EURO 20 Type 21 motorizable and motorized - Sewage Version
The EURO 20 type 21:
- is composed of flanges with standard face to face dimensions
- type NG : DN65-300
Technical design
Technical design
Motorizable version
Motorized version
| 200 | Motorizable - Adaptor F14 / Ø305 / 4 holes 15 on Ø140 | 695 | 480 | 45 | 10 | 85 | 175915 |
| 250 | Motorizable - Adaptor F14 / Ø305 / 4 holes 15 on Ø140 | 815 | 570 | 45 | 10 | 129 | 175939 |
| 300 | Motorizable - Adaptor F14 / Ø305 / 4 holes 15 on Ø140 | 940 | 655 | 57 | 10 | 173 | 175940 |
Features
Material and coating
| Item | Designation | Material | Coating |
|---|---|---|---|
| 1 | Yoke - Flange | Ductile iron | Epoxy 250 microns |
| 2 | Adaptor | Carbon steel | Epoxy 250 microns |
| 3 | 4 bolts CHC M10/30, 4 washers M10 / 2 | Steel | Zinc plated |
| 4 | CC operating stem | Stainless steel | |
| 5 | Key | Steel | |
| 6 | 4 bolts H 10/45, 8 washers M10 / 2 | Steel | Zinc plated |
Detail of key dimensions of the operating stem (CC)
| DN | Square S | d | B | C | E | Key |
|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm |
| 65 | 17.3 | 20 f 8 | 28 | 4 | 16.5 | 6 x 6 x 28 |
| 80 | 17.3 | 20 f 8 | 28 | 4 | 16.5 | 6 x 6 x 28 |
| 100 | 19.3 | 22 f 8 | 36 | 4 | 18.5 | 6 x 6 x 36 |
| 125 | 19.3 | 22 f 8 | 36 | 4 | 18.5 | 6 x 6 x 36 |
| 150 | 19.3 | 22 f 8 | 36 | 4 | 18.5 | 6 x 6 x 36 |
| 200 | 24.3 | 28 f 8 | 45 | 5 | 20.0 | 8 x 7 x 45 |
| 250 | 27.3 | 32 f 8 | 50 | 5 | 27.0 | 10 x 8 x 50 |
| 300 | 27.3 | 32 f 8 | 50 | 5 | 27.0 | 10 x 8 x 50 |
Choice of the servomotor: values in Nm
| DN | Nominal torque | Setting the torque switch valve closing | |
|---|---|---|---|
| mm | Nm | Initial torque in factory | Maxi torque |
| 65 | 40 | 50 | 60 |
| 80 | 40 | 50 | 60 |
| 100 | 60 | 80 | 100 |
| 125 | 60 | 80 | 100 |
| 150 | 70 | 95 | 120 |
| 200 | 170 | 200 | 250 |
| 250 | 200 | 250 | 300 |
| 300 | 250 | 300 | 400 |
The nominal torque of the motor must be equal or greater than the maximum setting of the torque switch.
Closing the valve: motor stops through torque switch. Limit switch on security.
Opening the valve: motor stops through limit switch. Torque switch on security.
Assembly of the motor
- Put the 4 bolts H
- Assemble the adaptor on the motor with the 4 CHC bolts
- Assemble the motor/adaptor on top of the operating stem of the valve
- Tighten the bolts.
Documents
Documents