manual dn150 butterfly valve
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Manual Dn150 Wafers End Type Butterfly Valve
Manual Dn150 Butterfly Valve use the ductile iron for body tensile strength σb (MPa): ≥450 Hardness: 160～210HB and good casting performance, low cost. For this butterfly valve the applicable temperature range is wide, the minimum operating temperature is -40～-60℃, and it can be used at 130℃ for a long time The butterfly valve size will be from 2"-40" and pressure would be PN10/PN16/150LB
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