Dixon DDC300AL 3 in. Female NPT Aluminum MannTek Dry Disconnect Coupler - Hose Unit

3 in.
Product Type:
MannTek - Todo Style x FNPT
8.60 LBS
WARNING: This product may contain a chemical known to the State of California to cause cancer & reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Dixon's MannTek dry disconnect couplings have a built-in swivel and are designed for the 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 common caustic and specialty acids.

Note: Compatible with Mann-Tek, Avery Hardoll and Todo-matic® and any other product produced according to NATO standard STANAG 3756.


  • Coupler has built-in swivel
  • 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
  • Safety - the valve cannot be opened until the unit is coupled
  • Shaft journal in stainless steel embedded in PTFE to eliminate seizure
  • Riveted piston pin to minimize the risk for failure under extreme pressure conditions
  • The protective ring is a specially formulated, weather resistant and electrically conductive rubber compound
  • Composite (Polyeten PE-HD 300) plugs provide good protection against corrosion and withstand hot and cold environments


  • Series: MannTek Dry Disconnect Coupler Hose Unit x Female NPT
  • Part: DDC300AL
  • Size: 3 in. Female NPT
  • Body Size: 119 mm.
  • Construction: Aluminum
  • Ball Bearings: Stainless Steel
  • Wetted Parts: Stainless Steel
  • Rollers: Aluminum Bronze on the Stainless Steel Shaft
  • Seal: FKM (FPM)
  • Working Pressure: 230 PSI
  • Standards: Produced according to NATO standard STANAG 3756 and ATOFINA SGM 2049.TUY.C.
  • Weight: 8.6 lbs.


Product Manual (PDF Download)

Product Drawing (PDF Download)