Business partner Ing. Wilhelm Friedrich Gesellschaft m.b.H.

Business partner Ing. Wilhelm Friedrich Gesellschaft m.b.H.

Partner der Ing. Wilhelm Friedrich Gesellschaft m.b.H.

Control engineering + heat technology

Control engineering + heat technology

Stahlarmaturen PERSTA GmbH from Warstein

Pipeline valves and components made of forged steel, cast steel and hot-formed sheet steel in standard and special models in nominal widths from DN 10 to DN 1000 and pressure classes from PN 10 to PN 630

HOLTER Regelarmaturen GmbH

from Schloss-Holte-Stukenbrock

Control values for industrial & power plants and process technology in all pressure classes from PN 10 to PN 630.

RTK Regeltechnik Kornwestheim GmbH

from Kornwestheim

Control valves and equipment for heating systems, thermal oil systems, and cold and gas systems.

IGEMA GmbH

from Aachen

Measurement and control technology for steam and condensate systems, boiler monitoring and heating technology

RIFOX - Hans Richter GmbH special valves

from Bremen

Steam traps, drain and vent valves – the specialist for condensate technology.

KNIPPENBURG GmbH
Your satisfaction is what drives us

QUADAX® 

A valve line of co-ax ag from Forchtenberg valves in particular for larger nominal widths. Meeting the highest seal requirements under extreme temperatures.

RITAG Ritterhuder Armaturen GmbH & Co Armaturenwerk KG from Osterholz-Scharmbeck

High quality check valves as well as bottom valves and sampling valves for industry, chemical plants, plant engineering and shipbuilding.