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Over- Under Pressure Valve
We are able to deliver the right solution for PRv’s in every situation. For most environments, our two standard types of PRV’s will meet your needs. For other situations, we have many alternatives we can explore to meet your requirements.
The biogas that is being produced inside your tank has a certain pressure, measured in mBar. In most situations, the pressure will be between -1,0 and +5,0 mBar. Our pressure valves verify that the gas pressure inside your tank does not exceed the maximum limit. Our PRv’s also have a very narrow flange connection (150 or 200 mm), which gives you the benefit of mounting the PRv’s higher on your tank, so you can fill the tank to a higher level.
Technical specifications and differences Over-/underpressure Valves:
| PRV 450 | PRV 950 | |
|---|---|---|
| mBar | Min -1 / Max +5 | Min -2 / Max +10 |
| Max. gas flow | 450m³/h | 950m³/h |
| Flange Connection | DN150 | DN200 |
| Should be filled with | Water / glycol | Water / Glycol |
| Chimney | 1 meter | 1 meter |
| On request even higher |
Over- Under Pressure Valve components
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Glycol filling
A Glycol filling for the 5 & 10 mbar over- underpressure fuse to prevent freezing in the winter.
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OUPV 5 mbar
A 5 mbar over- underpressure fuse including the mounting set.
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OUPV 10 mbar
A 10 mbar over- underpressure fuse including the mounting set.
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Wall bushing | 5
A wall outlet for the 5 mbar over- underpressure fuse.
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Wall bushing | 10
A wall outlet for the 10 mbar over- underpressure fuse.
