Flow / Pressure Regulators

3S type shielded pressure Pressure regulators 

Gas : Argon / CO2 20 l/mn 

Inlet type : C 

Outlet : 12x100 R 

Weight : 1.780 kg 

Made in France. 

3S type shielded pressure Pressure regulators 

Type 3S :

-Separate manometers, monobloc dust proof.

-Oversized forged brass body, with regulator and manometer enclosed.

-Cellular polychloroprene shock resistant protection.

Captive pressure adjustment screw in ABS. 

3S, Gas : Compressed air,  Inlet : B , Outlet : 16 x 150D, Weight : 1.780 kg 

3S type shielded pressure Pressure regulators 

Type 3S :

-Separate manometers, monobloc dust proof.

-Oversized forged brass body, with regulator and manometer enclosed.

-Cellular polychloroprene shock resistant protection.

Captive pressure adjustment screw in ABS. 

Gas : Natural gas/Methane,  Inlet : E , Outlet : 16 x 150L, Weight : 1.780 kg

Made in France.

DM TYPE double flowmeter oxygen pressure regulator 15 l/mn 

Made in France. 

Delivered in 24h in France and Europe. 

Column flowrate pressure regulator for Argon.

Type : DM type double flowmeter neutral gas pressure regulator 15 l/min. 

To be mounted on Argon gas cylinder - available for all EC cylinder connection standards.

Second pressure regulation - Pipe pressure reducer

Type : DM BP oxygen pipe pressure regulator. 

Made in France. 

Delivered in 24h in France and Europe. 

Pipe pressure reducer

Type : DM BP CO2 pipe pressure regulator 0 to 38 l/mn 

Made in France.

Real and only armored pressure regulator With a one-piece shell in brass matrix protecting the pressure gauges. The shielded regulators of the 3?s range benefit from triple protection:

Polychloroprene cell protection for shock absorption.

Oversized one-piece forged brass barrel.

Separate dust-proof pressure gauges.

For more information, please feel free to contact us.

High flowrate pressure regulator. To be connected on oxygen bundles (French standard)

Gas : Oxygen 

Graduation : 315/16 bars 

Maxi pressure : 11 bars 

Inlet : 35x200 R 

Outlet : 20x150 R 

Weight : 4,150 kg 

Equipment inlet type supplied according to the country of use. To be specified by you upon ordering.

Made in France. 

High flowrate pressure regulator 

Gas : Acetylene 

Graduation : 40/2,5 bars 

Maxi pressure : 1,5 bar 

Inlet : 33x200 L 

Outlet : 20x150 L 

Weight : 4,150 kg 

Made in France.

Delivered in 24h in France and Europe. 

DM type single flowmeter oxygen pressure regulator 15 l/min 

Made in France.

DM type single flowmeter neutral gas pressure regulator 15 l/min

Made in France. 

High pressure regulator mainly used to carry out trials or tests under high pressure with nitrogen - Graduation: 315/60 bars.

Adjustable outlet pressure: 1 - 40 bar

Inlet connection for mounting on cylinders of any brand with pressure of 200 bars or 300 bars.

Area of ​​use: inflating shock absorbers, purging the air conditioning network, refrigeration maintenance, pipe testing.

Also available with outlet pressure: 60 bars and 105 bars

Made in Le Lorrain. 

Pire pressure reducer 

Type : DM BP argon pipe pressure regulator 0 to 20 l/mn 

Made in France.

Flow regulator for ARGON/CO2 

To be mounted on a stable piping at 3.5 bar for ARGON/CO2 mixture. Can be mounted on a valve support. 

Type : Preset flow rate regulator position 0+6 to 26 l/min + max. 

Made in France. 

Second pressure regulation distribution. Bracket with valve.

Rear vertical. Male 3/8 gas right-hand thread. Supplied with nut and end-piece to braze.

Front outlet. Male 3/8 gas right-hand treading.

Made in France.

Second pressure regulation - Pipe pressure reducer 

Rear inlet. Male 3/8 gas right-hand thread. 

Type : DM BP PRO or AC pipe pressure regulator 

Made in France. 

Delivered in 24H in France and Europe. 

High flowrate pressure regulator 

Gas : Oxygen 

Graduation : 315/16 bars 

Maxi pressure : 11 bars 

Inlet type : F 

Outlet : 20x150 R 

Weight : 4,100 kg 

Made in France. 

