Riello MB 405/1 Manuel D'entretien page 41

3 Technical description
3.1 Gas train designation
Range: MB
Overall size:
Operation:
MB 415 /1 -
BASIC DESIGNATION
EXTENDED DESIGNATION
3.2 Models available
Code Model
20065553 MB 405/1 - RSM 20
3970229 MB 407/1 - RSM 20
3970230 MB 410/1 - RSM 20
3970144 MB 412/1 - RT 20
3970197 MB 412/1 CT RT 20
3970231 MB 412/1 - RSM 20
3970256 MB 412/1 - RT 52
3970180 MB 415/1 - RT 30
3970198 MB 415/1 CT RT 30
3970232 MB 415/1 - RSM 30
3970250 MB 415/1 - RT 52
3970253 MB 415/1 CT RT 52
3970181 MB 420/1 - RT 30
Technical description
407
405
/1 opening with 1 step
/2 opening with 2 steps
/P opening with 1 step and proportional air/gas regulator
Valve leak detection -
control device:
CT
Joint type: R
F
F1
F2
F3
Electric connection:
Pressure field
Standard output:
R T 3 0
410 412 420
415
0
train valve leak detection control device
threaded
ISO standard flange
BS1 square flange
BS2 square flange
BS3 - BS4 square flange
T Terminals - Terminal board
SD Domestic plug
SM Medium output plug
- without pressure adjuster
0 with regulator and proportional air/gas pressure
2 with regulator and output pressure of up to 20 mbar
3 with regulator and output pressure of up to 30 mbar
5 with regulator and output pressure of up to 50 mbar
Valve command:
0 common
2 separate
Code
3970182
3970233
3970234
3970252
3970257
3 GB
Model
MB 420/1 CT RT 30
MB 420/1 - RSM 30
MB 420/1 CT RSM 30
MB 420/1 CT RT 52
MB 420/1 - RT 52
Tab. A
20049141