Lab-Master Pipeline, Single-stage and two-stage nickel plated brass, stainless steel diaphragm regulators are designed to control high and low cylinder pressure, high purity (up to grade 5.0) gases from cylinders or pipelines to stable outlet pressure. This is essential for speciality gas control applications throughout laboratory, research and development, analytical facilities and many industries.
Lab Master Single Stage Cylinder Regulator (LGS500)
The Lab Master LGS500 Series single stage diaphragm regulators are designed for the primary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on applications where slight variation from decreasing cylinder pressure is acceptable.
LGS501 has FKM Pressure Relief Valve
LGS502 has EPDM Pressure Relief Valve
Features
- Six Port Configuration
- Rear Panel Mounting Capabilities
- Encapsulated Seat Design
- Low Wetted Surface Area
- Full Range of Inlet & Outlet Fittings
- Side Entry
Materials
- Body – Nickel Plated Brass Barstock
- Bonnet – High Strength Alloy
- Diaphragm – 316L Stainless Steel
- Seal – PTFE
- Seat – Polyamide (Nylon)
- Filter – 10 Micron 316L Stainless Steel
Specification
- Max Inlet Pressure – 60 bar / 300 bar
- Outlet Pressure – 0-1.5 bar; 0-3.5 bar; 0-6 bar; 0-10 bar
- Gauges – 50mm
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Flow Coefficient (Cv) – 0.1
- Weight – 1.2 Kg
How to order
Catalogue

Lab Master Two Stage Cylinder Regulator (LGT500)
The Lab Master LGT500 Series two stage diaphragm regulators are designed for the primary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on applications where consistent delivery pressure is required as cylinder pressure decreases.
LGT501 has FKM Seal and Pressure Relief Valve
LGT502 has EPDM Seal and Pressure Relief Valve
Features
- Six Port Configuration
- Encapsulated Seat Design
- Low Wetted Surface Area
- Full Range of Inlet & Outlet Fittings
- Side Entry
Materials
- Body – Nickel Plated Brass Barstock
- Bonnet – High Strength Alloy
- Diaphragm – 316L Stainless Steel
- Seal – PTFE
- Seat – Polyamide (Nylon)
- Filter – 10 Micron 316L Stainless Steel
Specification
- Max Inlet Pressure – 60 bar / 300 bar
- Outlet Pressure – 0-1.5 bar; 0-3.5 bar; 0-6 bar; 0-10 bar
- Gauges – 50mm
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Flow Coefficient (Cv) – 0.079
- Weight – 1.7 Kg
How to order
Catalogue

Lab Master Single Stage In-Line Regulator (LGL500)
The Lab Master LGL500 Series single stage diaphragm line regulators are designed for the secondary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on gas distribution systems.
Features
- Four Port Configuration
- Rear Panel Mounting Capabilities
- Encapsulated Seat Design
- Low Wetted Surface Area
- Full Range of Inlet & Outlet Fittings
- Side Entry
Materials
- Body – Nickel Plated Brass Barstock
- Bonnet – High Strength Alloy
- Diaphragm – 316L Stainless Steel
- Seal – PTFE
- Seat – Polyamide (Nylon)
- Filter – 10 Micron 316L Stainless Steel
Specification
- Max Inlet Pressure – 60 bar
- Outlet Pressure – 0-1.5 bar; 0-3.5 bar; 0-6 bar; 0-10 bar
- Gauges – 50mm
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Flow Coefficient (Cv) – 0.1
- Weight – 1.1 Kg
How to order
Catalogue

Lab Master Single Point of Use Regulator (LGP500)
The Lab Master LGL500 Series single stage diaphragm outlet point regulators are designed for the secondary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on gas distribution systems.
Features
- Three Port Configuration
- Rear Point Mounting (1/4” NPT Female)
- Encapsulated Seat Design
- Low Wetted Surface Area
- Full Range of Outlet Fittings
- Rear Entry
Materials
- Body – Nickel Plated Brass Barstock
- Bonnet – High Strength Alloy
- Diaphragm – 316L Stainless Steel
- Seal – PTFE
- Seat – Polyamide (Nylon)
- Filter – 10 Micron 316L Stainless Steel
Specification
- Max Inlet Pressure – 60 bar
- Outlet Pressure – 0-1.5 bar; 0-3.5 bar; 0-6 bar; 0-10 bar
- Gauges – 50mm
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Flow Coefficient (Cv) – 0.1
- Weight – 1.2 Kg
How to order
Catalogue

Lab Master Outlet Point With Ball Valve (LGB5000)
The Lab Master LGL5000 Series outlet points are designed for use with the LGP500 Series outlet point regulators for the secondary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on gas distribution systems.
LGB5001 Series – Wall Mounting Outlet Point With FKM Seal
LGB5002 Series – Wall Mounting Outlet Point With EPDM Seal
LGB5011 Series – Bench Mounting Outlet Point With FKM Seal
LGB5012 Series – Bench Mounting Outlet Point With EPDM Seal (Regulator sold separately)
Features
- Isolation Valve (Ball)
- Non-return Valve
- Wall and Bench Mounting
- Rear Point Mounting (1/4” NPT Female)
- Full Range of Outlet Fittings
Materials
- Body – Nickel Plated Brass Barstock
- Seal – FKM / EDPM
Specification
- Max Inlet Pressure – 25 bar
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Weight – 0.55 Kg
How to order
Catalogue

Lab Master Integrated Outlet Point (LGU5000)
The Lab Master LGU5000 Series integrated outlet points are designed for the secondary pressure gas control of non-corrosive and non-toxic high purity gases up to grade 5.0 purity (99.999%) on gas distribution systems.
LGU5001 Series – Wall Mounting Outlet Point With FKM Seal
LGU5002 Series – Wall Mounting Outlet Point With EPDM Seal
LGU5011 Series – Bench Mounting Outlet Point With FKM Seal
LGU5012 Series – Bench Mounting Outlet Point With EPDM Seal
Features
- Multi-Port Configuration
- Isolation Valve (Ball)
- Non-return Valve
- Wall and Bench Mounting
- Full Range of Outlet Fittings
Materials
- Body – Nickel Plated Brass Barstock
- Bonnet – High Strength Alloy
- Diaphragm – 316L Stainless Steel
- Seal – PTFE
- Seat – Polyamide (Nylon)
- Filter – 10 Micron 316L Stainless Steel
Specification
- Max Inlet Pressure – 60 bar
- Outlet Pressure – 0-1.5bar; 0-3.5 bar; 0-6 bar; 0-10 bar; 0-20 bar
- Gauges – 50mm Diameter
- Ports – ¼” NPT Female
- Temperature Range – -20°C to +60°C
- Flow Coefficient (Cv) – 0.1
- Weight – 2.06 Kg
How to order
Catalogue
