1,Single-acting pump, 2,One cylinder 3,Can transfer water ,cement fluids ... ,mortar with gravel diameter smaller than 7mm 1,InstructionThis model is single-acting pump with one cylinder ... 100L/min.2,specificationModelBWH100/5TypeDouble-acting one-cylinder plungerDisplacement100Pressure5.0Delver horizon Distance250mDeliver Vertical Distance120mGranule Particle ...