size: DN125 5-1/2″
Material: 40Cr
Technology: casting and forged
working pressure: 130bar
surface treatment: galvanized or baking paint
Advantage: durable,light and low price
Material: 40Cr
Technology: casting and forged
working pressure: 130bar
surface treatment: galvanized or baking paint
Advantage: durable,light and low price
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 Product name 
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 concrete pump coupling 
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 Colour 
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 white, red, black and galvanized and other colour 
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 Flange 
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 148mm , 157mm, 166mm, 195mm and so on 
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 Brand 
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 Sany, Zoomlion, Putzmeister, Schwing , XCMG 
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