ONICON F-3100 Series User Manual
Page 25
11451 Belcher Road South, Largo, FL 33773 • USA • Tel +1 (727) 447-6140 • Fax (727) 442-5699 • [email protected]
F-3100 Flow Meter Manual 06/14 - 0670-7
Page
25
3.2.7 Torque Specifications
Tighten uniformly in a diagonal sequence as per the table below. Contact ONICON for
torque specifications for meters with a nominal diameter larger than 40 inches.
Maximum Flange Bolt Torque Specifications in lb-ft (N-m)
Nom. Dia.
(DN)
Class 150
Class 300
PN16
PN25
Polypro Ebonite
PTFE
Ebonite
PTFE
Polypro
Ebonite
PTFE
Ebonite
PTFE
1” (25)
14
15
24
14 (19)
18 (25)
18 (25)
1¼” (32)
21
19
30
21 (28)
32 (43)
32 (43)
1½” (40)
27
24
46
27 (36)
39 (53)
39 (53)
2” (50)
38
44
26
38 (52)
50 (68)
50 (68)
2½” (65)
55
58
39
55 (75)
66 (90)
33 (45)
3” (80)
30
66
50
30 (41)
39 (53)
39 (53)
4” (100)
41
52
69
41 (56)
44 (59)
61 (83)
5” (125)
52
69
96
52 (71)
57 (77)
83 (112)
6” (150)
78
78
83
78 (106)
80 (108)
100 (135)
8” (200)
319
109
383
131
212 (288)
73 (99)
288 (391)
99 (134)
10” (250)
336
115
398
136
301 (408)
103 (140)
439 (595)
150 (204)
12” (300)
504
173
592
203
376 (510)
129 (175)
434 (588)
148 (201)
14” (350)
698
240
684
235
441 (598)
151 (205)
697 (945)
239 (324)
16” (400)
672
230
884
303
606 (821)
208 (282)
917 (1243)
314 (426)
18” (450)
683
248
856
294
724 (981)
207 (281)
20” (500)
682
234
1000
343
821 (1113)
282 (382)
24” (600)
996
342
1665
571
1223 (1658) 419 (568)
30” (750)
970
333
2377
815
36” (900)
1330
456
3028
1038
1117 (1515) 383 (519)
40” (1000)
1583
543
3439
1179
1553 (2105) 532 (721)
Maximum Flange Bolt Torque Specifications in lb-ft
Nom. Dia. (DN)
PN10
PN40
PN64
Ebonite
PTFE
Ebonite
PTFE
Ebonite
1” (25)
18 (25)
29 (39)
1¼” (32)
32 (43)
39 (53)
1½” (40)
39 (53)
53 (72)
2” (50)
50 (68)
60 (81)
2½” (65)
33 (45)
43 (58)
3” (80)
39 (53)
46 (62)
4” (100)
61 (83)
64 (87)
5” (125)
83 (112)
109 (148)
6” (150)
100 (135)
160 (217)
8” (200)
319 (432)
109 (148)
384 (391)
131 (178)
10” (250)
265 (359)
91 (123)
575 (595)
197 (267)
12” (300)
306 (415)
105 (142)
599 (588)
205 (278)
14” (350)
370 (502)
127 (172)
908 (945)
311 (422)
16” (400)
466 (632)
160 (217)
1331 (1243)
457 (619)
18” (450)
416 (564)
143 (194)
20” (500)
481 (652)
165 (224)
24” (600)
695 (942)
238 (323)
30” (750)
36” (900)
968 (1312)
332 (450)
40” (1000)
1253 (1699)
429 (582)