4SI Series compressors includ high temperature and low temperature types, they are widely used in high/medium/low working conditions. 

Technical Specifications 

4 Series of Piston Refrigeration Compressor (with 4 Cylinders)

Number of Cylinders: 4 

Nominal Power for low temperature(Hp): 3,5,6,8,10,12

Nominal Power for high temperature(Hp): 5,7,9,10,12,15,20

Discharge capacity for low temperature(m³/h): 18.1/21.7, 26.8/32.3, 32.5/39.2, 

34.7/41.6, 41.3/49.9, 48.5/58.1, 56.2/67.7

Discharge capacity for high temperature(m³/h): 18.1/21.7, 26.8/32.3, 32.5/39.2, 

34.7/41.6, 41.3/49.9, 48.5/58.1, 56.2/67.7

Lubrication method: Splash lubrication

Refrigerant: R22/R404A/R407C/R134a

Length(L): 432-795 mm

Width(W): 304-452 mm

Height(H): 3502-453 mm

Net Weight(kg): 86-203