Baker Hughes Masoneilan 525, Инструкция по эксплуатации

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Reserved.
Table 1: Assembly Torque Requirements
Valve Size
ANSI
Class
Bolting Requirements
Torque Requirements
Minimum Maximum Pre-Load
Inch mm
Qty
. Size (inch)
Lbs.F
t
N.m Lbs.F
t
N.m Lbs.F
t
N.m
¾ 20
150 & 300 6 ½"-13NC-2A
25 34
55 75 5 7
600 6 ½"-13NC-2A
25 34
55 75 5 7
1 25
150 & 300 6 ½"-13NC-2A
25 34
55 75 5 7
600 6 ½"-13NC-2A
25 34
55 75 5 7
1½ 40
150 & 300 6 ½"-13NC-2A
25 34
55 75 5 7
600 6 ½"-13NC-2A
25 34
55 75 5 7
2 50
150 & 300 8 ½"-13NC-2A
25 34
55 75 5 7
600 8 ½"-13NC-2A
25 34
55 75 5 7
3 80
150 & 300 8
5
/
8
“-11NC-2A
45 61
89 120 10 14
600 8
5
/
8
“-11NC-2A
45 61
89 120 10 14
4 100
150 & 300 8 ¾”-10NC-2A
80 108
170 230 20 27
600 8 ¾”-10NC-2A
80 108
170 230 20 27
Notes: 1. Do not exceed Maximum Torque values listed.
2. Tighten in increments until required torque levels are reached.
3. Reject assembly if metal-to-metal contact is not achieved after reaching Maximum Torque.
4. Torque requirements shown are for standard B7 studs and 2H nuts.
Figure 4: Bolt Pinning Dimensions
Figure 5: Bolt Tightening Sequence