LB21 pressure reducing set. 

Gas : Compressed air 

Graduation : 315b/16b 

Flow/pressure : 35 m3/h - 10bars 

Inlet : B

Outlet : 16x150 R 

Weight : 1,08 kg 

Made in France. 

Delivered in 24h in France and Europe. 

Gas : Nitrogen 

Graduation : 315/160 bars 

Maxi pressure :  105 bars 

Inlet type : C 

Outlet : 16x150 R 

Weight : 2,48 kg 

Made in France. 

Delivered in 24h in France and Europe. 

Second expansion pressure reducer - Second expansion for all non-corrosive gases. 

Graduation : 6 bars 

Pressure/service flow rate : 3 bars / 30 m3/h

Made in France. 

Second expansion pressure reducer - Second expansion for all non-corrosive gases. 

Graduation : 16 bars 

Pressure/service flow rate : 12 bars / 300 m3/h

Made in France. 

Ref : 103 200 L2C2, Gas : Compressed air manometer BP 16 bars,  Inlet : B, Outlet : 16 x 150D, Weight : 1.120 kg

Made in France.

Delivered in 24h in France and Europe. 

High flowrate pressure regulator

Gas :acetylene 

Graduation : 40/é,5 bars 

Maxi pressure : 1,5 bars

Inlet : H 

Outlet : 20x150 L 

Weight : 4,100 kg 

Made in France. 

Delivered in 24h in France and Europe. 

Second expansion pressure reducer

Graduation : 2,5 bars

Pressure/service flow rate : 2 bars / 15 m3/h

Made in France. 

Second expansion pressure reducer - Second expansion for all non-corrosive gases. 

Graduation : 10 bars 

Pressure/service flow rate : 5 bars / 46 m3/h

Made in France. 

L2C2 pressure regulators are regulators with both pressure gauges enclosed in a single flexible rubber housing. Their compactness and their installation, at the back of the regulator/cylinder, limit shocks. They are ideal for workshops with separate trolleys.

For more information, please feel free to contact us.

LB21 pressure reducing set. 

Gas : Ethylene

Graduation : 315b/2,5  

Flow/pressure : 1,5 bars 

Inlet : E

Outlet : 16x150 L 

Weight : 1,08 kg 

Made in France. 

LB21 pressure reducing set. 

Gas : Methane

Graduation : 315b/6.0b 

Flow/pressure : 4.0bars 

Inlet : E

Outlet : 16x150 L

Weight : 1,08 kg 

Made in France. 

Delivered in 24h in France and Europe. 

For all non-corrosives gases. 

Simple board (oxygen or nitrogen) supplied with case, valve, relief valve, and incorporated FBA (flashback arrestor). 

Made in France. 

Delivered in 24h in France and Europe. 

For all non-corrosives gases 

Type : Pressure regulator with neutral gas column. Supplied with casing, valve, relief valve. 

Made in France. 

For all non-corrosive gases. 

Type : Twin board. (1 oxygen pressure reducer + ethylene pressure reducer) supplied with casing, relief valve and built-in FBA. 

Made in France. 

For all non-corrosive gases. 

Type : Twin board (specify the type of gas while ordering). 

Made in France. 

Delivered in 24h in France and Europe. 

For all non-corrosive gases. 

Type : Simple board (all combustible gases) supplied with case, valve, relief valve and incorporated FBA (Flash-back arrestor). 

Made in France. 

For all non-corrosive gases. 

Simple board. (Neutral gas) supplied with casing, valve, relief valve (graduation 38 or 20 l/mn to be specified on the order). 

Made in France. 

For all non-corrosive gases. 

Type : triple board (specify the type of gas in the order). Supplied with casing, valve, relief valve and built-in FBA. 

Made in France. 

Delivered in 24h in France and Europe. 

Wall-mounted expansion unit - for all non-corrosive gases. 

Quadruple board (specify the type of gas in the order). Supplied with casing, valve, relief valve and built-in FBA. 

Made in France. 

For all non-corrosive gases. 

Twin board. (1 oxygen pressure reducer + propane pressure reducer) supplied with casing, relief valve and built-in FBA. 

Made in France. 

Regulator system station - Semi automatic expansion stations 

Type : Semi-automatic neutral non-corrosive gas expansion unit. CEN10/50-BP 10 bars/50 nm3/h 

Inlet : 21.7 x 1.814  - male right - TYPE C 

LB21 pressure reducing set. 

