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壓力開接觸材質(zhì)的選擇
壓力開關(guān)接液材質(zhì)是指可能會(huì)與被測(cè)介質(zhì)直接接觸的元件的材質(zhì)，該材質(zhì)的選擇是直接影響壓力開關(guān)敏感元件性能的重要因素，下面天利小編具體來為大家介紹怎樣選擇接液材質(zhì)。
選擇接液材質(zhì)主要需要用戶考慮壓力開關(guān)日后所測(cè)量的介質(zhì)，一般情況下，壓力開關(guān)的接液材質(zhì)為黃銅，這種材質(zhì)主要是測(cè)量無腐蝕、無黏度、無結(jié)晶的介質(zhì)，是最普通也是市面上較常見的一種。
當(dāng)被測(cè)介質(zhì)帶有腐蝕性，那就需要選擇不銹鋼的材質(zhì)了，而且要采用化學(xué)密封，這樣不但可以測(cè)量介質(zhì)的壓力，也可以有效的阻止腐蝕介質(zhì)與壓力開關(guān)接液部分的接觸，一定程度上保護(hù)了壓力開關(guān)，延長(zhǎng)了它的使用壽命。
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