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Wuxi Guanya Refrigertion Technoloy  Co., Ltd

Home > Products > Low Temperature Freezer > LD-80℃~-30℃
  1. Low Temperature Freezer-80℃~-30℃-one compressor
  2. Low Temperature Freezer-80℃~-30℃-one compressor

Low Temperature Freezer-80℃~-30℃-one compressor

  • DescriptionMedium-sized low-temperature freezer, refrigeration temperature range from -80 ℃ ~ -30℃, safe, reliable, rapid cooling for the liquid, widely used in petrochemical, medical, pharmaceutical, biochemical and freeze-dried, military and other high-tech industries.
  • InformationLow circulator, Low temp circulator, Constant temp circulator, Low circulator, Low temp, circulation bath, Circulators bath, Circulation bath, Circulators, Chiller, Cooling circulators, Cooling bath circulators, Cooling thermostat, Refrigeration bath circulators, Refrigeration circulator, Refrigeration thermostats, Refrigeration bath circulator, Low temp freezer, Freezer, Low freezer, Low chiller, Freezer chiller, Cold trap, Immersion cooler, Low temp bath, Bath thermostats
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Medium-sized low-temperature freezer, refrigeration temperature range from -80℃ ~ -30℃, safe, reliable, rapid cooling for the liquid, widely used in petrochemical, medical, pharmaceutical, biochemical and freeze-dried, military and other high-tech industries.

  1. Parameter
  2. Advantage
  3. Application

Freezer -80 Degree-80℃~-30℃


Technical Parameters:

Product Name

Ultra-low Temperature Freezer

Model

LD-4W

LD-6W

LD-8W

LD-12W

Temperature Range ℃

-80°C~ -30°C

Cooling Capacity

At -60°C

6kW

9kW

12kW

18kW

5160Kcal/h

7740Kcal/h

10320Kcal/h

15480Kcal/h

Cooling Capacity

At -75°C

4kW

6kW

8kW

12kW

3440Kcal/h

5160Kcal/h

6880Kcal/h

10320Kcal/h

Circulation Pump

6.6m³/h

2.5bar max

6.6m³/h

2.5bar max

9m³/h

2.5bar max

15m³/h

2.5bar max

Inlet & outlet connection size

DN-25 PN-10

DN-25 PN-10

DN-32 PN-10

DN-32 PN-10

Water-cooled type W (cooling water at 30℃)

10m³/h

14m³/h

20m³/h

25m³/h

Cold storage tank (optional)

200L

350L

500L

750L

Expansion tank (standard)

100L

175L

250L

350L

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

Schneider AC contactor, Schneider intermediate relay

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

205*145*175

205*145*175

205*145*175

235*145*175

Power

380V 50HZ

14kW max

380V 50HZ

18kW max

380V 50HZ

30kW max

380V 50HZ

43kW max

HP

15HP

25HP

35HP

50HP

dB

75DB

Within80dB

Weight

950kg

1100kg

1400kg

1800kg

 

Model

LD-20W

LD-30W

LD-40W

LD-60W

LD-90W

LD-120W

LD-180W

Temperature Range

-80°C~ -30°C

Cooling Capacity

At -60°C

30kW

45kW

60kW

90kW

135kW

180kW

270kW

25800Kcal/h

38700Kcal/h

51600Kcal/h

77400Kcal/h

116100Kcal/h

154800Kcal/h

232200Kcal/h

Cooling Capacity

At -75°C

20kW

30kW

40kW

60kW

90kW

120kW

180kW

17200Kcal/h

25800Kcal/h

34400Kcal/h

51600Kcal/h

77400Kcal/h

103200Kcal/h

154800Kcal/h

Circulation Pump

25m3/h

2.5bar max

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

65m3/h

2.5bar max

Inlet & outlet connection size

DN-40 PN-10

DN-40 PN-10

DN-40 PN-10

DN-50 PN-10

DN-50

PN-10

DN-65

PN-10

DN-65

PN-10

Water-cooled type W (cooling water at 30℃)

35m3/h

45m3/h

65m3/h

90m3/h

120m3/h

180m3/h

250m3/h

Cold storage tank (optional)

1000L

1200L

1500L

2200L

3000L

4000L

5000L

Expansion tank (standard)

500L

600L

750L

1000L

1350L

1800L

2200L

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

Schneider AC contactor, Schneider intermediate relay

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*205

450*200*205

650*220*235

Power

380V 50HZ

56~80KW

85KW~120KW

112KW~160KW

168KW~240KW

252KW~360KW

336KW~480KW

500KW~720KW

dB

Within80dB

Within90dB

 

Weight

2200kg

3000kg

3500kg

4000kg

5000kg

6000kg

8000kg


TAG:  LD-4W LD-6W LD-8W LD-12W

1.Temperature ranges from - 5 ~ - 150 degrees, can meet different temperature
2.Adopt environmental protection refrigerants
3.Famous brand semi-closed piston compressor, semi-closed bipolar piston compressor, semi-hermetic screw compressor, main brand are BOCK. Bitzer, Copeland, Hanbell, fusheng; Plate heat exchanger, Small volume, High efficiency
4.Top imported cold controller(DANFOSS pressure controller, balance valve, expansion valve, solenoid valve, filter drier, Emerson oil separator, ALCO liquid mirror, check valve, etc.)
5.Generator cooling water circuit use intermediate heat exchanger, improve system reliability and safety.
6.DANFOSS electronic expansion valve, high precision control;
7.Adopt Siemens PLC S7-200/300, LNEYA touch screen, automatic control, temperature curve display, temperature record U disk, fault alarm;
8.Large cooling capacity adopts semi-hermetic screw compressor, electronic expansion valve control, high efficiency and energy saving;
9.Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water;
10.Factory testing: each refrigerating unit is on load test of not less than12 hours in the factory.


TAG:  LD-4W LD-6W LD-8W LD-12W

Chemical,pharmaceutical,biochemical industry and such low temperature reaction.


TAG:  LD-4W LD-6W LD-8W LD-12W
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