2CY series Equipment pump is mainly to have the lubricator in various lubricating technique of mechanical equipments&comma also it truly is suitable to have the oils with the lube function and their viscosity should below 300cst and the temperature should significantly less than 300 degree centigrade&comma furthermore&comma the equipment pump in stainless metal can transport the edible oils&comma drinks and so on&interval The pump hasn’t valve alone&period Shaft seal has skeleton oil seal&comma mechanical seal and stuffing seal&period