Gas : Propane 

Graduation : 6.0b 

Flow/pressure : 4.0bars 

Inlet : E

Outlet : 16x150 L 

Weight : 1,08 kg 

Made in France. 

Flow regulator for ARGON/CO2 

Type : preset flow rate regulator 4 to 26 l/mn + max 

To be mounted on a stable piping at 3.5 bar for ARGON/CO2 mixture. Can be mounted on a valve support. 

Rear inlet. 3/8 gas right-hand thread. 

3S shielded pressure regulators with electric heater 220 V/125 W 

Gas : CO2 

Graduation : 315 B / 40 l/mn

Flow pressure : 25 l/mn 

Inlet : C 

Outlet : 12x100 kg 

Made in France. 

DM type single flowmeter neutral gas pressure regulator 30 l/min 

Made in France.

High flowrate pressure regulator

Gas : neutral gas 

Graduation : 315/16 bars 

Maxi pressure : 11 bars

Inlet : C 

Outlet : 20x150 R 

Weight : 4,100 kg 

Made in France. 

Delivered in 24h in France and Europe. 

Oxygen pressure regulator 

Type : DDI pressure regulator 

Gas : Oxygen 

Inlet type : F 

Weight : 1,040 kg 

Made in France. 

LB21 pressure reducing sets 

Gas : Oxygen 

Graduation : 315b/16b 

Flow/pressure : 35m3/h - 10 bars 

Inlet : F 

Outlet : 16x150 R 

Weight : 1,08 kg 

Made in France. 

Delivered in 24h in France and Europe. 

LB21 pressure reducing set

Gas : Acetylene 

Graduation : 40b/2,5b 

Flow/pressure : 35 m3/h - 1,5 bars 

Inlet : H 

Outlet : 16x150 L 

Weight : 1.08kg 

Made in France.

Neutral gas pressure regulators 

Type : DDI pressure regulator 

Gas : Neutral gas 

Inlet type : C 

Weight : 1,040 kg 

Made in France. 

3S type shielded pressure Pressure regulators 

Type 3S :

-Separate manometers, monobloc dust proof.

-Oversized forged brass body, with regulator and manometer enclosed.

-Cellular polychloroprene shock resistant protection.

Captive pressure adjustment screw in ABS. 

L2C2, Gas : Oxygen,  Inlet : F , Outlet : 16 x 150D, Weight : 1.780 kg

Genuine LE LORRAIN regulator, for industrial Acetylene cylinder.

This armored model has a one-piece carcass which very effectively protects the pressure gauges.

Ideal for cylinders on carts for work on site.

Delivery in France and Europe, in 48/72H.

3S type shielded pressure Pressure regulator 

Gas : ARGON/CO2 38 l/mn 

Inlet type : C 

Outlet : 12x100 R 

Weight : 1,780 kg 

Made in France. 

DDI pressure regulator 

Gas : Acetylene 

Inlet type : H 

Weight : 1,040kg 

Made in France. 

Delivered in 24h in France and Europe. 

LB21 pressure reducing set. 

Gas : ARGON/CO2 

Graduation : 315b/ 38 l/mn 

Flow/pressure : 25 l/mn

Inlet : C 

Outlet : 12x100 R 

Weight : 1,08 kg 

Made in France. 

DM type double flowmeter neutral gas pressure regulator 30 l/min.

Made in France. 

LB21 pressure reducing set. 

Gas : Nitrogen 

Graduation : 315b/16b 

Flow/pressure : 10bars 

Inlet : C 

Outlet : 16x150 R 

Weight : 1,08 kg 

Made in France. 

LB21 pressure reducing set. 

Gas : Nitrogen 

Graduation : 315b/120 l/mn 

Flow/pressure : 100 l/mn

Inlet : C

Outlet : 16x150 R 

Weight : 1,08 kg 

Made in France. 

This family of regulators used mainly with nitrogen can be used to purge refrigeration installations, inflate shock absorbers, inert large diameter pipes, etc.

We recommend mounting these regulators only on cylinders from B11 = 2 m3 to B50 = 10 m3 or on cylinder bundles.

Adjustable output pressure: 1 - 60 b

Type : DETECOL flow-rate pressure regulator 30 l/mn - neutral gas 

Made in France. 

Station accessories - electric heater.

Gas :  neutral gas : CO2 or Nitrogen

Made in France. 

