10 Instructions for Use
Instructions
Description
1 The dryers can contain pressurized air. This can be potentially dangerous if the equipment is
misused.
2 The dryer vessels must only be used as a compressed air vessel and must be operated within
the limits specified on the data plate.
3 No alterations must be made to the vessels by welding, drilling or other mechanical methods
without the written permission of the manufacturer.
4 The design pressure and temperature of this pressure bearing part must be clearly indicated
on the data plate.
5 If installed, the safety valve must correspond with pressure surges of 1.1 times the maximum
allowable operating pressure. This should guarantee that the pressure will not permanently
exceed the maximum allowable operating pressure of the vessel.
6 Original bolts have to be used after opening for inspection. The maximum torque has to be
taken into consideration (see table below).
Maximum bolt torque
Thread size Tightening torque
(Nm)
Allowed deviation
(Nm)
M3 1 0.3
M4 2.4 0.6
M5 5 1.2
M6 8 2.1
M8 20 5
M10 41 10
M12 73 18
M14 115 29
M16 185 46
M18 238 60
M20 335 84
Instruction book
60 2920 1891 00
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