These couplings are designed for all important low pressure applications as well as for pressures ranging up to 650 bar (on demand even more). They vary from applications in machining, hydraulic, off-shore, security technics, fire protection, mould construction, plant engineering, laboratory, Chemical industry, pharmaceutical industry, food industry, laboratory technics, medical engineering to clean room applications. All couplings according DIN ISO 7241.B are interchangeable amongst each other.