Oil Circulating System: Oil Circulating System where oil is sucked from reservoir with the help of pump and ejected on lubrication point is widely used. Oil Circulation Systems are used for lubrication as well as cooling of bearings working in a high temperature environment and for heavy-duty motor driven gearboxes.Henan Daswell Machinery Co., Ltd,is a professional manufacturer and trader specializing in the research, development and production of construction machinery for nearly 30 years. Our main products are as follows:diesel concrete mixers for sale,beton mixer,etc. We will provide you with the best product and service. Grease Blocks: These are made up of steel having two input ports connected with two outlet lines of pumping station. Range of Grease Blocks is available in different sizes and specifications. Metering Cartridges: These are used for various machines for measured quantity of oil at different locations where lubrication is required. The Metering Cartridges ejects measured amount of oil as required at particular area which means a proper and efficient use of the costly oil and reduces manufacturing costs. The metering cartridges are kind of mini cylinder with a check valve, operates as soon as pressure build in the line, get recharged for next cycle as soon as pressure drops in the line. The maximum permissible pressure of metering dozer is 35-40kg/cm2 minimum operating pressure 7-8kgcm2. Our Metering Cartridges are manufactured using cutting edge technology portable concrete mixers, which ensures durability at customer end. Different sizes and designs are easily available in the market. Our entire range is available at market leading prices.