4inch (DN164 mm) DDC MANN TEK

4" (Ø164 mm) Dry Disconnect Coupling

Tank unit / Adapter and Hose unit / Coupler

According to NATO STANAG 3756

Coupling material	Maximum working pressure	Test pressure	Minimum burs pressure
Aluminium	10 bar/145 psi	24 bar/218 psi	80 bar/726 psi
Brass	16 bar/232 psi	24 bar/348 psi	80 bar/1160 psi
Stainless Steel	25 bar/363 psi	38 bar/544 psi	125 bar/1813 psi

Connections

4" in BSP, NPT and Flanged inlet.

Applications

The 4" (Ø164 mm) is recommended loading/unloading of Road and Rail tanker, aviation refueller, ISO containers etc. Also recommended for Offshore Supply Vessels, ship to shore transfer, ship to ship transfer and ship to rig transfer or on any application where spillage needs to be minimized.

Media

Petroleum products: Gasolin, diesel, oil etc. Chemical products:Ethylene Oxide, Propylene Oxide, Acrylonitrile, Butadiene, Ammonia, Vilyl Chloride, Toluene, Xylene, Sulphuric, Acid, Phenol etc.

Seals

Standard seals in FPM (Viton®), EPDM, Chemraz®, Kalrez®, NBR (Nitrile). Other materials on request.

High Flow Rates / Low Pressure Drop

Allows maximum product transfer with minimal losses.

Recommended Maximum Flow Velocity

15 m/s (fuel).

Interchangeability:

Compatibility with other existing brands e.g. TODO-matic and Fulcrum couplings.

Hose unit with Integrated Swivels

All hose units are designed with Integrated Swivel

Selectivity

- Avoid mixing products: To avoid product contamination caused by connecting a hose unit to the wrong tank unit, selective
versions of the hose and tank units are available.