ProMinent 987629 Instrucciones De Servicio página 11

ProMinent ®
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- Intake aid to prevent pressure when starting up pumps. It is not
necessary to release the delivery line.
Turn the red rotary knob (2) for this purpose.
IMPORTANT
• A non-return valve must be installed at the metering point
since the entire content of the system can flow via the
bypass when the valve is operated.
- Depressurizing the metering line when the relevant system is at
a standstill (e.g. repairs). Turn the red rotary knob (2) for this
purpose.
- Overflow valve to protect the system from impermissible
overpressure caused by the metering pump. Return flow via a
bypass line. This function operates automatically.
Functional Description
2
Drawn turned
Um 90° gedreht gezeichnet Um 90° gedreht gezeichnet
through 90°
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