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Pneumatic valve positioner series products receive the air source pressure signal from the control system and adjust it precisely according to the signal pressure，It's a device that controls valve opening.
Features：
1： Adopt earthquake-resistant reinforced structure, and the action is very stable in the field of large vibration.
2： After more than 10,000 fatigue tests and seismic tests to ensure the stability of the product 100, .
3： The response speed is fast and the positioning is accurate.
4： Split-range control 1/2 can be achieved by simply replacing parts.
5： Small gas consumption and good energy saving.
6：The z direct-reverse conversion is very simple / .
6：The z direct-reverse conversion is very simple / .
7： Zero span adjustment is very simple.
8： Feedback connections are very simple.
Main Specification：
The above parameters are the values tested according to our company's test standard under the environment of ambient temperature of 20°C, absolute pressure of 760mmHg, and relative humidity of 65%.
Main Specification：
| Model series | MPP-12L Straight Positioner/ MPP-12R Angular |
| Input signal | 0.02~0.1MPa |
| Input pressure | 0.14~0.7MPa（20~105psi) |
| Output Pressure | 0~0.7MPa |
| Journey | Straight：10~150mm angular：0~90℃ |
| Impedance | 250Ω±15Ω |
| Air supply interface | NPT1/4 |
| Pressure gauge interface | NPT1/8 |
| Power interface | G1/2 |
| Operating temperature | Normal：.-20~70℃ |
| Linearity | Single: ±1.0%F.S. ; Double: ±2.0%F.S.. |
| Hysteresis | ±1%F.S. |
| Sensitivity | ±0.2%F.S / ±0.5%F.S. |
| Repeatability | ±0.3%F.S / ±0.5%F.S. |
| Air consumption | 2.5 LPM(sup=0.14MPa) |
| Flow | 80 L/min(@1.4MPa) |
| Output characteristics | Linear |
| Housing Material | Die-cast aluminum |
| Protection class | IP66 |
| Explosion-proof grade | ExiaIICT6/ExdmbllCT6 |
| Unit Weight: | 1.7kg |
The above parameters are the values tested according to our company's test standard under the environment of ambient temperature of 20°C, absolute pressure of 760mmHg, and relative humidity of 65%.