hat
2. an ekspansyon barik permet ekspansyon anba pwesyon toutan, anwo nan syèl la cuisson efikasite ak en benefis. Li kapab fè ekonomize plis pase 50% enèji pou nòmal avan flèche,
eng
2.Sealed expansion barrel enables expansion under constant pressure, high steaming efficiency and steam saving. It can be saving more than 50% energy to the normal pre-expander;