... design , manufacturing and testing is in accordance with WELDED STEEL GAS CYLINDER DB5100, CYLINDERS SAFETY MONITORING PROCEDURES.(EN13322-1:2003) ... used between the temperature -20~55 Celsius degree.4. The gas inside the cylinder exists in the mixture of vapor and liquid ... -13E\ QF-13Y\ QF-13D10.Life Span: 10 years11.Refilling Gas: REFRIGERANT GAS R134A, R22, R404A, R410A, R407A, R407C, R408A, R409A, ...