2CY series gear and lubrication pump is mainly to carry the lubricator in various lubricating system of mechanical equipment also it's suitable to carry the oils with lubricational feature and the viscosity should be below 10°E (75 c.s.t ) and the temperature should be less than 300°C. Furthermore, the gear pump in stainless steel can transport the edible oils, beverages and so on. The pump hasn't safety valve itself. Shaft seal including skeleton seal, mechanical seal and stuffing seal. Please indicated when placing order.