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Steel, brass, copper, cupronickel, aluminium
Do=10-32, Dz=9,8 – 31,8, Dp=7,5 – 29, Dw=5,5 – 27
n=19 or 26 fins/inch
L=12 000 mm
Made according to customer requirements and our internal standard WTWiO-2009/MN/1