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Mann Tek Cryogenic Safety Break-away Coupling-Female NPT

Mann Tek Cryogenic Safety Break-away Coupling-Female NPT

Part Number CRYSBC600SS
Material 316 Stainless Steel
Female Thread NPT
Female Thread Size 6"
Working Pressure 230 PSI
Minimum Temperature -328°F (-200°C)
Weight Lb 88.1849


  • Container discharge
  • Fuel bunkering
  • Loading / unloading of tank trucks, rail cars and ship tankers
  • Vapor recovery lines


  • Operates independently of shut-off safety system and does not require an external power source
  • Lightweight, easy to reset and repair on with site with one person
  • High flow rate / low pressure drop
  • Positive shut-off of both coupling halves results in minimum product loss
  • Passive security where a hose or loading arm could be subjected to inadvertent excessive loads
  • Can be installed at fixed points or in the middle of hose strings
  • Available as Industrial or Marine types
  • No loose components which could be lost after release

Available Options

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

Repair Kits
Part # Description Includes Item # Qty
O-NC6-06 6" PTFE Seal Kit for Cryogenic Breakaway
S-NC6-44 6" SS Bolt Kit for Cryogenic Breakaway - 92 kN Bolts

Dimensional Specifications


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Stock Availability