Technical Data - Riello MB 405/1 Installation, Use And Maintenance Instructions / Spare Parts List

3.3

Technical data

Model
Max. power supply pressure
Protection level
Ambient temperature
Electromagnetic valve
Voltage/frequency
Output/absorption:
- output pressure up to 30 mbar
- output pressure up to 50 mbar
Anti-dust device
(MB 410-412-415-420)
(*) Protection grade "IP54" can be achieved by removing the 6
pole plug.
3.4 Components
The gas train consists of:
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Gas pressure switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Pressure stabiliser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Quick opening safety valve . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Slow opening adjustment valve . . . . . . . . . . . . . . . . . . . . . No. 1
3.5 Description
2
8
3
1
1 Flange
2 Pressure test point
3 Flange fastening screws
4 Stabiliser adjustment
5 Brake adjustment
6 Ring nut output adjustment
7 Ring nut locking screws (not sealed)
8 Minimum gas pressure switch
9 Leak detection control device (CT versions)
10 Coil
20049141
Technical description
MB 405 - 407
IP 54 "RT .." version - IP 4X "SM .." version (*)
28 VA ~(AC) 230 V, 20 °C
46 VA ~(AC) 230 V, 20 °C
Filter
4
5
7
8
6
1
10
3
MB 410 - 412 - 415
360 mbar (36 kPa)
-15 °C up to + 70 °C
DIN EN 161, class A, group 2
~ (AC) 50-60 Hz, 230 V - 15 % + 10 %
50 VA ~(AC) 230 V, 20 °C
96 VA ~(AC) 230 V, 20 °C
Filter with 0.8 mm mesh; it is possible to change the filter with-
out needing to dismantle the train
2
20132991
4 GB
MB 420
80 VA ~(AC) 230 V, 20 °C
100 VA ~(AC) 230 V, 20 °C
4
5
6
7
9
10
1
3
Tab. B
Fig. 1