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

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

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

Stepped olive hose outlet - 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 G - 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

Inlet swivel nut 1/4 D regulator - 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 G 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

ISO female fitting det. 3/8 d neutral gas - 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

ISO female fitting det. 1/4 d neutral gas - 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

Female neutral gas fitting det 12x100 d - 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 R and G torch - 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: Stepped olive inlet, pipe, rotating nut outlet, 16x150 G torch

- Male end Ref: 150 362

- 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 connector to screw on (16x150 Left) at the outlet of an ACETYLENE or PROPANE regulator.

Allows quick connection/disconnection of a hose fitted with a male quick connector.

Gas female end for ø10 and 6.3 hose - 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.

French manufacture guaranteed.

Female neutral gas hose fitting - 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

Quick coupling for LINDE type NEMO welding gas bottle with integrated regulator.

Mounting on argon/mixture of argon supply pipe, diam 6-10 mm

Sold individually.

Hose stepped olive inlets - 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

Mounting: Stepped hose olive inlet - Torch rotating nut outlet 16x150 D

- Male end Ref: 150 361

- 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

OXYGENE female quick coupler for regulator outlet mounting. Screw connection 16x150 Straight.

Sold individually

Oxygen hose female end ø10 and 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

These Thermostop valves represent maximum safety for the user. They are equipped with non-return valves, sintered metal ring and a fusible metal part which melts at 90°C.

Guaranteed French manufacturing

Work with a torch safely!

Flame arrester non-return valves to be mounted on hoses diam. 8mm

Conditioned by pair Oxygen and Acetylene.

Safe use of OXYGEN/ACETYLENE torch.

Pair of oxygen and acetylene flame arrester non-return valves.

Mounting on pipes Diam. 10mm

Packaging: pair OX and ACETYLENE

These Thermostop valves represent maximum safety for the user. They are equipped with non-return valves, sintered metal ring and a fusible metal part which melts at 90°C.

Guaranteed French manufacturing

These Thermostop check valves offer maximum safety for the user. They are equipped with non-return valves, a sintered metal ring, and a fusible metal component that melts at 90°C.

Work with an oxy-fuel torch safely!

Flame arrester anti-return protection to be installed on oxygen and acetylene pipes Diam. 10mm

Flame arrester valve with a high flow rate - Gas: acetylene - With male inlet 16x150 left and rotating nut outlet 16 x 150 left

Guaranteed French manufacturing

High-flow flashback arrestor - Gas: acetylene - With 20x150 left-hand male inlet and 20x150 left-hand swivel nut outlet

Guaranteed French manufacturing

Pair of CF type flame arrester non-return valves which guarantee user protection.

They plug into the torch inlet.

Guaranteed French manufacturing

Set of 2 flame arrester fittings (oxygen and acetylene). Mounting by screwing at the torch inlet.

Suitable for brand products: Le Lorrain, SAF, Charledave, Oerlikon, TLS, ..

Delivery throughout France in 24 hours.

Pair of CF type flame arrester non-return valves which guarantee user protection.

They plug into the torch inlet.

Guaranteed French manufacturing

Pair of flashback arrestors (EN 730-1) type CF to be mounted on a blowtorch with threaded fitting.

Guaranteed French manufacturing

Pair of flame arrester non-return valves (EN 730-1) type CF to be mounted on torch with threaded connection

Guaranteed French manufacturing

Pair of CF type flame arrester non-return valves which guarantee user protection.

They plug into the torch inlet.

Guaranteed French manufacturing

Pair of check valves type CF flashback arrestors that ensure user protection.

They connect to the blowtorch inlet.

Guaranteed French manufacturing

Pair of flashback arrestors (EN 730-1) type CF to be mounted on a blowtorch with threaded fitting.

Guaranteed French manufacturing

Pair of flashback arrestors (EN 730-1) type CF to be mounted on a torch with threaded fitting.

Guaranteed French manufacturing