951002 - Oxygen Reverse Flow Check Valve B-to-B

ESAB 951002 Oxygen Check Valve (B-B)

The ESAB 951002 is a high-performance Oxygen Check Valve designed to enhance the safety of oxy-fuel cutting, welding, and heating operations. Engineered by ESAB, a global leader in welding and cutting solutions, this valve is specifically built to prevent the dangerous reverse flow of gases. In oxy-fuel systems, reverse flow can occur when a tip becomes clogged or when one cylinder empties, potentially allowing gases to mix in the hose or regulator. This check valve acts as a one-way street, allowing oxygen to flow towards the torch while automatically closing if pressure reverses.

Constructed from durable brass, the valve is designed to withstand the rigors of industrial environments. It features standard B-Size (9/16"-18) connections with Right-Hand threads, ensuring compatibility with the vast majority of oxygen hoses, regulators, and torches used in North America. The internal spring-loaded mechanism ensures a positive seal even at low reverse pressures. This unit is an essential safety upgrade for any oxy-fuel outfit that does not already have built-in check valves.

Key Features:

• Reverse Flow Protection: Stops gas from backing up into the supply line.


• Standard Fit: B-Size 9/16"-18 Right-Hand threads for oxygen lines.


• Robust Build: Heavy-duty brass body resists corrosion and wear.


• Easy Installation: Can be installed at the torch or regulator end depending on configuration.

Invest in the safety of your personnel and equipment with the ESAB 951002 Oxygen Check Valve, available now at Josef Gas.