Model
VGR-11
VGR-14
VGR-25
VGR-28
VGR-10
VLR-15
VLR-18
VFR-33
VFR-31
VGR-11
|
Introduction
• Light duty Brass gas pressure regulators for cylinders • Diaphragm type single-stage structure • Non-flammable gas with built-in safety valve • Inlet pipe is equipped with a filter screen • Outlet is equipped with 5/16"hose connector • Gauge: 2",Diaphragm: 1-1/4" |
Application
• It can meet the demand of small flow • It can be used in analytical instruments and other small flow occasions |
Technical parameters
| Type | Single-stage |
|
| Inlet pressure Max | 20 MPa | |
| Outlet pressure Max. | 0.6 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | Zinc alloy plating | |
| Diaphragm | Neoprene | |
| Dimension | 130x120x70mm | |
| Weight | 0.88 KG | |
VGR-14
|
Introduction
• Medium pressure regulators for cylinders • Diaphragm type single-stage structure • Non-flammable gas with built-in safety valve • Inlet pipe is equipped with a filter screen • Outlet is equipped with 5/16"hose connector • Gauge: 2",Diaphragm: 2-1/2" |
Application
• It can meet the demand of medium flow • It can be used in analytical instruments and other small flow occasions |
Technical parameters
| Type | Single-stage |
|
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 1.4 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | Zinc alloy plating | |
| Diaphragm | Neoprene | |
| Dimensions | 170x140x90mm | |
| Weight | 1.33 kg | |
VGR-25
|
Introduction
• Medium pressure regulators for cylinders • Diaphragm type unipolar decompression structure • Non-flammable gas with external safety valve • Inlet pipe is equipped with a filter screen • Outlet equipped with 5/16"hose connector • Gauge: 2",Diaphragm: 2" |
Application
• It can meet the demand of medium flow • It can be used in analytical instruments and other medium flow occasions |
Technical parameters
| Type | Single-stage |
 |
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 0.86 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | Brass | |
| Diaphragm | Neoprene | |
| Dimensions | 160x140x100mm | |
| Weight | 1.21KG | |
VGR-28
|
Introduction
• Heavy duty pressure regulators for cylinders • Piston type single-stage structure • Non-flammable gas with external safety valve • Inlet pipe is equipped with a filter screen • Gauge: 2-1/2" |
Application
• It can meet the demand of ultra large flow • Suitable for analytical instruments, lasers, gas supply systems and other large flow requirements |
Technical parameters
| Type | Single-stage |
|
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 15 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | Brass | |
| Diaphragm | Neoprene | |
| Dimensions | 200x220x130mm | |
| Weight | 4.5KG | |
VGR-10
|
Introduction
• Pressure regulator for cylinders • Piston type structure • Optional external safety valve • Inlet pipe is equipped with a filter screen • Outlet is equipped with 5/16"hose connector • Gauge: 2" |
Application
• Used in calorimeter,analytical instrument,laboratory and other applications with high output pressure requirements |
Technical parameters
| Type | Spring-piston |
|
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 15 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | Zinc alloy plating | |
| Diaphragm | Neoprene | |
| Dimensions | 150x100x140mm | |
| Weight | 1.05 KG | |
VLR-15
|
Introduction
• Pipeline pressure regulator • Do not connect cylinders directly • Diaphragm type single-stage structure • Inlets / Outlets：1/4"NPT • Gauge: 2",Diaphragm: 2" |
Application
• Used for reducing of low and medium pressure pipeline in centralized gas supply system, it can adjust and display the pressure of pipeline system |
Technical parameters
| Type | Spring-piston |
|
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 15 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | brass | |
| Diaphragm | Neoprene | |
| Dimensions | 65x140x100mm | |
| Weight | 0.85 kg | |
VLR-18
|
Introduction
• Pipeline Brass gas pressure regulator • Do not connect cylinders directly • Diaphragm type structure • Inlets / Outlets：1/4"NPT • Gauge: 2-1/2",Diaphragm: 3-1/4" |
Application
• Used for reducing of low and medium pressure pipeline in centralized gas supply system, it can adjust and display the pressure of pipeline system • Suitable for panel installation |
Technical parameters
| Type | Spring-piston |
|
| Inlet pressure Max. | 2.4 MPa | |
| Outlet pressure Max. | 0.86 MPa | |
| Materials | ||
| Body regulator | Brass | |
| Upper cover plate | brass | |
| Diaphragm | stainless steel | |
