Allowable pressure ratings table for fittings used within a PN35 pipeline with flange joints.
|
DN
|
PN
|
O.D.of Flange (mm)
“D”
|
Flange Thisckness (mm)
“T”
|
Pitch Circle Dia. (mm)
“P”
|
No. of Bolts
|
Bolt Size (mm)
|
Bolt hole Dia. (mm)
|
Suggested Bolt length
|
Dia. Of raised face (mm)
“F”
|
Raise Face height (mm)
“t"
|
|
80
|
16
|
185
|
18
|
145
|
4
|
M16
|
18
|
65
|
122
|
3
|
|
|
35
|
205
|
22
|
165
|
8
|
M16
|
18
|
75
|
141
|
3
|
|
|
T/E
|
185
|
|
145
|
4
|
M16
|
18
|
65
|
122
|
3
|
|
100
|
16
|
215
|
20
|
178
|
4
|
M16
|
18
|
75
|
154
|
3
|
|
|
35
|
230
|
22
|
191
|
8
|
M16
|
18
|
90
|
167
|
3
|
|
|
T/E
|
215
|
|
178
|
8
|
M16
|
18
|
75
|
154
|
3
|
|
150
|
16
|
280
|
23
|
235
|
8
|
M16
|
18
|
75
|
211
|
3
|
|
|
35
|
305
|
27
|
260
|
12
|
M20
|
22
|
90
|
232
|
3
|
|
|
T/E
|
280
|
|
235
|
8
|
M20
|
22
|
75
|
211
|
3
|
|
200
|
16
|
335
|
23
|
292
|
8
|
M16
|
18
|
90
|
268
|
3
|
|
|
35
|
370
|
31
|
324
|
12
|
M20
|
22
|
100
|
295
|
3
|
|
|
T/E
|
335
|
|
292
|
8
|
M20
|
22
|
90
|
268
|
3
|
|
225
|
16
|
370
|
24
|
324
|
8
|
M16
|
18
|
90
|
300
|
3
|
|
|
35
|
405
|
35
|
356
|
12
|
M24
|
26
|
120
|
324
|
3
|
|
|
T/E
|
370
|
|
324
|
12
|
M20
|
22
|
90
|
300
|
3
|
|
250
|
16
|
405
|
24
|
356
|
8
|
M20
|
22
|
90
|
328
|
3
|
|
|
35
|
430
|
34
|
381
|
12
|
M24
|
26
|
120
|
349
|
3
|
|
|
T/E
|
405
|
|
356
|
12
|
M20
|
22
|
90
|
328
|
3
|
|
300
|
16
|
455
|
30
|
406
|
12
|
M20
|
22
|
100
|
378
|
4
|
|
|
35
|
490
|
35
|
438
|
16
|
M24
|
26
|
120
|
405
|
4
|
|
|
T/E
|
455
|
|
406
|
12
|
M24
|
26
|
100
|
378
|
4
|
|
375
|
16
|
550
|
33
|
495
|
12
|
M24
|
26
|
100
|
463
|
4
|
|
|
35
|
580
|
42
|
521
|
16
|
M27
|
30
|
130
|
485
|
4
|
|
|
T/E
|
550
|
|
495
|
12
|
M24
|
26
|
100
|
463
|
4
|
|
450
|
16
|
640
|
33
|
584
|
12
|
M24
|
26
|
120
|
552
|
4
|
|
|
35
|
675
|
46
|
610
|
20
|
M30
|
33
|
150
|
571
|
4
|
|
|
T/E
|
640
|
|
584
|
16
|
M24
|
26
|
120
|
552
|
4
|
|
500
|
16
|
705
|
35
|
641
|
16
|
M24
|
26
|
120
|
609
|
4
|
|
|
35
|
735
|
49
|
673
|
24
|
M30
|
33
|
150
|
634
|
4
|
|
|
T/E
|
705
|
|
641
|
16
|
M24
|
26
|
120
|
609
|
4
|
|
600
|
16
|
825
|
42
|
756
|
16
|
M27
|
30
|
130
|
720
|
5
|
|
|
35
|
850
|
54
|
781
|
24
|
M33
|
36
|
180
|
739
|
5
|
|
|
T/E
|
825
|
|
756
|
16
|
M30
|
33
|
130
|
720
|
5
|
|
750
|
16
|
995
|
47
|
927
|
20
|
M30
|
33
|
130
|
888
|
5
|
|
|
35
|
1015
|
59
|
940
|
28
|
M33
|
36
|
180
|
893
|
5
|
|
|
T/E
|
995
|
|
927
|
20
|
M33
|
36
|
130
|
888
|
5
|
Bolting requirements (Guide only)
PN16 / Table E – Gal. Carbon Steel grade 4.5 minimum, 316s/s grade 50 minimum PN35 – Gal. Carbon Steel Grade 8.8 minimum, 316S/S Grade 70 minimum.
Ductile Iron Pipe
