![Discharge Control for Water Injected Screw Compressors Discharge Control for Water Injected Screw Compressors](https://www-prod.hoerbiger.com/_Resources/Persistent/d/f/4/7/df47d8700b3dc5c83e6f9ef1d37075c3eba0c570/Discharge_Control_for_Water_Injected_Screw_Compressors_1400x700.jpg)
Discharge control
for water injected screw compressors
Discharge control components ensure that the minimum water flow required for cooling and lubricating the compressor is maintained during start-up and off-load and when the user lines are fully open. Optional combination with filtrations possible.
Ensure the water flow by keeping a minimum pressure level in the compressor. The integrated check valve prevents back flow from air-net during stop and idling.
MPVL:
Functional tube connector/ Component of the pressure line after water separation
MPVL ETS:
Allows integration into customer components (e.g. separator tank, air cooler)
All components corrosion free/protected.
- Volume air flow:
- MPVL: 0.6 to 200 Nm3/min I 22 to 7100 scfm
MPVL ETS: Depends on customer Housing - Maximum working pressure:
- Standard 16 barg I 232 psig
High pressure 40 barg I 580 psig on demand - Ambient temperature:
- 5 to 80 °C I 41 to 176 °F
- Inlet/outlet connections:
- Threaded or flanged
![](https://www-prod.hoerbiger.com/_Resources/Persistent/7/7/3/e/773ef75c10aab75500b3c0167a763d75a4e6b116/Minimum-Pressure-Check-Valve_Technical-Data-Sheet_A4_RGB_EN_2024.png)
Type: MPVL15-80, MPVL3" and MPVL4"
Combination of minimum pressure valve and air/water separator.
All components corrosion free/protected.
- Volume air flow:
- 5 to 26 Nm3/min I 205 to 920 scfm
- Maximum working pressure:
- 16 barg I 232 psig
- Ambient temperature:
- 5 to 80 °C I 41 to 176 °F
![MPVL — Minimum pressure valve MPVL — Minimum pressure valve](https://www-prod.hoerbiger.com/_Resources/Persistent/7/5/4/c/754c30dcce93074a6771770f422b23ba1705a6f6/LPR_8715_5-4-456x456.jpg)
![MPVL — Minimum pressure valve MPVL — Minimum pressure valve](https://www-prod.hoerbiger.com/_Resources/Persistent/c/9/3/f/c93f2ab01214be372e0ca68a09c2a873ab3bb076/LPR_8832_5-4-456x456.jpg)
![MD — Combination block MD — Combination block](https://www-prod.hoerbiger.com/_Resources/Persistent/9/f/5/e/9f5ee85418f6f4a9badc0a271508be77f8e194bd/MD_50_5-4-456x456.jpg)
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