Depa DH50-FA - 10.4 Maintenance for Cat 1 & 2 Equipment; 11.0 Tightening Torques; Series L, Size 25-80 Torque Values

45
DEPA
®
Air Operated Diaphragm Pumps
10.4 Maintenance instructions for
category 1 and 2 equipment
Check all lines and ttings reg-
ularly for leaks and externally
visible damage! Repair any
damage immediately!
Danger! Before working with the
pump, the pump must be moved
from the ATEX area to a work
area.
Pumps intended for use in po-
tentially explosive environments
must always be kept free of dust
deposits.
11.0 Tightening torques
Tightening torques series L, size 25-80
Pos. 7
Pos. 4
Pos. 5
Pos. 7
Pos. 2
Pos. 4
Pos. 3
Pump size Air inlet Air valve Piston Air chamber Clamp band
Pos. 2 Pos. 3 Pos.4 Pos. 5 Pos. 7
 DL25-L 50Nm 8Nm - 20Nm max.23Nm
 DL40-L 50Nm 8Nm 90Nm 20Nm max.23Nm
 DL50-L 85Nm 8Nm 150Nm 39Nm max.23Nm
 DL80-L 85Nm 8Nm 150Nm 39Nm max.23Nm