Home > Products > Low temperature freezer > Closed system ultra-low temperature freezer -80 to -30 degree LD-12W
Closed system ultra-low temperature freezer -80 to -30 degree LD-12W
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Product Details
| Place of Origin: | Jiangsu, China | Brand Name: | LNEYA | Model Number: | LD-12W |
| Certification: | CE |
Product Description
Low Temperature freezer -80 to -30 degree
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 | 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 | |||
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 | 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 |
- About Us
Wuxi Guanya Refrigeration Technology Co., Ltd. Specialized in rerfigeration unit,
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 temp.
control solutions for applications from -152 to +350℃.
We make market and user need oriented products, focusing on science and tech.
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 temp.
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........
2015 Corning Reactor and its Ancillary Equipment Technology Exchange Meeting
Contact Us
- Wuxi Guanya Refrigeration Tech Co., Ltd.
- Contact nameLisa Li
- Phone0086-510-82321181
- AddressNo.10, Zhenfa No.1 Road, New district, Wuxi, Jiangsu, China Wuxi,Jiangsu
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