Mann Tek Cryogenic Dry Disconnect Coupler-Hose Unit x Female NPT

Mann Tek Cryogenic Dry Disconnect Coupler-Hose Unit x Female NPT

Part Number CRYDDC600SS
Material 316 Stainless Steel
Female Thread NPT
Female Thread Size 6"
Working Pressure 230 PSI
Minimum Temperature -328°F (-200°C)
Weight Lb 82.6733


  • Container discharge
  • Fuel bunkering
  • Loading / unloading of tank trucks, rail cars and ship tankers, over 6,000 LNG fueling operations since 2013
  • Vapor recovery lines


  • Meet requirements for USCG 16715 CG-OES Policy Letter No. 02-15 use of dry disconnects and breakaway coupling/self sealing quick release
  • Conforms to ISO/DTS 18683 dimensioned for dry disconnects used for bunkering
  • Meets MSC 95/3/4 (IGF code) Section 8.5 Requirements for bunkering system
  • Meets the Society For Gas as a Marine Fuel (SGMF) Safety Guidelines for Bunkering
  • DNV, NKK and BV type approved


  • Single action operation uses a straight forward turning motion to connect the couplings and open the flow path
  • Safe and reliable: valve cannot be opened until the unit is coupled and it closes automatically when disconnecting, eliminating spills
  • Used with a wide range of cryogenic liquefied gases without the risk of cross connection due to human error

Available Options

  • Connections: female NPT, flanged EN and ANSI, others available on request

Safety notes

Repair Kits
Part # Description Includes Item # Qty
O-MC6A-06S PTFE Seal Kit for 6" Cryogenic Coupler
S-MC6A-44 Spare Part Kit for 6" Cryogenic Coupler

Dimensional Specifications


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Stock Availability