground Mining Airlocks
We manufacture a range of Mining Airlocks designed to suit your specific needs and to suit every style of…
Mining Overcasts
GH Fabrications design and manufacture a full range of overcasts.
Mine Ventilation Regulators
GH Fabrications manufacture a complete range of regulators, all designed to suit each customer’s specific…
What our clients say
“GH Fabrications have provided Tank Solutions a large and varied service for many years. Some of the products produced have been stairs, walkways and flyover systems on our largest tank projects.”
Tank Solutions“GHF assisted us with a major steel fabrication project at the Cottage Creek site on Honeysuckle Drive, Newcastle. It was a complex job, however the final fabrication was delivered on time and is aesthetically very pleasing.”
Robson Civil
Request a quote
Send your drawings and we’ll come back with a price. No project is too large or too small. Call 02 4964 8270 or email sales@ghfabrications.com.au.