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機(jī)械式壓力開(kāi)關(guān)內(nèi)部NBR是指丁晴嗎,?軸向壓力表內(nèi)部有橡膠密封嗎,? |
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點(diǎn)評(píng)
PTFE確實(shí)耐絕大多數(shù)酸堿鹽等無(wú)機(jī)物料的腐蝕,耐溫性能也好,,但是你這輸送高分子物料,,是否與物料發(fā)生反應(yīng),一定要咨詢(xún)專(zhuān)業(yè)廠家才可以
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