Diaphragm
ø
Torque (+/- 10%)
52
125 Ncm
64
2 Nm
90
6 Nm
120
6 Nm
150
10 Nm
Table 11.1: Required tightening torque for dosing head screws
11.5 Valves
The dosing pump valves must be cleaned regularly.
NOTICE!
When screwing the valves back into the dosing head, note the tightening torque of 2 Nm ±20 %.
CAUTION!
Chemical may spray out. This may lead to chemical or other burns. The dosing pump must always be depressurized and rinsed with water or a suitable medium
before starting any work on the dosing pump.
NOTICE!
Dirty valves will affect the dosing accuracy.
DN4 valves
DN4 valves are pre-assembled, and can be unscrewed from the dosing head as a single unit. To disassemble the valves, use a screwdriver with a .39 in. bit.
a
b
a
Valve body
b
Screw-in valve plug
34
Diaphragm Dosing Pump
Encore
®
MB/ME
Operating Instructions
CF.450.410.001.IM.1114
Summary of Contents for Encore MB
Page 3: ...3 Diaphragm Dosing Pump Encore MB ME Operating Instructions CF 450 410 001 IM 1114 ...
Page 48: ...48 Diaphragm Dosing Pump Encore MB ME Operating Instructions CF 450 410 001 IM 1114 ...
Page 50: ...19 Notes 50 Diaphragm Dosing Pump Encore MB ME Operating Instructions CF 450 410 001 IM 1114 ...
Page 51: ...51 Diaphragm Dosing Pump Encore MB ME Operating Instructions CF 450 410 001 IM 1114 ...
Page 52: ...Encore MB ME Diaphragm Dosing Pump MANUAL NO CF 450 410 001 IM 1114 CF 450 420 001 IM 1114 ...