FlowAct Diaphragm Linear Actuator FCD VLENIMFACTA4 10/16
74
16 Torque Requirements
Torque Requirements for VALVE / ACTUATOR LOCK NUT (76, 256) per actuator size
Unit 253 503 701 1502 3002
Nm
Tighten the lock nut clockwise with a rounded chisel and a 1,5 kg (3.5 lbs) hammer before occurs the kickback
effect.
ft lb
Torque Requirements for COUPLING PARTs (345, 113, 249, 344, 240, 420, 214) per actuator size
Unit 253 503 701 1502 3002
Nm
Tighten the subordinate bolting properly by hand in accordance with the relevant technical standards.
ft lb
Torque Requirements for HEXAGON BOLT (334) per actuator size
Unit 253 503 701 1502 3002
Nm
n.n.
45
ft lb 33
Torque Requirements for SPECIAL NUT / STEM EXTENSION & STEM (348, 380) per actuator size
Unit 253 503 701 1502 3002
Nm 45 110 240
ft lb 33 81 177
Torque Requirements for CASING BOLTING (335 & 351 and 336 & 351, 209) per actuator size
Unit 253 503 701 1502 3002
Nm 20
ft lb 15
Torque Requirements for HEXAGON BOLTS (150) per actuator size
Unit 253 503 701 1502 3002
Nm 15 25
n.n.
ft lb 11 18
17 Lubricants
Use
Lubricant / Antiseize
WW (World Wide) EU (European Union)
Standard,
from -40°C to +80°C
-40°F to +176°F
Actuator O-Ring‘s (237, 247)
DOW Molykote 55 O-Ring
Klüber Unisilikon
L 250 L
Threads of the Actuator (107, 211, 250, 330, 334, 335, 336, 365) and Guide (247, 358)
Fastorq A/G Klüberpaste 46 MR 401
Low temperature,
from -60°C to -41°C
-76°F to -40°F
Actuator O-Ring‘s (237, 247)
and Guide (247, 358)
Alcohol 96%
Threads of the Actuator (107, 211, 250, 330, 334, 335, 336, 365)
Fastorq A/G Klüberpaste 46 MR 401
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