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Mtsooning 4PCS Oxygen Acetylene Flashback Arrestors Set Regulator End Standard 'B' 9/16-18 Threads for Torch

4.3 (4) Write Review
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$27.54

$ 13 .99 $13.99

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  • [Durable Material]The flashback arrestors are made of solid copper, making them strong and long-lasting
  • [Operating Pressures]The oxygen check valve can withstand up to 15bar/210PSI, while the acetylene check valve has a maximum capacity of 1.5bar/21PSI
  • [Check Valve Function]With a unidirectional flow design, the flashback arrestor ensures gas only moves forward and prevents backward flow, thereby safeguarding against accidents
  • [Installation Note]This device should be installed between the regulator and the hose. Additionally, the acetylene arrestor included can also be utilized for Propane or Mapp gas
  • [Specification]Features standard "B" fittings (9/16"-18 UNF), which are compatible with the majority of twin hoses


Product Description

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CHEFFANE MOHAMED
Reviewed in Canada on April 1, 2025
Bien
Tim Bowsher
Reviewed in the United States on September 4, 2024
Didn't blow up, hasn't leaked, I guess they are good.They only fit at the regulator. Was hoping the 2 sets would be for one at the reg and the other at the torch. But all have fittings and flow arrows that state they only work at the regs.
christa e mostoller
Reviewed in the United States on August 26, 2024
One time I heard the whistle in the hoses after sparking the torch taught me to use spark arrestors. Nothing happened that day but I was tangled up under a semi trailer and had no place to retreat to. These little copper one way flow valves should stop any flash explosions from occurring.
Docndee
Reviewed in the United States on November 12, 2024
They work even better than the old ones I replaced them with