Here’s a practical, field-tested guide to keep an industrial gas solenoid valve working reliably and safely.

1. Keep the Gas Clean (Most Important!)

Dirty gas is the #1 killer of solenoid valves.

✔ Install a gas filter/strainer upstream (80–100 mesh is common)
✔ Clean or replace the filter regularly
✔ Make sure no rust, dust, oil, or pipe sealant enters the valve

👉 If the valve sticks or leaks, contamination is usually the reason.

2. Correct Installation Matters

Bad installation shortens valve life fast.

✔ Install in the correct flow direction (follow the arrow)
✔ Mount the coil upright (vertical) when possible
✔ Avoid mechanical stress on the valve body
✔ Use proper thread sealant (not excessive tape)

⚠️ Never use the solenoid valve to support pipe weight.

3. Match Voltage & Electrical Quality

Electrical problems burn coils.

✔ Use the exact rated voltage (AC/DC matters!)
✔ Check voltage stability (±10% max)
✔ Tighten terminals firmly (loose wiring = overheating)
✔ Ensure good grounding

🔥 A hot coil is a warning sign—don’t ignore it.

4. Protect the Coil

The valve body is tough; the coil is sensitive.

✔ Keep coil dry (use IP65/IP67 coil if humid area)
✔ Protect from water, oil spray, and dust
✔ Ensure ventilation—don’t bury it in insulation

If the coil smells burnt or discolors → replace immediately.

5. Operate Within Pressure & Temperature Limits

Every solenoid valve has limits.

✔ Do NOT exceed:

• Maximum gas pressure

• Minimum pressure (some valves need differential pressure)

• Ambient & gas temperature range

Overpressure = seal damage
Overtemperature = coil failure

6. Regular Inspection & Testing

A little checking prevents big shutdowns.

Weekly / Monthly checks:
✔ Listen for clean “click” when energized
✔ Check for gas leakage at joints
✔ Monitor response time (slow opening = trouble)
✔ Check coil temperature by touch (warm OK, hot NO)

7. Periodic Cleaning (Planned Maintenance)

For critical systems:

✔ Shut off gas & power
✔ Remove valve and clean internal parts
✔ Inspect seals and plunger
✔ Replace worn seals instead of waiting for failure

📅 Typical interval: every 6–12 months (depends on gas quality)

8. Use the Right Valve for the Job

Wrong selection = short life.

✔ Gas type (natural gas, LPG, biogas, etc.)
✔ Normally closed vs normally open
✔ Fast-acting vs slow opening
✔ Safety-certified valve (EN161, UL, etc.)

Common Warning Signs 🚨

If you see any of these, act fast:

• Valve not opening or closing fully

• Coil overheating or buzzing

• Gas leakage when closed

• Delayed response

Phone: 86 185 6630 3837
WhatsApp: 86 185 66303837
Email: ekelairn@gmail.com
Web: http://www.ekgas.com