World Wide Metric, Inc.
37 Readington Road
Branchburg, New Jersey 08876
Phone: 732-247-2300 • Fax: 732-247-7258
E-Mail: sales@worldwidemetric.com • Web site: www.worldwidemetric.com
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WELD NECK - 500
Flanges - Weld-Neck DIN PN16 & PN40
Unit of Measure
1 2 

Item #

Size

D

C

Number of Bolts

h 

d 

t 

D2631SS-010 N/A 010 - 3/8" N/A 75 mm N/A 50 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-015 N/A 015 - 1/2" N/A 80 mm N/A 55 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-020 N/A 020 - 3/4" N/A 90 mm N/A 65 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-025 N/A 025 - 1" N/A 100 mm N/A 75 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-032 N/A 032 - 1-1/4" N/A 120 mm N/A 90 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-040 N/A 040 - 1-1/2" N/A 130 mm N/A 100 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-050 N/A 050 - 2" N/A 140 mm N/A 110 mm N/A 4 N/A 14 mm N/A N/A
D2631SS-065 N/A 065 - 2-1/2" N/A 160 mm N/A 130 mm N/A 4 N/A 14 mm N/A 76.1 mm N/A 14 mm
D2631SS-080 N/A 080 - 3" N/A 190 mm N/A 150 mm N/A 4 N/A 18 mm N/A N/A
D2631SS-100 N/A 100 - 4" N/A 210 mm N/A 170 mm N/A 4 N/A 18 mm N/A N/A
D2631SS-125 N/A 125 - 5" N/A 240 mm N/A 200 mm N/A 8 N/A 18 mm N/A N/A
D2631SS-150 N/A 150 - 6" N/A 265 mm N/A 225 mm N/A 8 N/A 18 mm N/A N/A
D2631SS-200 N/A 200 - 8" N/A 320 mm N/A 280 mm N/A 8 N/A 18 mm N/A N/A
D2631SS-250 N/A 250 - 10" N/A 375 mm N/A 335 mm N/A 12 N/A 18 mm N/A N/A
D2631SS-300 N/A 300 - 12" N/A 440 mm N/A 395 mm N/A 12 N/A 22 mm N/A N/A
D2631SS-350 N/A 350 - 14" N/A 490 mm N/A 445 mm N/A 12 N/A 22 mm N/A N/A
D2631SS-400 N/A 400 - 16" N/A 540 mm N/A 495 mm N/A 16 N/A 22 mm N/A N/A
D2631SS-450 N/A 450 - 18" N/A 595 mm N/A 550 mm N/A 16 N/A 22 mm N/A N/A
D2631SS-500 N/A 500 - 20" N/A 645 mm N/A 600 mm N/A 20 N/A 22 mm N/A N/A
D2631SS-600 N/A 600 - 24" N/A 755 mm N/A 705 mm N/A 20 N/A 26 mm N/A N/A
D2631SS-700 N/A 700 - 28" N/A 860 mm N/A 810 mm N/A 24 N/A 26 mm N/A N/A
D2631SS-800 N/A 800 - 32" N/A 975 mm N/A 920 mm N/A 24 N/A 30 mm N/A N/A
D2631SS-900 N/A 900 - 36" N/A 1075 mm N/A 1020 mm N/A 24 N/A 30 mm N/A N/A
D2631SS-1000 N/A 1000 - 40" N/A 1175 mm N/A 1120 mm N/A 28 N/A 30 mm N/A N/A
D2631SS-1200 N/A 1200 - 48" N/A 1405 mm N/A 1340 mm N/A 32 N/A 33 mm N/A N/A
Unit of Measure
1 2