Sealing gasket for plate heat exchanger
A technology of plate heat exchangers and sealing gaskets, which is applied in heat exchange equipment, lighting and heating equipment, laminated components, etc., can solve problems affecting and restricting the survival and development of enterprises, and limiting the application range of plate heat exchangers. Achieve high sealing performance, limited rebound rate and stable mechanical properties
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[0015] The sealing gasket used in the plate heat exchanger of the present invention uses a higher content of aramid fiber and artificial rock wool (sepiolite) as the reinforcing material (namely filler), and uses natural rubber, styrene butadiene or NBR is used as the binder, organic and inorganic fibers are used as the frame, and the sheet is specially made by rolling method, namely NY4250 oil-resistant non-asbestos rubber sheet. The board is 100% free of asbestos and has superior overall performance. The prepared NY4250 oil-resistant non-asbestos rubber sheet with a thickness of 3.6 mm is laser-cut into a shape corresponding to the sheet sealing groove, which is the sealing gasket of the present invention. Its main technical characteristics are shown in Table 1:
[0016] Table 1 Main technical characteristics of oil-resistant non-asbestos rubber gasket
[0017]
[0018] The sealing gasket of the present invention has superior temperature resistance performance, strong pressure b...
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