Page 361 - Mechanical Products Installation Handbook IH-1000M

ENGINEERING REFERENCE
Global Pipe Size Designations
Outside Diameter (OD)
353
JIS ANSI mm Inches
DN 350 14
GB China mm
DN 350
India
(4 of 4)
IMPORTANT NOTE:
Nominal designations are used where the actual OD of the pipe matches the ANSI size. Otherwise both the nominal and actual OD are listed.
China sizes are listed as actual OD in mm. ** China sizes are tubing sizes.
IS 1239
IS3589
– –
– – 377mm
DN 450 18 DN 450
– – 480mm
DN 550 22 559mm
– – 580mm
–
–
DN 400
16
DN 400
–
–
–
–
426mm
–
–
– –
– –
– –
– –
DN 500
20
DN 500
–
–
–
–
530mm
–
–
DN 600
24
DN 600
–
–
–
–
630mm
–
–