--- product_id: 557046684 title: "Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size" brand: "vaphy" price: "€ 29.48" currency: EUR in_stock: true category: "Vaphy" url: https://www.desertcart.ie/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18 store_origin: IE region: Ireland --- # One-way check valve safety 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:** € 29.48 **Availability:** ✅ In Stock ## Summary > 🔥 Safety Meets Precision – Never Compromise on Your Gas Flow! 🛠️ ## 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?** € 29.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/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 - • **Safety-First Design:** One-way check valve prevents dangerous gas backflow, protecting your workspace and team. - • **Unmatched Durability:** Crafted from pure copper for long-lasting, rugged performance in demanding environments. - • **Multi-Gas Versatility:** Acetylene arrestor also compatible with Propane and Mapp gas, expanding your welding and cutting capabilities. - • **Universal Compatibility:** Fits standard 9/16-18 B size threads, perfect for seamless integration with your existing regulator and hoses. - • **Precision Pressure Control:** Handles up to 210 PSI oxygen and 21 PSI acetylene pressure, ensuring reliable operation under high stress. ## Overview The VAPHY Oxygen Acetylene Flashback Arrestors Set features a robust pure copper build, engineered to withstand up to 210 PSI oxygen and 21 PSI acetylene pressures. Its one-way check valve design ensures gas flows safely in one direction, preventing hazardous flashbacks. Designed with standard 9/16-18 B size threads, it fits seamlessly between regulators and hoses, and supports multiple gases including Propane and Mapp, making it an essential safety upgrade for professional welders and fabricators. ## Description VAPHY Oxygen Acetylene Flashback Arrestors Set Regulator End 9/16-18 Threads B Size - desertcart.com ## 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 | #141,294 in Automotive ( See Top 100 in Automotive ) #63 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. ## 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.ie/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18](https://www.desertcart.ie/products/557046684-oxygen-acetylene-flashback-arrestors-set-regulator-end-9-16-18) --- *Product available on Desertcart Ireland* *Store origin: IE* *Last updated: 2026-07-04*