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Flange drilling

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Ductile iron  
PN 10/16  
Flanged Backflow Preventer

YQJDFQ4TX-10Q/16Q

PN class: PN 10/16

Material: Ductile iron

Nominal diameter： DN65-400

Flanged Backflow Preventer

YQJDFQ4TX-10Q/16Q

PN class: PN 10/16

Material: Ductile iron

Nominal diameter： DN65-800