They incorporate a PR-730/731 precision pneumatic positioner with cam.
The longitudinal cam, which retrofeeds the actuator position, allows the actuator to adapt to the valve needs on which is mounted.
|
PNEUMATIC CONTROL |
ELECTRIC CONTORL |
Available diameters: 50 to 320 mm |
YES |
YES |
Available strokes: 80 to 1500 mm |
YES |
YES |
|
Max. working pressure 10 bar |
YES |
YES |
Magnetic piston (optional) |
YES |
YES |
|
Cushioning at the ends |
YES |
YES |
| Bulit-up in amodized aluminium and steel |
YES |
YES |
Other materials unde request |
YES |
YES |
Standard electric protection degree |
- |
IP-65 |
Service temperature -10 ℃ to 70℃ |
YES |
YES |
| Explosion proof(Atex) versions available |
YES |
YES |
THE POSITIONER VALVE CAN BE:
|
PR-730 |
PR-731 |
PR-733 |
Function |
Reversible
0% control signal, piston rod inside or outside |
Reverse
0% control signal, piston rod inside or outside |
Direct
0% control signal, piston rod inside or outside |
Control signal |
neum.:0,2-1 bar, 3-15 psi
|
elect.: 4-20 mA, 0-10 V. |
4-20 mA ATEX Exxia II CT6 |
please check corresponding techmical sheets.
MOUNTINGS
