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ONI Rhytemper® RHY-T90 S

High performance temperature control units

The ONI-RT90 S series high performance temperature control units have been specially developed for multiple circuit temperature control. These temperature control units are direct cooled and are suitable for temperatures up to 90 °C. High performance pumps, the stainless steel tank as well as the stainless steel piping ensure the long-term high performance and reliability of the temperature control units.

Standard and special temperature controll units with the circulating media water,

temperature range 10 - 90 °C.

  • High flow volume up to 6,2 m³/h
  • High pump pressure up to 6,3 bar
  • Large connection sizes up to 1 inch
  • Stainless steel piping
  • Leak stop function

Scope of supply

  • Connection-ready unit with microprocessor control
  • Integrated level and temperature monitoring
  • Interface for the RHYTEMPER® central unit


RHY-T90  S

Max. water feed line temperature


up to 90 °C (194 °F)

Power range

6 - 8 kW

max. cooling capacity direct

(at ΔT=70K)


80 kW

max. operating pressure

6,3 bar

flow volume

6,2 m³/h

operating voltage

400 V AC /3 ~PE/ 50 Hz

special voltage optional

Process connections

1 inch

connection cooling water circuit

½ inch








702 mm


260 mm


650 mm

empty weight

100 - 150 kg

    Special applications require special solutions!

    Due to the constantly alternating heating and cooling operation which is a result of the equipment control deviation, conventional temperature control units consume unnecessary energy thus driving up costs.

    Unlike conventional temperature control systems, a FlexControl series RHYTEMPER® system can, for example, manage without any heating power in the process. This saves 100% of the typical incidental heating energy costs. Beyond this the cooling energy fraction, necessary for compensating control inaccuracies in temperature control equipment, is dispensed with.

    A further plus is the interruption of the temperature control medium when opening the mould. This not only reduces energy consumption but also improves the process conditions for each new injection cycle and hence for each fresh occupancy of the mould.

    Doing away with a recirculation pump in the RHYTEMPER® system immediately leads to several savings impacts. Apart from savings on expensive electricity, recooling energy for the lost pump heat is avoided.

    All in all, RHYTEMPER® systems thereby reduce the heat energy requirement to zero, the cooling energy expense to that which is strictly necessary and with it the costs for the tooling temperature control to an absolute minimum.

    Getting to series production conditions in the shortest time is extremely important for the plastics processor. Depending on tooling and shot weight, a start-up phase without pre-temperature regulation is not possible.

    With the RHYTEMPER® temperature control unit, the start-up period until the quality-compatible operating temperature is reached is massively shortened! Unnecessary waiting times due to manual tooling warm-up are thereby avoided. Beyond this, individual tooling zones which require permanent thermal heat can be supplied via the pre-heat unit as required. The organisation of the requirement orientated pre-heating in start-up operation as well as providing the individual tooling zones with thermal heat is done via the central RHYTEMPER® regulation unit.

    The RHYTEMPER® temperature control unit thereby makes an important contribution to the best possible utilisation of process times and hence piece cost optimisation.

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