C Series- Super High Pressure Brazed Plate Heat Exchanger C series is specially designed for the evaporator, condenser, economizer and oil cooler in R744 (CO2) heat pump and refrigeration system. Different designs with max. working pressure 70 bar, 100 bar and 140 bar are available for various duties and performance specifications. Compact size, outstanding heat transfer performance and low pressure are the three key features. The quality and the durability of C series is proved by thorough inspection, achieving the burst test pressure up to 650 bar and cycle test over 100,000 cycles.