The HEP (EPP) electrical valve positioner can convert the electrical signal output by the regulating device into a pneumatic signal to drive the regulating valve action, and has a valve positioning function, which overcomes the friction force of the valve stem, cancels out the balance force caused by the pressure change of the regulated medium, so that the valve opening corresponds to the control signal output by the regulating device, achieving correct positioning.
| Model | HEP (EPP) |
| Input Signal | Standard: 4-20mA DC Split range: 4~12mA DC, 12-20mA DC |
| Input Impedance | 250Ω (4-20mA DC) |
| Air supply pressure | 0.14~0.35MPa |
| Rated travel | Straight stroke: 12-100mm |
| Wire connector | NPT1/2, G1/2, M20×1.5 |
| Air connection | NPT1/4 |
| Ambient Temp. | -20℃~60℃ |
| Relative temperature | ≤90% |
| return difference | Less than 1% of the entire journey |
| Dead zone | Less than 0.4% of the entire journey |
| Performance | Linear (can be changed to fast open, equal percentage characteristics) |
| Gas consumption | 5L/min (when the gas source pressure is 0.14MPa) |
| Traffic volume | 140L/min (when the gas source pressure is 0.14MPa) |
| Weight | 3.5kg |
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