法兰标准c = bolts and nuts
d= flanged welding neck with O-ring
groove
e = flanged welding neck without O-ring
groove
f = solid flange
Designation of a flange-type coupling of type B and size DN 1 ½" for flange drilling pattern 3000 psi (3) with
pipe dimension 48,3 x 2,6, flanges, flanged welding neck, bolts and nuts of steel (St), O-ring of Perbunan:
Flange-type coupling SN 532 - B 1 ½“ - 3 / 48,3 x 2,6 St
Table 2
3000 PSI (PN acc. to pipe dimension)
Pipe connection Bolt Nut O-ring
DN PN
max.
outer
diam.
max.
inner
diam.
3)
max.
A T L M ISO
4762
ISO
4032 SN 430
Order example
2) 3)
Weight
½" 250 20,0 14,0 17,5 38,1 60 24,3 M 8 x 40 M 8 18,64 x 3,53 B ¾"-3/ 20,0 x 2,5 St 0,464
¾" 250 30,0 20,0 22,3 47,6 70 32,2 M10 x 40 24,99 x 3,53 B ¾"-3/ 25,0 x 3,0 St 1,220
1" 250 38,0 28,0 26,2 52,4 80 38,5 M10 x 45 32,92 x 3,53 B 1" -3/ 30,0 x 4,0 St 0,979
1 ¼" 250 42,4 33,0 30,2 58,7 90 43,7 M10 x 45
M10
37,69 x 3,53 B 1 ¼"-3/ 38,0 x 3,0 St 1,445
1 ½" 200 48,3 42,0 35,7 69,9 100 50,8 M12 x 50 47,22 x 3,53 B 1 ½"-3/ 48,3 x 2,6 St 2,044
2" 200 60,3 52,0 42,9 77,8 120 62,8 M12 x 50 56,74 x 3,53 B 2" -3/ 60,3 x 2,9 St 2,822
2 ½" 160 76,1
1)
65,0 50,8 88,9 140 74,9
1)
M12 x 60
M12
69,44 x 3,53 B 2 ½"-3/ 76,1 x 2,9 St 3,900
outside-
inside-6187