Needle, check, ball and air operated valves, cone and thread fittings, tubing and regulators rated to 150,000 psi. Genuine HIFLUX product, manufacturer documentation, and prices you can see online for standard items.
Quickly Find What You Need
High Pressure Valves
High Pressure Fittings
High Pressure Tubing
Union & Adapters
High Pressure Regulators
LOK Fittings & Valves
Pressure, Temperature & Flow
Our range
Seven categories, from 150,000 psi cone and thread to LOK fittings, gauges and thermocouples. All in cold-formed stainless steel 316 as standard, with Hastelloy, Inconel 600/625/825, Nickel 200 and Titanium available where the service requires them.
6 series
Needle, check, ball, air operated, safety and special valves for industrial, hydrogen and extreme service.
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5 series
Elbow, tee and cross bodies with glands, collars, sleeves and accessories, plus manifold blocks and tube caps, 10,000 to 150,000 psi.
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4 series
Tube, nipples, tooling sets and tube support for cone and thread systems.
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5 series
Unions, male-to-male, male-to-female, bulkhead and Lok-to-female adapters for pressure and size compatibility.
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4 series
General, high-pressure, back pressure and air-operated back pressure regulators for precise pressure control.
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Double ferrule
LOK double-ferrule tube fittings, needle, ball and check valves, and instrumentation tubing for leak-tight connections.
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3 series
Stainless steel pressure gauges, 60,000 psi thermocouples and compact air diaphragm pumps for measuring and moving fluid.
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150,000 psi
Maximum pressure rating
10,000–150,000 psi
Fitting range
316
Stainless steel grade
−252°C to 649°C
Operating temperature
Who we are
Hiflux UK is an authorised UK and EU distributor for HIFLUX Co., Ltd of Daejeon, South Korea — a manufacturer of ultra high-pressure valves, fittings and tubing since 2010, and a designated Hydrogen Specialist Company under Korea's Ministry of Trade, Industry and Energy.
Supplied direct from the HIFLUX factory with lead times quoted up front.
Every HIFLUX product we supply comes with manufacturer material certification traceable to the batch. On a high pressure line, that documentation matters as much as the component. Tell us the series and quantity and we will send the certificates with your quote.
The technical and documentation support a UK or EU project needs, from choosing a series to the paperwork.
Since 2010
Manufacturing high-pressure parts
Hydrogen Specialist
Designated by Korea's MOTIE
Up to 150,000 psi
Fittings and valves
Up to 150,000 psiNeedle Valve
Ultra High Pressure Needle Valve — 150,000 psi
Extreme duty needle valve for research and test applications.
Up to 150,000 psiFitting
Ultra High Pressure Fitting — 150,000 psi
Rated for the most extreme high pressure applications.
Up to 100,000 psiNeedle Valve
Ultra High Pressure Needle Valve — 100,000 psi
Ultra high pressure needle valve for extreme environments.
Up to 100,000 psiCheck Valve
Ultra High Pressure Check Valve
Rated to 100,000 psi for extreme applications.
Up to 100,000 psiFitting
Ultra High Pressure Fitting — 100,000 psi
Ultra high pressure fitting for extreme applications.
Up to 150,000 psiFitting Accessory
Ultra High Pressure Fitting Accessory
Accessory rated to 150,000 psi.
60,000 psiNeedle Valve
3-Way 2-Stem Needle Valve
Multi-port flow control at 60,000 psi.
Up to 60,000 psiSafety Valve
High Pressure Rupture Disc
Burst protection rated to 60,000 psi.
HIFLUX Co., Ltd is certified to KS Q ISO 9001:2015 for quality management, KS I ISO 14001:2015 for environmental management and ISO 45001:2018 for occupational health and safety.
In October 2023 the company was awarded KS certification for manual valves for hydrogen refuelling stations by the Korea Gas Safety Corporation (KGS), to KS B ISO 19880-3. Certificates, including PED and ATEX documents for specific valves, can be downloaded in full.
Download certificates
Industry membership
Member 2026–27
Hiflux UK is a member of the Hydrogen Energy Association (HEA), reflecting our focus on safe, reliable high-pressure flow-control for hydrogen production, storage, distribution and refuelling. Through the HEA we stay connected to the standards and developments shaping the UK hydrogen sector.
Get in touch
Whether it's a single valve or a full system, send your pressure rating, connection type and material requirement. We'll confirm availability, pricing and the certification that comes with it.
