... .long life 4.high quality control Products and technologic parameters:Type: RLY300-60, RLY250-40, RLY235-35, RLY235-25, RLY200-16, RLY180 ... -10 Water Volume (L): 60, 40, 35, 25, 16, 10Outside Diameter (mm): 309, 258, 243 ... 1kg of First Discharging (g): ≤50Capacity of one Continuous Discharging: ≥60%of Filled Capacity Ambient Temperature (°C): ≤40 Acetylene Cylinders