The power sprayer in various type to meet different standard. Pump featuresCastiron pump head, casting aluminium housing, stainless steel air chamber, pressure adjustable,stainless steel plunger, heavy-duty plunger sealing set. Optional componentsCasting brass pump head, heat-treatment plunger, ceramic plunger, brass V-packing seat,stainless steel valves, copper oil cup. We have various type of ...