How to choose the industrial gas filter?
Choosing the right industrial gas filter is crucial for ensuring safety, efficiency, and reliability in gas-burning, heating, or processing systems. Here’s a clear and professional guide to help you make the right selection:
Key Factors to Consider When Choosing an Industrial Gas Filter
Gas Type & Application—Ekgas
Different gases contain different impurities.
| Gas Type | Common Contaminants |
|---|---|
| Natural Gas | Dust, rust, oil mist, moisture |
| LPG / Propane | Oil, sulfur compounds, wax |
| Biogas | Water vapor, H₂S, dirt, siloxanes |
| Compressed Air | Oil, particulates, condensate |
Select filter material and design suitable for your specific gas composition.
Filtration Level (Micron Rating)—Ekgas
The micron rating determines the particle size the filter can capture.
| Filtration Level | Typical Use |
|---|---|
| 50–100 µm | General protection, pre-filtration |
| 5–25 µm | Standard burner and valve protection |
| 1–5 µm | Precision equipment, sensors, regulators |
| <1 µm | High purity applications (lab, gas analyzers) |
For industrial burners, valves, and regulators, 5–25 µm filters are widely used.
Flow Rate & Pressure Drop–Ekgas
Ensure the filter can handle your system’s maximum flow rate (Nm³/hr) without causing excessive pressure loss.
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Check Cv/Kv values or manufacturer’s flow charts
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Larger filter housing = lower pressure drop
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Clogged filters increase energy consumption and damage equipment
Choose a filter with pressure drop < 0.03–0.05 bar under normal flow.
Working Pressure & Temperature–Ekgas
Verify the filter is suitable for your system conditions.
| Parameter | Typical Range |
|---|---|
| Pressure | 0.5 – 16 bar (industrial) |
| Temperature | -20°C to 80°C |
Use carbon steel or stainless steel for high-pressure and corrosive environments.
Filter Element Material–Ekgas
Choose according to gas type, operating temperature, and required durability.
| Material | Features | Application |
|---|---|---|
| Paper | Low cost, basic filtration | Standard natural gas |
| Sintered Bronze | Durable, reusable | Industrial burners |
| Stainless Steel Mesh | High pressure, washable | Harsh environments |
| Polyester / Fiber | Fine filtration | Precision devices |
Maintenance & Replacement–Ekgas
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Prefer filters with easy element replacement and visible clog indicators
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Choose filters with differential pressure gauge for timely cleaning
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Washable elements reduce long-term cost
Certifications & Standards (Important for Safety)–Ekgas
Look for compliance with:
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EN 779, EN 60335
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ISO 8573
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ATEX (for explosive environments)
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CE / UL / CSA approvals
Recommended Usage Matching–Ekgas
| Industrial Equipment | Recommended Filter Type |
|---|---|
| Gas Burner | Bronze or polyester 5–25 µm |
| Solenoid Valve | Precision filter <10 µm |
| Gas Regulator | Fine filter 5–25 µm |
| Measurement Equipment | High purity <1 µm |
| Biogas System | Multi-stage filters + desulfurizer |
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