
Dry Disconnect Couplings
The given choice for handling any liquid, chemicals, gas etc.
Dry Disconnect Couplings according to NATO STANAG 3756.
Size from: | 1” to 8” |
Material: | Aluminium, Brass, Stainless Steel, Hastelloy, Titanium, PVDF, PEEK etc. |
Seals: | •FKM, NBR, EPDM, FFKM etc. |
Working pressure | 10-25 Bars (five times safety factor). |
Available with threaded and flanged connections, for both hose unit and tank unit.

Benefits

Handle
Powerful handle - many alternatives to fit specific use.

Connections
Large variety of connections (both thread and flange) for mounting directly on hose or tank.

Rubber protecting ring
Robust rubber protecting ring - weather-resistant and electrically non-conductive.

Weight
Weight optimized.

Integrated swivel
Dry Disconnect coupling with integrated swivel.

Cam curve
Inner cam curve (protected from external impact).
Technical data
Socket | Threaded connections | Flanged connections | Flow rate | Materials | Seals | ||
---|---|---|---|---|---|---|---|
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1” (DN25) | 56 mm | ¾”, 1”, 1¼” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 250 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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2” (DN50) | 70 mm | 1½”, 2” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 900 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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2½” (DN65) | 105 mm | 2½”, 3” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 2.100 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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3” (DN80) | 119 mm | 3” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 2.800 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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3” (DN80) | 164 mm | 4” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 7.000 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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6” (DN150) | 238 mm | 6” BSP and NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 14.000 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
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8” (DN200) | 272 mm | 8” NPT | ANSI, EN, TW, TTMA, JIS. Others on request. | Up to 23.000 L/min | Specified in configurator | FKM, NBR, EPDM, FFKM |
Service
Service guidance
Service guidance for a MannTek Dry disconnect coupling.
Innovative accessories

Colour coding
For a clear assignment of coupling and medium, the body, flange and handles of our…
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Stop before disconnect
This is a feature for detecting eventual leakage before disconnecting the hose and the tank…
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Selectivity (coding) system
To prevent accidental mixing of media, a selectivity (coding) system for DDC is available. Tank…
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Locking device
Option for hose units. Once coupled, the connection is automatically locked and can not loosen…
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Hose unit with integrated breakaway
If there is a risk of excessive force on the hose due to unexpected motion…
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Pressure equalizing valve
If liquid is trapped behind the tank unit, due to a closed valve or the…
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Pressure bleeding valve
For special operating conditions where there is the risk of excessive pressure increase through warming…
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Adapter solutions
Often used in military application when transition from Dry Disconnect Couplings (STANAG 3756) to Dry…
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Tank unit with eccentric flanges
Tank units/adapters with eccentric flanges are available in sizes 1” to 6”. Eliminate risks of…
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Safety pressure cap
Contains pressure with built in warning indicators for excessive pressure. Design allows operators to release…
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Open/close indicator
Shows in which direction the coupling should be turned. Indicates the end positions whether the…
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Safety pressure plug
Contains pressure with built in warning indicators for excessive pressure. Design allows operators to release…
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ACME and whitworth threads
DGC tank units and hose units are available with ACME and whit worth threads for…
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Dust cap and dust plug
Dust plug to protect the couplings against the ingress of dirt and water.
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Parking device
For safe and dedicated storage of hose unit. Available with or without parking sensor.
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Vented dust cap
Dust and de-icing cap for DCC tank unit that ensure clean and dry sealing interface…
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None projecting pistons
When coupled, the piston spindle does not protrude. This special type is e.g. useful when…
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Compact tank unit
For use where the space is restricted i.e. inside the cabinet of a tank truck.
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