タイトルまたは説明

　Three kinds of commonly used rubber gasket function introduction

　　Using the valve, the general, according to the circumstances of the has replaced the original belt washer, so the gasket is commonly used in reality what?

　　Such as: rubber gasket, rubber o-ring, plastic flat washer and so on, of course, there will be other washer, here is differ a first introduction, introduce three kinds of commonly used washer.

　　(1) rubber flat washer: simple deformation, when the pressure is not demanding, but pressure and low temperature resistant to all, only for low pressure, high temperature is not local. The function of natural rubber is must be resistant to acid and alkali, using temperature is unfavorable exceed *0 ℃; Neoprene also can do some soda acid, using temperature is *0 ℃; Nitrile rubber oil resistant, available to *0 ℃; Fluorine rubber anti-corrosive function is wonderful, heat-resistant function also is better than general rubber, can be applied in **0 ℃ medium.

　　(2) the rubber o-ring gasket: cross section shape is round, there must be self-tightening effect, sealing effect is better than flat washer, smaller compression force.

　　(3) plastic flat washer: plastic good corrosion resistance, is the best feature of most owe good plastic heat resistance function. Ptfe plastic crown, not only good corrosion resistant function, and heat resistance scale contrast is broad, can be in within **0 ℃ ~ + **0 ℃ - long time use.

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