Nominal diameter DN (mm)

D

L

H

H2

H3

H4

R

DN50

φ188

six hundred and twenty

one hundred and forty-eight

three hundred and fifty

four hundred and fifty

/

R1/2"

DN65

φ188

six hundred and eighty

one hundred and seventy-five

three hundred and seventy-six

four hundred and seventy-five

/

R1/2"

DN80

φ159

seven hundred and forty

two hundred and ten

four hundred and thirty-six

five hundred and eighty-five

/

R1/2"

DN100

φ19

eight hundred

three hundred

five hundred and fifty

six hundred and seventy

/

R1/2"3/4"

DN125

φ273

eight hundred and forty

four hundred

six hundred and sixty

eight hundred

one thousand and twenty

R3/4"

DN150

φ273

nine hundred and eighty

four hundred and ninety

seven hundred and eighty

nine hundred and forty

one thousand one hundred and forty

R1"

DN200

φ325

one thousand and eighty

six hundred and forty

nine hundred and ninety

one thousand one hundred and ninety

one thousand three hundred and eighty

R