
Oil and air metering devices
Mixing valves mix a metered quantity of oil with an air stream to form an oil-air mixture. They are assembled in the compressed air line leading to the consuming point. Besides non-adjustable metering valves, there are adjustable metering valve distributors allowing the flow rate to be individually regulated. Metering valve distributors are used for total loss lubrication systems and circulating lubrication systems.
Mixing valves without integrated metering unit
If there is no room available for the direct assembly of a mixing head, a mixing valve can be inserted directly into the compressed air line as close to the consuming point as possible. A branch point to several consuming points is possible. In order to supply the oil, mixing valves without an integrated metering unit require a metering piston distributor, an intermittently operating single-line lubrication system or an injection oiler.
Mixing valves with integrated metering unit
In contrast to mixing valves without integrated metering units, these have a built-in piston distributor which meters the oil. The oil connector of the mixing valve should be connected directly to the main line of a single-line centralized lubrication system, without the interconnection of an additional piston distributor. The required quantity of oil can be selected using an interchangeable metering nipple.






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