Oxy-fuel welding and cutting
Flame cutting, welding and heating with acetylene/oxygen — robust torch technology made by KRAISS & FRIZ.
Equipment · Accessories · Consumables
Equipment
From the torch to the pressure regulator — made in our own workshop, configured ready for use or as a special design.
Not only the gas
We supply the matching hardware as well. A selection of our range is shown in the product catalogues; our welding specialists are happy to advise on site and to demonstrate equipment.
Welding and cutting
We stock torches and welding machines for the main processes, including torch assemblies and wearing parts. We combine our own production and trade brands according to application and budget.
Propane
Torches and nozzles for flame cutting and heating with propane/oxygen — the economical alternative for heavy work.
MIG/MAG welding
Shielding-gas welding machines for workshop and industry, including torch assemblies, wearing parts and the matching mixed gas (Ar/CO₂, Ar/CO₂/O₂).
TIG welding
High-quality inverter machines for demanding TIG work, with argon from our own production.
Made in Germany · in-house production
Pressure regulators
Our pressure regulators are made in our own workshop in Stuttgart — assembled by hand and tested piece by piece. We still manufacture spare parts and repair existing regulators after twenty or thirty years.
- Brass for standard gases
- Aluminium for ammonia
- Single-stage design (two-stage versions are being phased out)
- Various working pressures
The full catalogue — series R 10, RH, R 2000, RN and special regulators, with technical data and article numbers — is available in English.
To the pressure regulator catalogue
Medical articles
Our medical articles are aimed above all at long-term oxygen therapy at home. Which solution fits best depends on how mobile you need to be, on the oxygen volume and on your personal situation.
Classic oxygen cylinder
The proven supply from a pressure cylinder — compact, mobile and ready for immediate use.
KUFLOX — liquid oxygen system
A stationary reservoir with the KUF-LOXVITAL portable unit. Patients stay mobile for up to eight hours, a clear gain in quality of life.
KUFViTAL — oxygen concentrator
Produces oxygen directly from ambient air. Easy to operate and well suited to older people, because no cylinder change is needed.
Supply is arranged together with your treating doctor and your pharmacy. Our medical oxygen is placed on the market as the finished medicinal product KUFVITA 100% (V/V), marketing authorisation no. 75085.00.00.
Propane accessories
Our propane range runs from mobile radiant heaters and catalytic stoves to gas barbecues. Some items are also available as hire equipment — useful for temporary work on site or at events.
- Heating. Hot-air blowers, radiant heaters and catalytic stoves for construction sites, workshops and greenhouses; indoors and outdoors, provided ventilation is sufficient.
- Barbecue. Gas barbecues and accessories. Our barbecue showroom in Stuttgart can be visited in person.
- Installation. Installation material and accessories for gas heating and for connecting appliances to a cylinder or tank supply.
General gas accessories
From the adapter to the safety valve: we stock the accessories you need to operate your installations and workplaces safely. Most items are available from stock.
- Adapters and connectors for common gases
- Gas hoses in various lengths and qualities
- Fittings, pressure gauges and shut-off valves
- Hose rupture and non-return safety devices
- Safety equipment for the workplace
- Consumables and wearing parts
Looking for a particular adapter, connection or hose? Ask us — we often have it in stock or can source it at short notice.
Send an enquiry