How to keep an industrial gas filter works be good condition
Here’s a clear, practical checklist you can actually use in the field.
1. Install it correctly (this matters more than people think)
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Correct flow direction – always follow the arrow on the filter body
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Right size – undersized filters clog fast and cause pressure drop
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Proper mounting – vertical installation with the drain at the bottom is best
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No pipe stress – misaligned piping can crack the filter housing over time
2. Drain condensate regularly
Moisture is the #1 killer of gas filters.
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Drain daily or weekly depending on gas quality
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Use manual drain for routine checks, or automatic drain for continuous systems
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Never let condensate reach the filter element—it ruins filtration efficiency
3. Monitor pressure drop across the filter
This is your early-warning system.
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Install pressure gauges before and after the filter
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Normal condition: small, stable pressure difference
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Sudden increase = clogged element
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Sudden drop = damaged or bypassed element
👉 Set a pressure-drop limit and replace the element before it hits that value.
4. Clean or replace the filter element on schedule
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Follow the manufacturer’s service interval
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Replace sooner if:
⚠️ Never wash paper or fiber elements unless the manufacturer explicitly allows it.
5. Protect the filter from contamination
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Install the filter upstream of regulators, solenoid valves, and burners
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Keep pipeline clean after maintenance (flush lines before restarting)
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Use a coarse pre-filter if gas quality is poor
6. Inspect during routine maintenance
At least once per month:
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Check housing for corrosion or cracks
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Check seals and O-rings for hardening or leaks
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Verify drain valve operation
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Confirm no external gas leakage
7. Match the filter to gas type and conditions
Make sure the filter is suitable for:
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Gas type (natural gas, LPG, biogas, etc.)
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Operating pressure and temperature
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Filtration rating (micron size matched to burner and valve requirements)
Wrong filter = frequent failures downstream.
8. Keep maintenance records
Simple but powerful:
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Installation date
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Drain frequency
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Element replacement dates
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Pressure-drop trends
This helps you predict failures instead of reacting to them.
Bottom line
A gas filter stays in good condition when it is:
✔ Properly installed
✔ Regularly drained
✔ Monitored for pressure drop
✔ Serviced before it clogs
✔ Matched to the system
Phone: 86 185 6630 3837
WhatsApp: 86 185 66303837
Email: ekeilairn@gmail.com
www.http://ekgas.com
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