... Low pressure accumulator,high pressure damper. Hot water, Assembly type: horizontal or vertical.Transmission type: ... belt wheel, electromagnetic or frequency-changing. Main parts:Pump body:(material used: HT250)Fluid cylinder body: ... 304ss,316ss,316L ss,1Cr18Ni9Ti, 420ss,1045,4140)Heat treatment is applied to prevent fatigue crack.Crank ... pressure steam boiler feed water pump,high pressure boiler feed ...