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Evalyasyon Presyon: class150, class300, klas 400, klas 600, klas 900, klas 1500, klas 2500 _ PN6pn10, PN 25, PN 40, PN 64 tèrès yo eksetera.
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Pressure ratings:class150,class300,class400,class600,class900,class1500,class2500 _ PN6pn10,PN25,PN40,PN64 ect.