-60~ -10 degree industrial using low temperature freezer LN-20W

Product Name

Ultra-low Temperature Freezer

Model

LN-6W

LN-10W

LN-15W

LN-20W

LN-30W

Temperature Range ℃

-60°C~ -10°C

Cooling Capacity

At -40°C

12kW

20kW

30kW

40kW

60kW

10320Kcal/h

17200Kcal/h

25800Kcal/h

34400Kcal/h

51600Kcal/h

Cooling capacity

At -55°C

6kW

10kW

15kW

20kW

30kW

5160Kcal/h

8600Kcal/h

12900Kcal/h

17200Kcal/h

25800Kcal/h

Circulation Pump

6.6m³/h

2.5bar max

9m³/h

2.5bar max

15m³/h

2.5bar max

15m³/h

2.5bar max

25m³/h

2.5bar max

Inlet&outlet connection size

DN-25 PN-10

DN-25 PN-10

DN-32 PN-10

DN-32 PN-10

DN-40 PN-10

Water-cooled type W

(cooling water at 30℃)

10m³/h

14m³/h

20m³/h

25m³/h

30m³/h

Cold storage tank (optional)

200L

350L

500L

750L

1000L

Expansion tank (standard)

100L

175L

250L

350L

500L

Compressor

Standard: Copeland
Optional: BOCK piston 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

180*120*175

205*145*175

205*145*175

205*145*175

235*145*175

Power

380V 50HZ

14kW max

380V 50HZ

18kW max

380V 50HZ

26kW max

380V 50HZ

35kW max

380V 50HZ

52kW max

HP

15HP

20HP

30HP

40HP

60HP

dB

75DB

Within80dB

Weight

850kg

1000kg

1200kg

1450kg

2000kg