Global Partners



EffecTech was established in 1996 is an independent specialist gas measurement company providing accredited inspection, calibration and testing services to the energy and power industries. EffecTech’s UKAS accredited calibration laboratory provides gas mixtures of the highest conformity in terms of traceability, accuracy and stability. Their ISO 17025 accreditation provides confidence in the specialty gas mixtures they produce used extensively in the oil/gas, power and chemical market.


DCG is a leading global manufacturer of certified reference materials. DCG Partnership I, LTD serves a diverse group of Refineries, Natural Gas and Liquefied Natural Gas (LNG) Companies, Instrument Manufacturers, Chemical Companies, Testing Inspection and Certification Companies (TIC), and Research Laboratories that span the petroleum, petrochemical, hydrocarbon, biodiesel, and natural gas industries. We bring over 150 years of combined experience. The offer high quality products that provide consistent results to ensure analytical precision and accuracy.


Gas-Arc Group is the largest manufacturer of gas control equipment in the UK.  With a range of specialty gas regulators, outlet panels and manifolds, you will find their products in most industrial, laboratory and specialty gas control processes. All Gas-Arc equipment is designed, manufactured and tested in their production facility under BS EN ISO 9001:2000 accreditation and the latest BS EN ISO standards.  Investing in the latest CNC technology available, together with a high degree of automation, skilled and experienced engineers, Gas Arc are able to offer a sustained standard of high quality products. Their ability to introduce design changes quickly  and their active involvement with the British Compressed Gases Association (BCGA) and British Standards Institute (BSI), means that they are able to take advantage of the continual improvements being generated. 


Welker is an experienced manufacturer serving the Energy and other industries.  With 80+ patents, Welker offers products and solutions for applications in sampling, conditioning, filtering, regulation, injection, containers, and control.



Established in 2000 and located in the UK, Pressure Tech is recognised globally for manufacturing high-quality and competitively priced, ISO-9001 pressure regulators for oil and gas applications.

Our product range is manufactured predominantly in 316SS, covers up to 1,380 bar (20,000 psi) and caters for port sizes from 1/8" to 4". We have an in-house design centre providing bespoke solutions for non-standard applications, a machine shop equipped with the latest technologies, plus a highly skilled assembly team to build and test every regulator before it is carefully packed and despatched to the customer.

Pressure Tech regulators are used worldwide with 70% being exported for use on critical high-pressure control systems such as wellhead control panels, gas analyser systems, hyperbaric diving systems and the latest hydrogen fuel cell technology. Brochure.