Break Away

for DEF/AdBlue®

FLEX-ING™ brand diesel exhaust fluid ¾” break aways provide in-line protection for hanging hardware in the event of a drive off. These break aways feature a stainless steel design and internal components that make them completely compatible with DEF/AdBlue®. Upon separation the check valve in each half of the break away seals instantly, preventing fuel from escaping at both ends.



  • Consistent separation force.
  • The ball check valves seal both halves of the break away instantly upon separation.
  • Machined from solid stainless steel bar stock.
  • The two halves of the break away are sealed before the check valves open creating a completely dry break.


  • Body and valve: Stainless steel
  • Check valve: PTFE
  • Seals: Viton
  • Ring cover: Nylon (integrated)
  • Max. working pressure: 50 PSI
  • Break rings break force: 325 lbs.
  • Height: 3.25″

Order Info

Model Description
BRK34SS-N ¾” NPT DEF break away
BRK34SS-P ¾” BSPP DEF break away