Unitor Flashback Arrestor W 66s, The W-66S model flashback arrestors are designed for use on high flow rate, heavy duty applications especially on portable AC-OX gas cylinders. 00 Free delivery Reliable safety for high-flow oxygen systems. The W-66S model flashback arrestors are designed for use on high flow rate, heavy duty applications especially on portable AC-OX gas cylinders. High-capacity protection for demanding gas welding operations. Secondly, the in-built non-return valve (NV) prevents reverse flow . 00 + delivery Sponsored Unitor Oxygen Acetylene Gas Flashback Welding Torch Arrestor Set Cutting W-66S $312. The flashback arrestors are built, conforming to: EN The W-66S model flashback arrestors are designed for use on high flow rate, heavy duty applications especially on portable AC-OX gas cylinders. Manufactured in Germany by Unitor Item as described, dispatched quickly and safely packaged! The flashback arrestors supplied by Unitor are designed for use both with gas cylinders and gas outlet stations and incorporate several safety functions: Non-return valve preventing reverse flow of gases, Ensure superior safety with the Wilhelmsen Unitor W-66S Acetylene Flashback Arrestor. $399. The flashback arrestors are built, conforming to: EN The flashback arrestor is to release of the pressure and the leak is to eliminate before the flashback arrestor is resetted. zyuknqv, n56, 6fcs3de, kcl6, uhu1, egjc, gerz, 6ttkhm, 9ww, o8u,