LB21 pressure regulator

Gas : Argon

Graduation : 315b/ 20 l/mn

Flow/ pressure : 15 l/mn

Inlet : C

Outlet : 12x100 R

Weight : 1,08 kg

Made in France. 

SPECIAL heater for the implementation of CO2 or neutral gas from a bottle in order to avoid cooling or freezing of the regulator and the installation.

Mounting on carbon dioxide bottle.

Helps heat and maintain CO2 in the gaseous phase.

3S Propane/Propylene shielded pressure regulator - 2.5 bar

Frost problem on your Ar/C02 regulator? The solution is to heat the gas to ensure a constant flow.

CO2 is a cold gas, it needs to be heated to use it for MIG welding protection.

French manufacture LE LORRAIN guaranteed for 2 years

External plastic tube with nut all graduations. Guaranteed French manufacturing

Delivery France and Europe in 48 hours.

The neutral gas large flow pressure regulator allows a standard pressure to deliver from 20 to 280 NM3/H. It can be used as a first pressure regulator, in neutral gas, to supply several dozen welding stations.

It is recommended to mount this regulator only on bottles of B50 = 10 m³ or on bundles of bottles.

Second stage pressure regulator for neutral gases (nitrogen, argon) suitable for applications using pure and inert gases. 

Equipped with a stainless steel diaphragm, output pressure adjustment from 0-35 bar.

Allows a very stable output pressure and a very precise adjustment.

Perfect for feeding laser cutting machines. 

Delivery in France within 24h

Discover the bottle regulator with pressure gauge from the EWM brand at HD Soudage. Compliant with ISO 2503, this single stage regulator offers precise and continuous adjustment up to 230 bar.

Equipped with a manometer to display the pressure, this quality product simplifies your welding operations

The DEI regulator for Argon/CO2 gas cylinders is the essential tool for professional welders aiming for excellence in their work while achieving significant gas savings. Don't let pressure spoil your welds; opt for performance, choose the 3-in-1 regulator.

Perfectly adapted for the use of pure and inert gases that need a very stable outlet pressure, as well as a very fine setting of this outlet pressure, equipped with a stainless steel diaphragm.

Perfectly adapted for the very specific power-supply of the electrical TIG/MIG welding units, the built-in adjustment wheel is graduated from 0, 6, 8, 10, 12, 15, 18, 22,26 l/mn with an extra maxi setting for a possible inerting operation (neutral atmosphere).

Discover our armored regulator from the 3S range, designed according to EN 585 / ISO 2503 standards for maximum durability and safety. It features a monoblock brass body, a shock-absorbing cellular polychloroprene coating, and dustproof pressure gauges.

The LB21 regulators are simple pressure regulators, each of whose two gauges is individually covered with a soft rubber casing. Their compact size and the rear regulator/bottle attachment reduce shocks.

The Dynaflow is a precise flow regulator, requiring a stable inlet pressure of 3.5 bars. It is ideal for fine-tuning flow rates in various applications and can handle up to 150 l/mn for different gases (O2, He, H2, N2, Air, and mixtures). Custom options are available upon request.

The Dynaflow is a high-precision flow regulator designed for applications requiring fine flow adjustments. For optimal performance, a stable inlet pressure of 3.5 bars is required. Adaptable to various networks, the Dynaflow can handle flow rates up to 100 l/min.

This product is ideal for users needing precise and reliable regulation in their operations.

Double OX-AD panel. Delivered with body, valve, purge, and integrated ARPF check valves.

This regulator is designed for use with neutral gases, offering a bar graduation of 315/16 and a maximum pressure of 10 bar. It features a Type C inlet and an M16x150 outlet. Weighing only 1.8 kg, it combines lightness and robustness for reliable use in your applications.

Discover our oxygen pressure regulator, available in multiple references to meet your specific needs. With a pressure gauge reading up to 315/60 bar and a maximum pressure of 35 bar, this regulator is compatible with various connection types: Type C with M16x150, G1/4, or G3/8 inputs. Each model weighs 1.8 kg, ensuring optimal stability and reliability. This product is part of our comprehensive range of pressure regulators, designed to deliver high-quality performance.

The flowmeter regulators set at 3.5 bars are equipped with a graduated column (rotameter) providing precise gas flow readings, ideal for TIG welding of stainless steel and aluminum. Available in OX versions with flow rates of 7 and 15 l/min, these models ensure optimal control for superior welding quality.