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.

High flow flame arrestor check valve for OXYGENE, entry 20x150 right female

High flow flame arrestor check valve for ACETYLENE or PROPANE - EN 730-1

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

Swivel nut outlet 16x150 D - 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

Pair of flame arrestor check valves type DA to be mounted on hoses with diameters 10 and 6.3.

Guaranteed French manufacturing

Quick connector for flexible hose int. diam. 4mm and 6.3mm.

Mainly used for the distribution of Argon or Nitrogen gas.

Composed of 2 parts (male end and female end with lock)

Sold individually

Swivel nut outlet 3/8 G - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut entry 3/8 G regulator - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut entry 16x150 D - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Mounting: Stepped olive inlet and outlets

- Male end Ref: 200 122

- 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

Swivel nut outlet 9/16 G - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.
The ISO connectors are delivered with the clamps required for assembly.
Guaranteed French manufacturing

Swivel nut outlet 3/8 D - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 1/4 D - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Female nozzle for gas regulator 3/8 G - Swivel nut entry 3/8 G regulator - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut entry 3/8 D regulator - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.
The ISO connectors are delivered with the clamps required for assembly.
Guaranteed French manufacturing

Swivel nut entry 9/16 D regulator - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.
The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 1/4 G - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.
The ISO connectors are delivered with the clamps required for 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

Quick connectors with male nozzle allowing the alternating connection of several blowpipes to the same installation.
Outlet with stepped olive fitting for mounting on combustible gas hose (Acetylene or Propane) Inner diameter 6.3 - 10 mm - Patented locking mechanism.
The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Assembly: Regulator entry with swivel nut 3/8 D - Outlet with stepped olive fitting for hose Ø 4 to 6 mm

- Male nozzle Ref: 150 376
- Female nozzle Ref: 150 387

Patented locking mechanism.
Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Assembly: Regulator entry with swivel nut 1/4 D - Outlet with stepped olive fitting for hose Ø 4 to 6 mm

- Male nozzle Ref: 150 376
- Female nozzle Ref: 150 383

Patented locking mechanism.
Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Male nozzle for neutral gas hose - Patented locking mechanism.

Quick connectors allowing the alternating connection of several blowpipes to the same installation.

The ISO connectors are delivered with the clamps required for assembly.

Guaranteed French manufacturing

Female arpf end Oxygen hose 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

Swivel nut inlet 9/16 R regulator - Patented locking system.

Quick connectors allowing multiple torches to be connected alternately to the same setup.

ISO connectors are supplied with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut inlet 3/8 R regulator - Patented locking system.

Quick connectors allowing multiple torches to be connected alternately to the same setup.

ISO connectors are supplied with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 9/16 R - Patented locking system.

Quick connectors allowing multiple torches to be connected alternately to the same setup.

ISO connectors are supplied with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 3/8 R - Patented locking system.

Quick connectors allowing multiple torches to be connected alternately to the same setup.

ISO connectors are supplied with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 1/4 R - Patented locking system.

Quick connectors allowing multiple torches to be connected alternately to the same setup.

ISO connectors are supplied with the clamps required for assembly.

Guaranteed French manufacturing

Swivel nut outlet 16x150 D - 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