Emerson VANESSA 30,000 Series Installation, Operation And Maintenance Manual page 11

VANESSA SERIES 30,000 TRIPLE OFFSET VALVE (TOV)
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TABLE 1 - TORQUE VALUES FOR PACKING FLANGE NUTS
Bolt dimensions
mm
M10
M12
M14
M16
M18
M20
M24
M27
M30
M33
M42
TABLE 2 - General torque values for retainer
flange and bottom flange bolting
Bolt Torque values
dimensions Torque
(mm) (Nm)
M6 10
M8 20
M10 45
M12 70
M14 110
M16 175
M18 235
M20 335
M22 370
M24 460
M27 595
M30 760
M33 785
M36 1010
M39 1315
M42 1625
M45 2035
TABLE 3 - Lubrication
Type
Light mineral oil
Molykote - P74 (grease) or equivalent
®
Molykote spray - 321 R (dry lubricant) or
®
equivalent
SECTION 6 - DECOMMISSIONING
Instruction for decommissioning
Comply with the national regulations for disposal and recycling.
The comprehensive list of materials is available in the relevant technical literature.
Nominal pressure
ASME CLASS 150 - 300
EN PN 10 - 16 - 25 - 40
Torque
Nm ft·lb
10 7
15 11
20 15
25 18
30 22
80 59
180 133
210 155
290 214
310 229
- -
Torque
(ft·lb)
7
15
33
52
81
129
173
247
273
339
439
561
579
745
970
1199
1501
Component to lubricate
1. Packing rings (5a)
2. Disc surface areas (2a) for seal ring and spiral wound
gasket location
3. Spiral wound gasket (6c)
1. Stud bolts/nuts (5d)
2. Screw (6b)
1. Seal ring (3a)
2. Body seat
ASME CLASS 600 - 900 - 1500
EN PN 63 - 100 - 110 - 150 - 260
Torque
Nm ft·lb
20 15
25 18
45 33
60 44
65 48
200 148
340 251
375 277
495 366
700 517
1250 923
NOTE
Tighten the packing flange nuts slowly and evenly
until the leakage stops. The torque values are max
suggested value.
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