CHX-700 electric valve positioner is change the dc signal of 4-20mA from the regulator or computer into an aerodgnamic and through the cam feedback system realizing closed-loop control,then make regulating valves realize precise and input signal proportional to the angular or linear displacement.
specifications:
Code | function description | Expression of function |
1 | Brand | CHX |
|
2 | Design number | 7 |
|
3 | Protection | Exdl | 1 |
|
| Basic Type | 2 |
ExiaII | 3 |
4 | mode of action | Single and reverse acting | 1 |
|
| Single and direct acting | 2 |
Double and reverse acting | 3 |
Double and direct acting | 4 |
5 | Travel mode | rotary | A |
|
| linearity | B |
6 | connection type | rotary | U |
|
| rotary | H |
Linearity basic type | X |
Linearity LM | S |
7 | Feedback Mode | signal feedkack | F
|