• 028, Ductile hydrant casting mantelrohr UH. Material,GGG40、50, EN-GJS-40-15. Size,DN50、80、100、150.

• 032, Ductile hydrant casting mantelrohr UH model. Made by machining center. Material, cast iron. Size, DN50、80、10

• 034, Ductile hydrant raw casting mantelrohr UH thickness. Thickness are within required tollerance.

• 035, Ductile hydrant casting mantelrohr UH percussive vibration molding machine. Sand box size, L*W*H,1035*840*30

• 037, Ductile hydrant casting mantelrohr UH metallurgical structure. Nodularity more than 85%, nodular graphite gr

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