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Plate heat exchanger maintenance: What are the common types of plate heat exchanger rubber pads? _

by:DIGUANG     2021-04-08
Plate heat exchanger maintenance: What are the common types of plate heat exchanger rubber pads?

2020-12-25 11:19
230 plate heat exchanger gasket is very important to plate heat exchanger, equivalent to an indispensable part, but there are many types of plate heat exchanger gaskets, today I will share with you the plate heat exchange Repair: What are the common types of plate heat exchanger pads? At present, the commonly used gasket cross-sectional shape is hexagonal. Common types of gaskets include natural rubber, neoprene, nitrile rubber, EPDM, silicone rubber, fluororubber, and asbestos fiberboard. If the gasket of the plate heat exchanger leaks, breaks, ages, or fails during use, it must be replaced in time. The replacement procedure is: remove the used gasket. When disassembling, make sure that there are no scratches in the gasket groove. Use acetone, methyl ethyl ketone or other ketone solvents to remove the residual glue in the gasket groove. Wipe the gasket groove and gasket with a clean cloth or cotton yarn. Spread the adhesive evenly in the gasket groove. Attach a clean new gasket to the board. The plate with the gasket should be placed in a flat, cool, and ventilated place to dry naturally for 4 hours before installation and use. When replacing the rubber gasket of the plate heat exchanger, the user should pay attention to the following issues: the plate that needs to be replaced is placed on a horizontal surface, and the gasket is picked up with a screwdriver, and then gently removed (or use fire on the back of the plate). Bake lightly, but avoid discoloration of the metal) and then tear it off; there is also a liquid nitrogen quick cooling method. Use acetone methyl liquid or other ketone organic solvents to clean the sealed tank. Recommended adhesive: J03A 401 403 glue. It is recommended that the rubber pad be heated at 70~80℃ (or not heated). Apply a layer of adhesive evenly on the bottom of the sealing groove (not too much), gently pull the heated gasket to remove the stolen goods of the gasket, and place it in the sealing groove, fit evenly, and lay it horizontally and flatly. Press appropriate heavy objects, try to prevent dry and ventilated places, and let them dry for 2-6 hours. Check one by one to see if it fits evenly and remove excess adhesive. Reinstall it on the frame and press it to the required L size. Follow the start-up procedure. Grease the clamping bolts, and put on a protective tube when possible to avoid rust and damage to the threads. Today, the editor shared with you the maintenance of plate heat exchanger: What are the common types of plate heat exchanger rubber pads? If you have any questions or needs about plate heat exchanger repair and plate heat exchanger rubber pads, the official website of Diguang Heat Transfer welcomes your consultation.
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