ISO 20 Feet Offshore Reefer Container for sale Standard: ISO668, 6346, 1496/2, 1161, 3874, CSC, ... TIR, UIC ISO 20 Feet Offshore Reefer Container for sale Internal temperature: -30 to +30deg. C Refrigeration machinery ... ) heat transfer coefficient: 21 kcal/hr. deg max. (u20) Allowable Stacking Weight (1.8G) 86400 kgs Cladding & Frames external internalside: MGSS ...