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Wide temperature: -120 ~ -10 degree, High cooling power up to 60KW at -35 degree, Good in performance ,offer 24 hour service - details see: https://www.machineto.com/low-temperature-freezer-ld-series-80-degree-10244914

Description

The company's medium-sized single-fluid low-temperature freezer, refrigeration temperature range from -40 degree ~ -80 degree, safe, reliable, rapid cooling for the liquid, widely used in petrochemical, medical, pharmaceutical, biochemical and freeze-dried , military and other high-tech industries.

Features:

1. The temperature ranging from -10 degree ~ -120 degree, the cooling power ranging from 6000W ~ 300KW.

2. Using secondary cooling technology, the rapid cooling, low temperature limit.

3. Imported brand-name semi-hermetic compressors, such as Copeland and Bitzer with reliable quality.

4. All use high-strength plate heat exchanger, small volume, and high efficiency.

5. Importing a full set of cold controls (DANFOSS pressure controller, balance valve, expansion valve, solenoid valve, filter drier, oil separator, ALCO sight glass, check valve, A Bisi shock tube, etc.), high reliability.

6. Between the cooling water circuits, it is equipped with heat exchanger which significantly improves system's reliability and security, and can effectively prevent condenser fouling without the need of their regular chemical cleaning.

7. Choose vector converter technology electronic expansion valve, high precise control.

8. User the self-developed ultra-low temperature large LCD screen control system, high reliability, easy operation.

Model		LD-4.0	LD-5.0	LD-8.0	LD-11.0	LD-15.5	LD-22	LD-31
Refrigerating capacity	KW	4	5	8	11	15.5	22	31
	Kcal/h	3440	4300	6880	9460	13330	18920	26660
Method of operation		PLC touch screen controller
Function of alarm		Temperature probe abnormal alarm, over-heat/over-cold alarm, freezer abnormal alarm and leakage protection
Compressor	Model	Copeland and Bitzer,semi-hermetic
	Rate of power	11.2×2	15×2	22×2	30×2	45×2	30×4	45×4
Evaporator	Model	Plate heat exchanger
	Hose internal diameter	DN-25	DN-32	DN-32	DN-50	DN-50	DN-65	DN-80
Freezer	Model	Shell and tube heat exchanger
	Flow rate m³/h	8	10	16	22	30	44	60
	Hose internal diameter	DN-65			DN-80		DN-125
	Pressure	<0.1MP
Power		380V50/60HZ
Dimension	length	1800	2200	2200	2500	2500	4500	5000
	width	1300	1300	1300	1300	1300	2100	2100
	height	1500	1500	1500	1500	1500	2100	2100
Weight(kg)		1000	1800	3000	3500	4000	5500	6500
Refrigerant outlet temperature		-80 degree~-40 degree