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BSA1T波紋管截止閥
DN15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150 and 200 Bonnet SG iron DIN 1693 GGG 40.3 Bellows Stainless steel DIN 17440 X6 Cr Ni Ti 1810 Handwheel Pressed steel BS 1449 CR4 Bonnet bolts Steel DIN 931 Gr. 5.6 Internals Graphite / stainless steel
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