DRY DISCONNECT COUPLINGS

Dry Disconnect Couplings are available in sizes from ¾” up to 6” and in a wide range of materials and seals to be the given choice for almost any application.

The self sealing design of the Dry disconnect couplings guarantees both the highest level of safety and also the quickest way of connecting and disconnecting.

Mann Tek has knowledge from design, production and marketing of DD Couplings® since 1977.

DD Couplings®, Dry Disconnect Couplings, are designed for quick and spill free connection and disconnection of hoses and pipelines. They are used by producers of ink, adhesives, fatty acids, pharmaceuticals, liquid soaps, petroleum, chemicals, agricultural and a wide variety of caustic products and speciality acids.

Dry Disconnect Couplings, also mentioned as dry break couplings and dry break coupler, can be found in a lot of various applications such as handling toxic chemicals, fuels etc. to transferring clean water, due to the wide range of materials, connections and sealing types Dry Disconnect Couplings are flexible enough to suit almost any application. The newest variant are LNG couplings (Cryogenic coupling).

DD Couplings® are especially needed in areas of zero tolerance spillage when your product:

• is of high value
• requires costly environmental methods of cleaning-up in case of spillage
• is expensive to reprocess or dispose of
• is hazardous to the environment
• can cause a health risk
• is prone to accidental spillage and product loss

DD Couplings® are in use in installations all over the world, especially where certification is a prerequisite and are certified by TÜV, Apragaz, Veritas, TDT, plus regionally required approvals.

The Dry Disconnect Coupling function
When connecting the Dry Disconnect Coupling the hose unit will slide easily over the tank unit. The three rollers engage in the three slots.
To allow the hose unit to lock, rotate the hose unit clockwise approximately 100° whilst gently pushing towards the tank unit.
To stop the flow and unlock the units, reverse the procedure.

Unique Design Gives Several Advantages
Easy to handle
Push and turn – free flow.
Turn and pull – closed.

Time saving
No need to drain hoses or pipe systems.

Economical
No loss or spillage of liquids at connection or disconnection.

Safe
The valve cannot be opened until the unit is coupled.

Environmentally friendly
Accidental spillage eliminated.

Reliability
No loss or spillage of liquids at connection or disconnection.