Flowserve Valtek FlowTop V746, Инструкция пользователя

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Valtek FlowTop General Service Valve FCD VLENIM8610A4 11/18
20
Parts - Packing
Type
Detail
PTFE - rings Graphite - rings
Detail
Standard Spring loaded Standard Spring loaded
Packing Assembly
The two Belleville springs must be stacked in series !
14 Torque Requirements
Presssure
Class
Torque Requirements for
BONNET NUTs (1.4)
per nominal diameter
1/2“ 3/4“ 1“ 1 1/2“ 2“ 3“ 4“ 6“
Class 150
1)
Nm 15
23 28 24 41 72
Class 300
1)
24 32 37 71 146
Class 150
1)
ft lb 11
17 21 18 30 53
Class 300
1)
18 24 27 52 108
1) V746 is designed for Class 150 while V748 is desigend for Class 300
Presssure
Class
Torque Requirements for
HEAD NUTs (110)
per nominal diameter
1/2“ 3/4“ 1“ 1 1/2“ 2“ 3“ 4“ 6“
Class 150
Nm
13 14 30 24
Class 300 10 12 25 46
Class 150
ft lb
9.6 10.3 22 17.7
Class 300 7.4 8.9 18.4 34
Presssure
Class
Torque Requirements for
PLUG and STEM (50, 6)
per nominal diameter
1/2“ 3/4“ 1“ 1 1/2“ 2“ 3“ 4“ 6“
Class 150 / 300 Nm 40 80 170
Class 150 / 300 ft lb 30 59 125
NOTICE
The yoke lock nut (76) should be tighten with a rounded chisel and a 1,5 kg (3.5 lbs) hammer before the
‘kickback’ effect occurs. The coupling part bolting should be tighten properly by hand in accordance with the
relevant technical standards.