Close this search box.

Hi Lo HL800 FabMaster Elite High Pressure 300bar Nitrogen Regulator – Base, Nevoc Side

  • Precise flow control minimises gas waste and optimises nitrogen usage
  • The HL800 prioritises safety with robust construction and clear pressure monitoring
  • Streamlined design and smooth operation save valuable time, allowing you to focus on the task at hand
  • Ideal for chemical plants, research laboratories, oil refineries, aircraft maintenance, high-pressure testing, and various industrial applications


Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT
Nevoc Side Entry
Checkout securely
Finance available
iwocapay Pay in 3 Banner
PayPal Logo

Buy Now, Pay Later In 3 Interest-Free Payments​


Master your nitrogen flow with the Hi Lo HL800 High Pressure 300bar Nitrogen Regulator. This industrial-grade regulator is engineered for demanding applications, delivering exceptional precision, control, and safety when working with nitrogen gas up to a staggering 300 bar (4350 psi).

The Hi Lo HL800 High Pressure 300bar Nitrogen Regulator is the perfect choice for professionals demanding top-tier performance, unwavering safety, and unmatched control in their nitrogen regulation needs.


  • Available in Base Entry and NEVOC Side Entry: Choose the configuration that best suits your workspace for optimal flexibility and ease of use
  • Superior Pressure Control: Experience smooth, reliable nitrogen flow regulation for even the most critical tasks
  • Crystal-Clear Gauges: Easy-to-read gauges provide clear and accurate pressure monitoring, allowing you to maintain optimal control
  • Rugged Construction: Built with high-quality, durable materials, the HL800 is built to withstand the toughest industrial environments
  • NEVOC Compliance (Side Entry Model Only): The NEVOC compliant design minimises environmental impact for a greener and safer work environment (Side Entry Model Only)
  • 2-Year Warranty: Hi Lo stand behind their products. Enjoy peace of mind with a comprehensive 2-year warranty.


Part No. Description
HL050111 Base Entry
HL050111SEN Nevoc Side Entry


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 , Nevoc Side Entry
Fuel Type Nitrogen
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 Nitrogen Regulator – Base, Nevoc Side

Rated 0 out of 5
£266.25£284.03 Select options
0 items Cart
My account

We'd Love Your Feedback

Before you go, please let us know how we can improve your experience.

Website Feedback

Did you find what you were looking for?
If you answered yes, did you place your order?
This field is for validation purposes and should be left unchanged.