Emerson Fisher V270, Instruction Manual

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Instruction Manual
D104297X012
V270 Valve
September 2018
13
Table 3. Torque Values
VALVE SIZE, NPS CLASS
VALVE BODY HEAVY HEX NUT TORQUE
(1)
PACKING BOX HOUSING SOCKET
HEAD CAP SCREW TORQUE
(1)
N•m ft•lbf N•m ft•lbf
6
150 255 188 81 60
300 255 188 81 60
600 525 387 81 60
8
150 376 277 81 60
300 525 387 81 60
600 711 524 81 60
10
150 376 277 81 60
300 376 277 81 60
600 941 694 81 60
12
150 376 277 81 60
300 711 524 81 60
600 1267 934 81 60
14
150 525 387 81 60
300 525 387 81 60
600 1660 1224 81 60
16
150 525 387 81 60
300 711 524 81 60
600 2126 1568 81 60
20
150 711 524 81 60
300 1267 934 81 60
600 3305 2437 153 113
24
150 941 694 153 113
300 2777 2048 153 113
600 5782 4264 247 182
1. Fasteners must be lubricated to achieve proper preload
Actuator Mounting
Use the appropriate actuator instruction manual for mounting the actuator or changing the actuator position. Attach
the actuator mounting bracket to the valve packing box and tighten the mounting bracket fasteners as detailed in
table 4.
Table 4. Required Actuator Mounting Bracket-to-Valve Bolt Torque
VALVE SIZE, NPS
FASTENER
SIZE INCH
GRADE 5/NCF3
(1)
N•m ft•lbf
6
¾-10 339 250
8
10
⅞
-9 508 375
12
14
1-1/4-8 1491 1100
16
20
24
1. Fasteners must be lubricated to achieve proper preload