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The GM series and PT series refrigeration machines produced by Sumitomo of Japan are currently reliable, widely used and have a high market share in the international market. The function of a refrigeration machine is to generate a continuous closed refrigeration cycle.
Technical parameters：
ModelSRDK-101D SRDK-408D2 SRDE-412D4 SRDK-415D2 SRDE-418D4 SRDC-02K SRDK-500B2 Cooling capacity First-level cold head 3.0W@45K 40W@43K 53W@43K 35W@50K 42W@50K 1.0W@60K 45W@20K Secondary cold head 0.16W@4.2K 1.0W@4.2K 1.25W@4.2K 1.5W@4.2K 1.8W@4.2K 0.02W@2.3K / Low temperature 3.0 K <3.5 K <3.5 K <3.5 K <3.5 K <3.5 K <2.2 K <14 K Cooling time (4.2k) ＜150 Minutes ＜60 Minutes ＜60 Minutes ＜60 Minutes ＜60 Minutes ＜120 Minutes ＜50 Minutes Size 442 x 130 x 226 mm 557 x 180 x 294 mm 554 x 180 x 306 mm 557 x 180 x 294 mm 554 x 180 x 306 mm 351.7 x 130 x 226 mm 570 x 180 x 325 mm Corresponding compressor F-20L/A11B F-50H F-50H F-50H F-50H A11B/C F-70H
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