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Gasarc Spec Master HPS620 High Purity Single Stage Regulator
- Enhanced Process Integrity: Maintains gas purity, reducing the risk of contamination and ensuring consistent process outcomes.
- Extended Equipment Lifespan: Durable construction and leak-minimising design contribute to prolonged operational life and reduced maintenance needs.
- Improved Safety: Designed for reliable control of both non-corrosive and toxic gases, enhancing operational safety.
- Cost-Efficiency: Reduces gas wastage and retesting due to contamination, leading to significant long-term savings.
- Versatile Integration: Adaptable design and multiple mounting options simplify installation across a variety of industrial and laboratory setups.
£494.39 – £734.66Price range: £494.39 through £734.66 ex VAT



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Unrivalled Precision for Critical Gas Applications
The Gasarc Spec Master HPS620 High Purity Single Stage Regulator stands as a pinnacle of engineering for precise and reliable control of high-purity gases. Designed for the most demanding environments, including analytical laboratories, industrial processes, and specialised manufacturing, this regulator ensures the integrity of your gas supply up to an exceptional purity grade of 6.0 (99.9999%). For professionals seeking a robust, long-lasting, and highly accurate solution for non-corrosive and toxic gas management, the HPS620 is the definitive choice.
Spec Master HPS620 Features
- Exceptional Gas Purity Control: Engineered for precise management of high-purity gases up to grade 6.0 (99.9999%), safeguarding against contamination.
- Robust Construction: Features a nickel-plated brass barstock body, bonnet, and piston for superior durability, corrosion resistance, and extended service life in challenging operational environments.
- Encapsulated Seat Design: Minimises internal leaks and reduces contamination risk, ensuring consistent gas quality and system longevity.
- Optimised for High Purity: Low wetted surface area efficiently handles high-purity gases, critical for precision applications where gas integrity is paramount.
- Versatile Gas Compatibility: Suitable for a wide range of non-corrosive and toxic gases, offering broad applicability across various industries.
- Flexible Port Configuration: Equipped with a six-port configuration (two inlet, two outlet) and flexible base and side entry fittings for versatile gas routing and seamless integration into diverse systems.
- Adjustable Mounting Options: Supports both front and rear panel mounting, providing installation flexibility to suit your specific setup.
- Wide Pressure Range:
- Maximum Inlet Pressure: Up to 300 bar (4350 psi)
- Delivery Pressure Range: 20, 50, 100, 200, or 250 bar (300, 725, 1450, 2900, or 3625 psi)
- Reliable Performance: Operates effectively within a temperature range of -20°C to +60°C (-4°F to +140°F) with a helium leak integrity of 1 x 10-9 mbar l/s.
Spec Master HPS620 Compatibility
What’s In The Box
- Cylinder Connection
- Cylinder Contents Gauge
- Outlet Pressure Gauge
Ordering Spec Master HPS620
Model No | Part No | Description | Gas |
---|---|---|---|
HPS621-04-07-01-01-010-00-A | 3960003203 | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-20bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
HPS621-04-10-01-01-010-00-A | 3960006105 | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-50bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
HPS621-04-11-01-01-010-00-A | 3960008918 | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-100bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
HPS621-04-12-01-01-010-00-A | 3960003586 | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-200bar BS 341 No.3 (Side Entry) 1/4NPT FemaleOutlet | Oxygen & Inert |
HPS621-04-13-01-01-010-00-A | 3960004088 | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-250bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
HPS621-04-07-01-01-023-00-A | Order By Model | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-20bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
HPS621-04-10-01-01-023-00-A | Order By Model | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-50bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
HPS621-04-11-01-01-023-00-A | Order By Model | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-100bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
HPS621-04-12-01-01-023-00-A | Order By Model | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-200bar BS 341 No.32 (Side Entry) 1/4NPT FemaleOutlet | Oxygen NEVOC |
HPS621-04-13-01-01-023-00-A | Order By Model | Spec-Master Single Stage 2 Gauge Cylinder Regulator 0-250bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
Spec Master HPS620 Applications
- Analytical Laboratories: Ideal for chromatography, mass spectrometry, and other sensitive analytical instruments requiring ultrapure gas delivery.
- Industrial Manufacturing: Essential for specialised welding, laser cutting, and other processes where gas purity directly impacts product quality.
- Refrigeration Systems: Ensures the purity of gases used in various refrigeration and climate control applications.
- Food & Beverage Industry: Critical for modified atmosphere packaging (MAP), inerting, and other processes demanding stringent gas quality standards.
- High-Purity Gas Distribution Systems: Central to the safe and efficient distribution of specialty gases.
Spec Master HPS620 Specifications
Product Line | Spec Master |
---|---|
Purity Grade | 6.0 (99.9999%) |
Gas Properties | Non-corrosive, toxic |
Material (main body) | Nickel plated brass barstock |
Material (bonnet) | Nickel plated brass barstock |
Material (piston) | Brass |
Material (bonnet seal) | FKM / EPDM |
Material (valve seat) | PCTFE |
Material (filter) | 10 Micron 316L Stainless Steel |
Regulation Type | Single stage |
Applications | Industry, Refrigeration, Analytical Laboratories, Food and Beverages |
Maximum Inlet Pressure (bar/psi) | 60, 300 / 870, 4350 (subject to cylinder connection) |
Delivery Pressure Range (bar/psi) | 20, 50, 100, 200, 250 (300, 725, 1450, 2900, 3625) |
Gauges | 50mm (2”) Diameter |
Ports | 1/4” NPT Female |
Temperature Range | -20oC to +60oC (-4oF to +140oF) |
Helium leak integrity | 1 x 10-9 mbar l/s |
Weight (kg / lbs) – Cylinder connection not included | 1.4 / 3.1 |
Spec Master HPS620 Resources
Invest in the Gasarc Spec Master HPS620 High Purity Single Stage Regulator to ensure unparalleled precision, purity, and reliability in your gas applications.
Free Delivery |
Free Delivery |
---|---|
Brand |
ESAB GASARC |
Outlet Pressure |
0-20 ,0-50 ,0-100 ,0-200 ,0-250 |
Fitting |
No. 3 ,No. 32 NEVOC |
Purity |
6.0 |
Gas Type |
Inert ,Oxygen (O2) |
Regulator Type |
Single Stage |
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
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
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.

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