Bray 19L Series, Инструкция по установке, эксплуатации и обслуживанию

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FLOW-TEK SERIES 19L SEGMENTED BALL VALVE
Installation, Operation, and Maintenance Manual
30 of 31
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contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would
violate its proprietary nature without the express written permission of Bray International, Inc.
Table 1: Gland Nut Torque
S19L ASME 150 to 600 | PN 10 to 40 (lbf-in)
Valve Size Nut size Estimated Torque Maximum Torque
NPS lbf-in lbf-in
1 M08 54 142
11/2
M08 54 142
2 M08 54 142
3 M08 80 142
4 M08 80 142
6 M10 62 275
8
M10 71 275
10 M10 89 275
12 M12 116 487
16 M12 239 487
Table 1: Gland Nut Torque
S19L ASME 150 to 600 | PN 10 to 40 (N m)
Valve Size Nut size Estimated Torque Maximum Torque
DN N m N m
25 M08 6 16
40
M08 6 16
50 M08 6 16
80 M08 9 16
100 M08 9 16
150 M10 7 31
200
M10 8 31
250 M10 10 31
300 M12 13 55
400 M12 27 55
Table 2: Post Cover Torque
S19L ASME 150 to 600 | PN 10 to 40 (lbf-in)
Valve Size Nut size Estimated Torque Maximum Torque
NPS lbf-in lbf-in
1 M08 54 142
11/2 M08 54 142
2 M08 62 142
3 M08 89 142
4
M08 89 142
6 M10 169 275
8 M10 169 275
10 M10 239 275
12 M12 372 487
16
M16 753 1213
Table 2: Post Cover Torque
S19L ASME 150 to 600 | PN 10 to 40 (N m)
Valve Size Nut size Estimated Torque Maximum Torque
DN N m N m
25 M08 6 16
40 M08 6 16
50 M08 7 16
80 M08 10 16
100
M08 10 16
150 M10 19 31
200 M10 19 31
250 M10 27 31
300 M12 42 55
400
M16 85 137
18.0 APPENDIX A – TABLES
Table 4: Liner Retainer Load (lbf-in)
Valve Size Load
NPS lbf-in
1 79
11/2 43
2 63
3 100
4
139
6 356
8 411
10 517
12 945
16
1605
Table 4: Liner Retainer Load (N m)
Valve Size Load
DN N m
25 348
40 189
50 280
80 444
100
617
150 1583
200 1824
250 2296
300 4200
400
7139
Table 3: Seat Seal Guide Selection
Valve Size Seat Seal Guide
Part Number
NPS DN
1 25 190100-21823578
11/2 40 190100-21823578
2 50 190200-21823578
3 80 190400-21823578
4 100
190400-21823578
6 150 190600-21823578
8 200 190800-21823578
10 250 191000-21823578
12 300 191200-21823578
16 400
191600-21823578