Color classification Dn25 (Outer Diameter 32*3.6mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn20 (Outer Diameter 25*2.8mm Thick) Withstands a Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn25 (Outer Diameter 32*2.4mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn200 (Outer Diameter 225*16.6mm Thick) Withstands 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn150 (Outer Diameter 160*11.8mm Thick) Withstands a Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn200 (Outer Diameter 225*10.8mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn125 (Outer Diameter 140*10.3mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn150 (Outer Diameter 160*7.7mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn32 (Outer Diameter 40*2.0mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn32 (Outer Diameter 40*3.0mm Thick) Withstands 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn40 (Outer Diameter 50*2.4mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn40 (Outer Diameter 50*3.7mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn50 (Outer Diameter 63*3.0mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn50 (Outer Diameter 63*4.7mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn65 (Outer Diameter 75*3.6mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn65 (Outer Diameter 75*5.6mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn80 (Outer Diameter 90*6.7mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn100 (Outer Diameter 110*8.1mm Thick) Withstands 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn125 (Outer Diameter 140*6.7mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn100 (Outer Diameter 110*5.3mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn80 (Outer Diameter 90*4.3mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn15 (Outer Diameter 20*2.0mm Thick) Withstands a Pressure of 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn15 (Outer Diameter 20*2.3mm Thick) Withstands a Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn20 (Outer Diameter 25*2.0mm Thick) Withstands Pressure of 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn250 (Outer Diameter 280*13.4mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn250 (Outer Diameter 280*20.6mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn300 (Outer Diameter 315*15mm Thick) Withstands 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn300 (Outer Diameter 315*23.2mm Thick) Withstands Pressure of 16kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn350 (Outer Diameter 355*16.9mm Thick) Withstands a Pressure of 10kg Per Meter([National Standard Size, Invoice Can Be Issued]) Dn350 (Outer Diameter 355*26.1mm Thick) Withstands 16kg Per Meter([National Standard Size, Invoice Can Be Issued])
