Mann Tek

Mann Tek



Mann Tek, Mann Teknik AB, is a Swedish company and coupling manufacturer located in Mariestad, Sweden. Mann Teknik AB produces and markets products for safe and environmentally friendly handling of aggressive fluids for the chemical and petrochemical industries.

Dry Disconnect Couplings DDCouplings®

For spill free liquid handling. The products are marketed through independent representatives in more than 30 countries.

Mann Teknik AB have many years of experience in designing, producing and marketing of DDCouplings® all since 1977.

Produced in accordance with important standards

Mann Teknik AB has shown a high rate of growth during the past years and is now a major player in its specialised field of operation. This is due to a determined expansion into growing markets and recognition by customers of the robust design and reliable quality of the products.

Mann Teknik AB are certified to ISO9001:2008. The products are CE-labeled. The main products are certified to PED, the European Pressure Equipment Directive and ATEX, the European directive for Equipment intended for use in Potentially Explosive Atmospheres.

The products are produced in accordance with several important standards, e.g. the NATO STANAG 3756

Mann Tek Products

Dry Disconnect Couplings are the given choice for handling any liquid, chemicals, gas etc.
Dry aviation couplings are specially designed for handling aviation fuel and can be found at any point in the aviation fuel logistics.
Dry Gas Couplings are a further development from the Dry Disconnect Couplings, specially designed to handle LPG.
Full Flow Ball valves are available in two types, one-way (one inlet, one outlet) or two-way (one inlet and two outlet) in sizes 2" to 4".


Swivels are used to allow free rotation movement between hoses, nozzles, pipes etc. and are available in sizes from 3/4" to 10".
Safety Break-away couplings are used to prevent pull away accidents.
Cryogenic Break-away couplings are used in cryogenic applications for safe handling of liquefied gases whitout spill.
Dry Cryogenic Couplings are designed for use of e.g. LNG and Nitrogen and other liquefied gases.