Name: -45~-10 degree Ultra-low temperature infudtrial freezer LJ-20W
Brand: LNEYA
Availability: InStock

Product Details

-45~-10 degree cryogenic freezer industrial blast freezers

with high speed Best sale in Asia LJ-20W

Detailed

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 than
12 hours in the factory.

Technical Parameters:

Product Name	Ultra-low Temperature Freezer
Model	LJ-6W	LJ-10W	LJ-15W	LJ-20W	LJ-30W
Temperature range ℃	-45°C~ -10°C
Cooling Capacity At -20°C	12kW	20kW	30kW	40kW	60kW
Cooling Capacity At -20°C	10320Kcal/h	17200Kcal/h	25800Kcal/h	34400Kcal/h	51600Kcal/h
Cooling Capacity At -40°C	6kW	10kW	15kW	20kW	30kW
Cooling Capacity At -40°C	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℃)	8m³/h	10m³/h	16m³/h	20m³/h	25m³/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 valve	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	160100165	180120175	180120175	205145175	205145175
Power	380V 50HZ 10kW max	380V 50HZ 14kW max	380V 50HZ 22kW max	380V 50HZ 31kW max	380V 50HZ 45kW max
HP	12HP	15HP	25HP	35HP	50HP
dB	Within 75dB		Within80dB
Weight	800kg	950kg	1100kg	1350kg	1500kg

Company Information

About Us

Wuxi Guanya Refrigeration Technology Co., Ltd. Specialized in rerfigeration equipment, ultra-low temperature freezer, cooling and heating temperature control system, heating circulation system, explosion-proof electric equipment. Automatic integrated disparate control system, laboratory apparatus. We are the technology leader for high precision thermoregulation solutions in Research and Development Industry. Our products ensure precise temperature control throughout the whole world in laboratories, pilot plants and production processes. Our product range offers temperature control solutions for applications from -152 to +350℃.

We make market and user need oriented products, focusing on science and technology applying international advanced technology, endlessly get rid of the stale and bring forward the fresh following the market step & meet market demand. The company always insists on standardised management in accordance with ISO9001-2008 international quality certification requirement from product design, purchase and selection of components, to production process flow, packaging and transportation etc, try to keep improving products, and keep reasonable price and satisfactory service.

Development history

In 2006 Start production of refrigeration and heating system equipments.

In 2007 Developed the first generation of refrigeration and heating thermostat and establish the LNEYA CO., LTD.

In 2008 Developed the first generation of refrigeration and dynamic temperature control system.

In 2009 Developed the second generation of refrigeration and heating thermostat.

In 2010 Established WUXI GUANYA REFRIGERATION TECHNOLOGY CO., LTD.

Developed the second generation of refrigeration and heating dynamic temperature control system.

Developed the refrigeration and heating dynamic temperature control system & low temperature freezer for industry use.

In 2011 Developed new technology with single compressor having multiple circulation systems (can reach to -80 degree with single compressor)

Upgraded the second generation of refrigeration and heating dynamic temperature control system.

In 2012 Single compressor having multiple circulation systems is applied in production of SUNDI-4, SUNDI-5, SUNDI-6, and SUNDI-7, SUNDI-8 and LT series.

Upgraded the second generation of refrigeration and heating dynamic temperature control system for the second time and developing the third generation of refrigeration and heating dynamic temperature control system.

In 2013 Developed new product one operating multi refrigeration and heating temperature control system(the third generation of refrigeration and heating dynamic temperature control system).At the same time testing the large capacity of ultra-low temperature freezer.

In 2014 Developed with large capacity of ultra-low temperature freezer which used for industrial production,new goods will be research.And it will be launched in the market soon........

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