1. Overview

Vacree Technologies Co., Ltd. has nearly 40 years' experience in R&D and production of GM cryocoolers and Solver cryocoolers. There are series of cryocoolers.

2. Composition of GM cryocooler

GM cryocooler is composed by three parts: cryogenic cold head (expander), helium compressor and metal hoses.

3. Technical specifications for cryocoolers

（Model)	Double-stage Cryocoolers			Single-stage Crycoolers
（Model)	SV202	GM205	GM210	GM150
Compressor unit	C50W	C50W	C80W	C50W
Lowest temperature	（2nd Stage) ＜10K （1st Stage) ＜40K			＜35K
2nd stage cooling capacity	2W＠20K	5W＠20K	10W＠20K	-
1st stage cooling capacity	15W＠77K	35W＠77K	35W＠77K	50W＠77K
Cool down time(2nd stage)	＜40Min.(20K)			＜30Min.(77K)
Power supply	380V-3Φ-50Hz 2.75KW	380V-3Φ-50Hz 2.75KW	380V-3Φ-50Hz 4.5KW	380V-3Φ-50Hz 2.75KW
Weight (Compressor+Coloheed,Kg)	105+9	105+14	105+19	105+13
Maintenance interval	10000Hours	10000Hours	10000Hours	10000Hours

4. Technical specifications for helium compressors

（Model)	C50W	C80W	C100W
Outline dimensions	480L×582W×680H	480L×582W×680H	480L×582W×680H
Weight	105Kg	105Kg	115Kg
Power requirement	380V,3Φ,50Hz	380V,3Φ,50Hz	380V,3Φ,50Hz
Power consumption	2.75KW	4.5KW	5.5KW
Environment temperature	10℃-38℃	10℃-38℃	10℃-38℃
Cooling method	Water-cooling	Water-cooling	Water-cooling