When the level gauge glass is damaged, blurred, or leaking,it should be replaced in time.The article is applicable to industrial operating conditions in the chemical, petroleum, boiler, pharmaceutical, and related industries.We provide a simple method for replacing the level gauge glass.In order to help global B2B industrial purchasers and operators efficiently resolve issues, ensuring the safe operation of industrial production.
1.When should the level gauge glass be replaced
The glass has cracking and damage, posing safety hazards.
Severe surface scratches prevent clear observation of the liquid level.
The sealed area has been leaking in a long time, affecting normal production operations.
The glass experiences high-temperature aging, develops fogging and blurring, and loses its functionality.
2.Preparation before replacement
First,we should close the upper and lower valves of the liquid level gauge.Then,we need to depressure and cooling of containers or pipes,drain any remaining medium from the interior,avoiding operating under pressure or at high temperatures.
Additionally,we should confirm the dimensions,pressure resistance and temperature resistance parameters of the new level gauge glass to ensure matching with the original level gauge and operating conditions.We also need to inspect the compatibility of the new sealing gasket material with the medium and prepare the necessary tools for operation and cleaning.
3.Replacement steps
Isolation device:We should confirm again that the valve is closed, pressure has been fully released, and the equipment is cooled.
Remove the old glass:Use a wrench to diagonally and evenly loosen the fixing bolts and cover, then gently remove the old glass and aged sealing gasket.
Clean sealing surface:We can wipe the flange sealing surface and sealing groove with a cleaner to remove oil stains and residual debris, ensuring the contact surfaces are smooth and clean.
Install new glass:First, place the new sealing gasket steadily into the sealing groove, then gently position the new level gauge glass and align it with the flange hole, ensuring it is completely level and properly aligned.
Pressure Test Inspection：Tighten the bolts diagonally and uniformly with moderate force, then slowly restore the pressure.Last,we must check for no leakage and ensure the liquid level display is clear before resuming normal operation.
4.Precautions
We must strictly prevent direct disassembly and assembly under pressurized or high-temperature conditions to avoid medium leakage and glass rupture, which could lead to safety incidents.We suggest that the sealing gasket should be replaced as needed and not reused aged sealing gasket must be discarded to prevent leakage.
As a professional foreign trade supplier of sight glass, we offer level gauge glass in all specifications.Our products are suitable for industrial applications such as petroleum, chemical, pharmaceutical, and boiler industries. Our products are available in custom sizes, accompanied by professional technical support.
