Are there any oxygen flow issues with Flashback Arrestors when using LP gas?
Alternate fuel tips require higher oxygen flow than acetylene for torch operations. Most standard sized fuel gas flashback arrestors will provide the necessary flows to accommodate even the largest tips, however some oxygen flash arrestor designs may not be capable of supplying the necessary oxygen flows needed to supply larger heating tips or cutting tips. This is especially true for cutting tips, due to the higher oxygen flow requirement needed to supply the cutting jet. Greater consideration must be given to the flow capacity of the oxygen flashback arrestors when using LP gases with large torch tips. In some cases simply increasing the oxygen regulator outlet pressure may help to supply the necessary flow for the larger tips.