| Dimensions | 100x200x130mm | |
| Weight | 2.90 kg | |
VFR-33
|
Introduction
• Flow meter type pressure regulator for cylinder • Diaphragm type single-stage structure • Inlet pipe is equipped with a filter screen • Outlet is equipped with 5/16"hose connector • Equipped with electric heater, input voltage: 36 / 110 / 220VAC • Outlet connection：M16x1.5 • Gauge: 2" |
Application
• For carbon dioxide gas shielded welding, mixed gas shielded welding • Suitable for agricultural use of carbon dioxide gas and other occasions • Suitable for carbon dioxide gas |
Technical parameters
| Type | Single-stage |
|
| Inlet pressure Max. | 20 MPa | |
| Outlet pressure Max. | 0.35 MPa | |
| Materials | ||
| Body regulator | Brass / Chrome plated brass | |
| Upper cover plate | Brass / Chrome plated brass | |
| Diaphragm | Neoprene | |
| Inlet connection | G5/8"RH(F) | |
| Outlet connection | M16x1.5RH(M) | |
| Dimensions | 160x180x170mm | |
| Weight | 1.95 kg | |
VFR-31
|
Introduction
• Flow meter type pressure regulator for cylinder • Piston type structure • Inlet pipe is equipped with a filter screen • Outlet equipped with 5/16"hose connector • Gauge: 1-1/2" |
Application
• Suitable for laboratory and other situations where flow measurement is required • Suitable for argon, nitrogen, helium, air, carbon dioxide |
11
Technical parameters
11
| Type | Single-stage |
|
| Max. Inlet Pressure | 20 MPa | |
| Flowmeter service pressure | 0.35 MPa | |
| Materials | ||
| Body regulator | Brass / Chrome plated brass | |
| Upper cover plate | Brass / Chrome plated brass | |
| Diaphragm | Neoprene | |
| Inlet Connection | G5/8"RH(F) | |
| Outlet connection | M16x1.5RH(M) | |
| Dimensions | 120x170x65mm | |
| Weight | 0.70 kg | |
Brass Gas Pressure Regulator is a device commonly used to regulate the pressure of gases, reducing high-pressure gas from a source to a safe and stable working pressure. Our brass pressure regulators are designed to withstand a maximum inlet pressure of 200 bar and provide an outlet pressure of 150 bar, making them ideal for applications requiring high corrosion resistance. Brass, as the main material for the regulator, is the preferred choice in many industrial applications due to its excellent corrosion resistance, machinability, and cost-effectiveness.
Key Features
Strong Corrosion Resistance: Brass offers excellent corrosion resistance, ensuring long-term stable operation, especially when handling gases like air, nitrogen, oxygen, and other industrial gases.
High Strength: Brass has high mechanical strength, allowing it to withstand high pressures and ensuring the safety of the equipment.
Ease of Processing: Brass has superior machinability, enabling precise manufacturing to meet various design requirements.
Cost-Effective: Compared to other metals such as stainless steel, brass is more cost-effective, making it suitable for applications with budget constraints.
High-Temperature Resistance: Brass offers some high-temperature resistance, making it suitable for applications within a moderate temperature range.
Wide Applicability: With a maximum inlet pressure of 200 bar and an outlet pressure of 150 bar, it can meet the needs of various high-pressure gas regulation applications.
Applications
- Gas Supply Systems: Brass regulators are widely used in gas pipeline systems, especially for regulating low-pressure gases like compressed air, nitrogen, oxygen, and natural gas.
- Welding and Cutting Industries: Used in welding and cutting equipment to regulate the pressure of welding gases.
- Laboratories and Research: In laboratories or research facilities, brass regulators are used to precisely control the flow and pressure of gases or liquids.
- Household and Commercial Applications: Some household devices and small commercial systems also use brass regulators to control gas or liquid pressure.
Common Issues
- Leakage: Leakage may occur due to valve, connection, or seal deterioration or damage, leading to gas leaks or unstable pressure.
- Overpressure: Improperly set or maintained regulators may result in excessive outlet pressure, affecting the normal operation of subsequent equipment.
- Corrosion and Dirt Accumulation: Frequent exposure to corrosive gases or liquids can cause internal corrosion or dirt buildup, impacting regulator performance.
- Improper Adjustment: Incorrect adjustment of the regulator may lead to pressure fluctuations or instability, affecting production or equipment safety.
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