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Hi Lo HL800 FabMaster Elite High Pressure 300bar Inert Gas Regulator

SKU: HL050112
  • Achieve superior results with unparalleled pressure control and flow regulation
  • Experience peace of mind knowing you’re working with a regulator that prioritises user safety
  • Optimise your workflow with effortless pressure adjustments and clear gauge readings
  • The HL800’s durable construction minimises the risk of breakdowns, keeping you focused on the task at hand
  • Suitable for a wide range of high-pressure inert gas applications, from industrial purging to research and development

£266.25 ex. VAT     £319.50 inc VAT

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Over 50 years welding expertise
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Unleash Precision and Performance with the Hi Lo HL800, the High-Pressure Inert Gas Regulator Built to Exceed Expectations.

The Hi Lo HL800 is not your average regulator. It’s a revolutionary tool engineered for professionals who demand the utmost control and safety when working with high-pressure inert gases. Whether you’re tackling demanding industrial applications, critical purging operations, or specialised research projects, the HL800 delivers unmatched precision and unwavering reliability.

The Hi Lo HL800 High Pressure 300bar Inert Gas Regulator is the ultimate choice for professionals who demand the best. Take control of your high-pressure inert gas operations and experience the Hi Lo difference.


  • Ultra-High Pressure Capacity: Handle a staggering 300 bar (4350 PSI) with confidence, ensuring compatibility with a wide range of high-pressure inert gas cylinders
  • Superior Flow Control: Experience unmatched precision in regulating gas flow, perfect for even the most delicate applications
  • Dual Gauge Design: Monitor both cylinder pressure and outlet pressure simultaneously for enhanced safety and control
  • Durable Construction: Built to withstand the rigors of demanding environments, the HL800 is crafted from high-quality materials for long-lasting performance
  • Easy-to-Read Gauges: Large, clear gauges with high-visibility markings allow for effortless pressure monitoring, even in low-light conditions
  • Safety First Design: The HL800 incorporates industry-leading safety features to prioritise user safety during operation



Inlet connection: G5/8 BSP RH

Outlet connection: G3/8 BSP RH

Pressure gauges conforms to BS EN 5171

Manufactured under BS EN ISO 9001

Additional information
Brand Hi Lo
Entry Base
Fuel Type Argon , Helium
No. of Gauges 2 Gauges

Click and Collect:
Free Click and Collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.  Just want advice?  No problem.  Feel free to call in to speak to one of our friendly experts.

EWS Fleet Coverage Areas: 
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur

Nationwide Delivery (all items excluding gas cylinders):
Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT.
UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT.
UK islands and Northern Ireland shipping costs may vary.

UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.

International Delivery:
Please contact us for an accurate delivery quote.

Hi Lo HL800 High Pressure 300bar Oxygen Regulator

Hi Lo HL800 FabMaster Elite High Pressure 300bar Inert Gas Regulator

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£266.25 ex. VAT     £319.50 inc VAT
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