Samson 3351, Монтаж и эксплуатация

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EB 8039 EN 15
Maintenance
Table 2: Special tools
Valve size
DN 15 to 25
NPS ½ to 1
DN 32 to 50
NPS 1½ to 2
DN 65 and 80
NPS 2½ and 3
DN 100
NPS 4
Tool Order no.
Mounting device 1281-0036 1281-0037 1281-0038 –
Seat wrench 1280-0006 1280-0013 1280-0008 1280-0009
Plug wrench 1281-0049 1281-0049 – –
Table 3: Tightening torques
Part Tightening torques
Nuts (1.1) M10/20 Nm M12/35 Nm M16/90 Nm M20/170 Nm
Packing (5.2)
M20 x 1.5/
20 Nm
M20 x 1.5/
80 Nm
M26 x 1.5/
110 Nm
M26 x 1.5/
110 N
Nuts (5.9) M6/13 Nm M8/18 Nm M8/18 Nm M8/18 Nm
Plug stem (3.1) 150 Nm 400 Nm 850 Nm 1050 Nm