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Operating instructions
24
Phone +49 4531 509-0
Assembly sequence for the bolts
Nominal
diameter
Gun-
metal-
bonnet/
Gun-
metal-
body
[Nm]
Gun-
metal-
bonnet/
VA-body
[Nm]
VA-
bonnet/
VA-
body
[Nm]
Cap bolt
DN 10
19
19
25
30
M8
DN 15
19
19
25
30
M8
DN 20
37
44
50
M10
DN 25
37
44
50
M10
DN 32
41
45
50
M10
DN 40
51
60
70
M12
DN 50
49
50
50
M10
Bonnet / body tightening torques
Check the leak-tightness
6
Operation
6.1
Prior to start-up
Check the following points prior to start-up:
All mounting and installation work are completed.
If fitted: The blocking bushing was removed prior to start-up.
The safety guards are in place.
Compare the material, pressure, temperature and installation position with the layout plan for
the pipework system.
Dirt and residues have been removed from the pipeline and valve in order to prevent leaks.
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Страница 20: ...Betriebsanleitung 14 Telefon 49 4531 509 0 ...
Страница 34: ...Operating instructions 28 Phone 49 4531 509 0 ...
Страница 48: ...Instrucciones de servicio 42 Teléfono 49 4531 509 0 ...
Страница 62: ...Notice d utilisation 56 Téléphone 49 4531 509 0 ...
Страница 76: ...Руководство по эксплуатации 70 Телефон 49 4531 509 0 ...
Страница 85: ...操作指南 herose com 79 焊接 钎焊之后 插入新的密封圈 组装阀盖 切勿损坏密封圈 装上螺钉 以十字交叉方式将螺钉拧紧至规定的 紧固扭矩 旋转方向 顺时针 ...
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