---
product_id: 528886075
title: "RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard \"B\" 9/16-18UNF Threads Size"
brand: "rx weld"
price: "RM145"
currency: MYR
in_stock: true
url: https://www.desertcart.com.my/products/528886075-rx-weld-oxygen-acetylene-flashback-arrestors-set-regulator-end-standard
store_origin: MY
region: Malaysia
---

# 9/16-18UNF Standard Threads Durable Pure Brass Build One-way Check Valve Safety RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size

**Brand:** rx weld
**Price:** RM145
**Availability:** ✅ In Stock

## Summary

> 🛠️ Safety Meets Precision – Weld with Confidence Every Time!

## Quick Answers

- **What is this?** RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size by rx weld
- **How much does it cost?** RM145 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/528886075-rx-weld-oxygen-acetylene-flashback-arrestors-set-regulator-end-standard)

## Best For

- rx weld enthusiasts

## Why This Product

- Trusted rx weld brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Thread Fit:** Secure 9/16-18UNF 'B' size threading ensures seamless regulator-hose connection.
- • **High Pressure Endurance:** Oxygen valve withstands up to 290 PSI; acetylene valve up to 21 PSI for reliable operation.
- • **Robust Brass Construction:** Crafted from pure copper for unmatched durability and long-lasting performance.
- • **Versatile Gas Compatibility:** Acetylene arrestor also supports Propane and Mapp gas for flexible use.
- • **Ultimate Flashback Protection:** One-way valve design prevents dangerous gas backflow, safeguarding your workspace.

## Overview

The RX WELD Oxygen Acetylene Flashback Arrestors Set features a standard 9/16-18UNF 'B' size thread for easy installation between regulator and hoses. Built with pure brass, it offers durable protection and includes a one-way check valve to prevent hazardous gas backflow. Compatible with acetylene, propane, and Mapp gas, it supports oxygen pressures up to 290 PSI and acetylene pressures up to 21 PSI, ensuring reliable and safe welding operations.

## Description

Full description not available

## Features

- Application: For installation between the Regulator and Hoses
- The thread specification of flashback arrestor is 9/16-18, B size
- Note: The acetylene arrestor in this set can also be used for Propane or Mapp gas
- 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
- Brass Material: The flashback arrestor is formed by pure copper, which is sturdy and durability. The maximum bearing pressure of oxygen check valve is 20bar/290PSI. The maximum bearing pressure of acetylene check valve is 1.5bar/21PSI

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | RX WELDER |
| Part Number | RX WELD Flashback Arrestors |
| Item Weight | 8.8 ounces |
| Package Dimensions | 3.94 x 2.17 x 1.18 inches |
| Item model number | RX WELD Flashback Arrestors |
| Style | for Regulator |
| Power Source | gas_powered |
| Item Package Quantity | 1 |
| Included Components | Flashback Arrestors |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size - Image 1](https://m.media-amazon.com/images/I/71f5u5ESjxL.jpg)
![RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size - Image 2](https://m.media-amazon.com/images/I/61MlQhFTOeL.jpg)
![RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size - Image 3](https://m.media-amazon.com/images/I/61GGzMQdcJL.jpg)
![RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size - Image 4](https://m.media-amazon.com/images/I/61cirtxcnPL.jpg)
![RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size - Image 5](https://m.media-amazon.com/images/I/71rlUdqD1SL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- RX WELD Oxygen Acetylene Flashback Arrestors Set Regulator End - Standard "B" 9/16-18UNF Threads Size
- RX WELD Oxygen Acetylene Hose 1/4-Inch × 50 Feet with 9/16"-18 B Fittings, Torch Hose, Grade R
- RX WELD Oxygen and Acetylene Regulators CGA540 and CGA510- Compatible with V-Style Welding Gas Torch Cutting, T-Handle

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**Shop now:** [https://www.desertcart.com.my/products/528886075-rx-weld-oxygen-acetylene-flashback-arrestors-set-regulator-end-standard](https://www.desertcart.com.my/products/528886075-rx-weld-oxygen-acetylene-flashback-arrestors-set-regulator-end-standard)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-01-31*