Lincoln helios [india] ltd., an iso 9001 certified company is the manufacturer and supplier of single line parallel systems. The systems are available in high pressure and low-pressure versions. These are used where back pressure is high, loads are heavy, adverse conditions like heat, dust and grime prevail. The low-pressure single line systems are suitable for cost-effective and reliable lubrication of equipment. The salient features of the single line parallel systems are as follows.