Product Name

Ultra-low Temperature Freezer

Model

LN-40W

LN-60W

LN-90W

LN-120W

LN-180W

Temperature Range ℃

-60°C~ -10°C

Cooling Capacity

At -40°C

80kW

120kW

180kW

240kW

360kW

68800Kcal/h

103200Kcal/h

154800Kcal/h

206400Kcal/h

309600Kcal/h

Cooling capacity

At -55°C

40kW

60kW

90kW

120kW

180kW

344000Kcal/h

51600Kcal/h

77400Kcal/h

103200Kcal/h

154800Kcal/h

Circulation Pump

25m³/h

2.5bar max

25m³/h

2.5bar max

35m³/h

2.5bar max

35m³/h

2.5bar max

50m³/h

2.5bar max

Inlet & outlet connection size

DN-40 PN-10

DN-40 PN-10

DN-50 PN-10

DN-50 PN-10

DN-65 PN-10

Water-cooled type W

(cooling water at 30℃)

35m³/h

50m³/h

70m³/h

90m³/h

120m³/h

Cold storage tank(optional)

1200L

1500L

2200L

3000L

4000L

Expansion tank(standard)

600L

750L

1000L

1350L

1800L

Compressor

Standard: HANBELL screw compressor
Optional: Bitzer screw compressor

Operation Panel

7-inch color touch screen display, temperature curve record, data export to excel format.

Control System

Standard: Single-chip microcomputer controller; Stepping control;

Set temperature difference of refrigeration on & off.

Optional: SIEMENS S7-200PLC&Module

Closed
circulation system

The whole system is a full closed circulation, there is no oil mist at high temperature

and no water vapor at low temperature, pressure do not rise up when system is running.

The system will supplement oil automatically at low temperature.

Circulation pump

Standard: Direct type magnetic pump

Optional: Increase the pipeline magnetic pump pressure in the pipeline

Evaporator

Standard: Braze welding plate heat exchager (BPHE)

Optional: Stainless steel tube heat exchanger

Condenser

Shell and tube type water cooled condenser

Intermediate heat exchanger

KAORI Plate heat exchanger

Dry Filter

Emerson

Drying filter core

Emerson

Expansion tank

Emerson

FDF

Emerson

Oil separator

Emerson

Pressure protector

Emerson

Reservoir

Standard: RSP

Optional: Emerson

Sight glass

Standard: SANHUA           Optional: Danfoss

Refrigeration ball valve

Standard: SANHUA           Optional: Danfoss

Electric

Schneider AC contactor, Schneider intermediate relay

Refrigerant

R404A

Secondary refrigerant

No corrosive liquid, ethanol water, ethylene glycol aqueous solution, heat transfer oil etc.

Safety protection

High pressure protect; Water supply cut-off protection; Over-current protection;

Leakage protection; Sequential and phase failure protection; High temperature protection;

Sensor Failure protection; Liquid low level protection etc. muti-safety protection.

Level Indicator

Adpot glass liquid level indication

Piping material

SUS304

Expansion tank material

SUS304

Case material

Steel channel + Square tube + Cold-rolled blanking plate painting

Product size

235*145*175

350*150*205

350*150*205

400*180*205

450*200*2050

Power

380V 50HZ

69kW max

380V 50HZ

104kW max

380V 50HZ

152kW max

380V 50HZ

200kW max

380V 50HZ

300kW max

HP

80HP

120HP

180HP

240HP

360HP

dB

Within90dB

Weight

2400kg

3000kg

3600kg

4200kg

5600kg