🔥 Safety that speaks volumes! Certified for reliability and performance. Dual protection with non-return and thermal cut-off valves. Designed for 3⁄8” BSP fittings, hassle-free setup. Automatically activates at 100°C for ultimate safety. Comes as a single unit for your immediate needs. BAM Approved High-level protection Thermal cut-off at 100°C The Parweld Flashback Arrestor is engineered for superior safety in fuel applications, featuring a non-return valve and an automatic thermal cut-off that activates at 100°C. With BAM approval, this product ensures peace of mind for professionals handling acetylene and propane.