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球阀气动塑料球阀意大利弗雷西UPVC球阀
1.耐腐蚀性能强:PVC球阀无论是在酸、碱、盐、氯化、氧化环境中,暴露在空气中、埋于腐蚀性土壤里,甚至在95℃的高温下,内外均不会被腐蚀,扔像较初安装一样坚固、可靠。 2.管道光洁:PVC球阀表面光洁,输送流体时具有较小的摩擦力,细菌及水垢亦不易 ...
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