上海兆茗电子科技有限公司  

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Pump

Suction pressure across

max. -0.4 bar to 0.5 bar

the suction connection

Operating pressure (oil side)

max. 6 bar

Medium (oil side)

Mineral oil to DIN 51524 Part 1 and Part 2

Temperature range (oil side)

+10 °C to +80 °C

Permissible contamination

≤ NAS12 or ISO4406: 22/21/18

(oil side)

Max. viscosity

see viscosity-temperature graph

Drive

Motor

Three-phase electric motor

Insulation class: F

Protection class: IP55

Speed

1,500 / 1,800 1/min (50/60 Hz)

Heat exchanger

Heat exchanger connections:

Female thread (max. tightening torque 160 Nm)

The pipes must be connected so that the connections are stress-free.

Linear expansion and vibrations from the pipes to the heat exchanger

must be avoided.

Medium (water side):

Water glycol (HFC)

Water

Oils

Temperature range (water side)

+5 °C to +60 °C

Operating pressure (water side):

max. 30 bar

Permissible contamination

The level of particles in suspension should be less than 10 mg/l.

(water side)

Particle size <0.6 mm (spherical)

Thread-like particles cause a rapid increase in pressure losses.

Water quality

The following ions are not corrosive under normal conditions:

phosphate, nitrate, nitrite, manganese, sodium and potassium

also see table on water quality