Quick couplings and valves

Optimize your welding installations with this Le Lorrain male/female quick coupler. Designed for a secure and efficient connection of torches using neutral gas, it enables quick and interchangeable connections within the same setup. Suitable for hoses with a Ø4 to 6 mm diameter, it ensures a reliable and durable connection.

Protect your oxygen installation while maintaining the flow required for demanding professional applications. This LE LORRAIN high-flow non-return valve and flashback arrestor features a 20x150 right-hand female inlet. Order a reliable safety device designed for industrial welding and oxy-fuel cutting systems.

Protect high-flow professional gas installations with equipment designed for demanding industrial environments. The LE LORRAIN 900 323 high-flow flashback arrestor check valve is intended for installations using acetylene or propane. Compliant with EN 730-1, it combines non-return and flame-arresting functions to reinforce gas-line protection. Order a professional solution for oxy-fuel cutting, heating and torch applications.

Quick connector female for Argon and ALTOP / ALbee mixtures - QUICK CONNECT. Compatible with: Inert gases, Ar/CO2, Argon.

Entry connector: Quick connect F. Exit connector: 8 mm

Material: Chrome-plated brass

Flame arrester valve with a high flow rate

Gas: oxygen

With straight 20x150 male inlet and straight 20 x 150 swivel nut outlet

Guaranteed French manufacturing

Quick connector with locking mechanism for mounting on OXYGEN hose Diam. 10 and 6 mm.
Simple assembly thanks to the included tightening clamps.

Essential for the use of supply hoses for blowpipes.

Quick connectors to be mounted on acetylene hose with diameters 6.3 and 10 mm.
Very easy to assemble thanks to the included clamps.

Very popular product, always in stock.

Set of flame arrestor check valves (oxygen and acetylene).

To be screwed onto the outlet of OX and Gas regulators (suitable for acetylene and propane).

Work safely by protecting at the source, as close to the cylinders as possible.

Sold in pairs.

Oxygen hose male end ø10 & 6.3 - Patented locking.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing

Male Gas hose end ø10 & 6.3 - Patented locking.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing

Assembly: Inlet swivel nut 16x150 G regulator - Stepped olive/pipe outlet

- Male end Ref: 150 351

- Female end Ref: 150 374

Patented lock.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing

Mounting: Stepped hose olive inlet - Torch swivel nut outlet 16x150 G

- Male end Ref: 200 126

- Female end Ref: 150 343

Patented lock.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing

Quick coupling with anti-return flame arrester. Mounting on the OXYGENE regulator outlet.

Complete set including the female connector to be screwed onto the regulator outlet and the female part to be mounted on the OXYGEN hose

Assembly: Stepped hose olive inlet, torch swivel nut outlet 16x150 D

- Male end Ref: 200 125

- Female end Ref: 150 342

Patented lock.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing

Swivel nut outlet 16x150 G - Patented locking.

Quick couplings allowing the connection of several torches alternately on the same installation.

The ISO fittings are delivered with the collars allowing the assembly.

Guaranteed French manufacturing