--- product_id: 557046684 title: "Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size" brand: "vaphy" price: "€ 33.16" currency: EUR in_stock: true reviews_count: 10 category: "Vaphy" url: https://www.desertcart.hr/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18 store_origin: HR region: Croatia --- # 9/16-18 B size thread fit Max pressure 210 PSI O2 / 21 PSI Acetylene Pure copper durability Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size **Brand:** vaphy **Price:** € 33.16 **Availability:** ✅ In Stock ## Summary > 🛠️ Lock in safety and performance with every weld! ## Quick Answers - **What is this?** Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size by vaphy - **How much does it cost?** € 33.16 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18) ## Best For - vaphy enthusiasts ## Why This Product - Trusted vaphy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from pure copper for superior strength and long-lasting performance. - • **Precision Fit:** Standard 9/16-18 B size threads ensure seamless installation between regulator and hoses. - • **Versatile Compatibility:** Works flawlessly with oxygen, acetylene, propane, and Mapp gas setups. - • **Pressure-Ready Performance:** Handles up to 210 PSI oxygen and 21 PSI acetylene pressure for reliable operation. - • **Unmatched Safety Assurance:** One-way valve design prevents dangerous gas backflow, protecting your workspace. ## Overview The VAPHY Oxygen Acetylene Flashback Arrestors Set features durable pure copper construction and a one-way valve design to prevent dangerous gas backflow. With standard 9/16-18 B size threads, it fits easily between regulators and hoses, supporting oxygen pressures up to 210 PSI and acetylene up to 21 PSI. Compatible with propane and Mapp gas, this set ensures reliable, long-lasting safety for professional welding environments. ## Description VAPHY Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - desertcart.com Review: Easy to install and seems to work - Easy to install on gauge end of hose. Used yellow thread tape to ensure no leakage. Fits well and looks like it should work well. Review: Safety - Buena compra ## Features - 【Durable Material】The flashback arrestor is made of pure copper, which is sturdy and durable. - 【Working Pressure】The maximum bearing pressure of oxygen check valve is 15bar/210PSI. The maximum bearing pressure of acetylene check valve is 1.5bar/21PSI. - 【Specification】The thread specification of air inlet and air outlet of flashback arrestor is 9/16-18 B size. - 【Check Valve】The one-way valve design allows the flashback arrestor to guarantee that gas can merely flow in one direction instead of back flow to prevent accidents. - 【Note】For installation between the regulator and hoses. The acetylene arrestor in this set can also be used for Propane or Mapp gas. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CFZZ27NM | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #127,765 in Automotive ( See Top 100 in Automotive ) #66 in Welding Gas Regulators | | Customer Reviews | 4.5 4.5 out of 5 stars (46) | | Date First Available | August 18, 2023 | | Item Package Quantity | 1 | | Item Weight | 9.9 ounces | | Manufacturer | Vaphy | | Package Dimensions | 5.79 x 3.27 x 1.34 inches | | Part Number | OX-AC FAS-Blue | | Style | B-1 Set | ## Images ![Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - Image 1](https://m.media-amazon.com/images/I/51NN0b98AvL.jpg) ![Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - Image 2](https://m.media-amazon.com/images/I/71dmUg8r7cL.jpg) ![Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - Image 3](https://m.media-amazon.com/images/I/71rqO7vl5BL.jpg) ![Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - Image 4](https://m.media-amazon.com/images/I/71oHKMCMDbL.jpg) ![Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - Image 5](https://m.media-amazon.com/images/I/710NPpmycML.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to install and seems to work *by G***N on March 7, 2026* Easy to install on gauge end of hose. Used yellow thread tape to ensure no leakage. Fits well and looks like it should work well. ### ⭐⭐⭐⭐⭐ Safety *by M***O on April 15, 2025* Buena compra ### ⭐⭐⭐⭐ So far so good. *by D***S on April 16, 2025* I didn't give them 5 star's yet because I just bought these in a pinch. They are working just fine, flow is good and I haven't experienced any restrictions. It's used for about 2 weeks now for several hours a days. No negatives yet other than it's not brand named. ## Frequently Bought Together - VAPHY Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - VAPHY Oxygen Acetylene Flashback Arrestors Set 9/16-18 Threads for Torch - RX WELD Oxygen and Acetylene Regulators, CGA540 and CGA200, Compatible with V-Style Welding Gas Torch Cutting - PC Handle --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18](https://www.desertcart.hr/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-23*