Causes of leakage of sealing parts of flange valve of magnetic flap level gauge

The earliest domestic use of magnetic flap liquid level gauges is a new product. After years of development, side-mounted, top-mounted, anti-corrosion, remote transmission, jacket insulation and other products are quite complete. The production standard of the domestic magnetic flap level gauge is mainly based on the magnetic level gauge standard HG/T21584-95. The magnetic flap level gauge sometimes encounters the leakage of flange or valve sealing parts, so how to deal with it? 1. The sealing surface of the magnetic flap liquid level gauge leaks: 1. The flange sealing surface of the magnetic flap liquid level gauge is attached with dirt. Solution: Clean the sealing surface. 2. The sealing surface is damaged. Solution: Grind the sealing surface or replace the sealing surface. 2. Reasons and solutions for the leakage of the flange part of the central magnetic column level gauge: 1. The flange connecting bolts are not tightened or the tightening is uneven. Solution: Loosen the screws, and then re-tighten them evenly and symmetrically. 2. The gasket is damaged or invalid. Solution: Replace the gasket. 3. There is dirt between the flange sealing surfaces. Solution: Remove the wash flange. 3. The valve stem transfer is not flexible: 1. The valve core cover is too tight or the bearing is worn. Solution: adjust the packing tightness or replace the bearing. 2. There is debris or dust between the stem or stem nut, and the stem or stem nut is damaged. Solution: disassemble and clean the stem, if damaged, replace the stem or stem nut. 3. The opening and closing device is faulty. Solution: Repair after checking the fault according to the device manual. Fourth, the stuffing box leaks: 1. The packing is loose or the packing gland is biased. Solution: The packing gland should be pressed evenly. 2. The flange packing of the magnetic flip column level gauge fails. Solution: replace with new packing.

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