PAF series of precompressed air temperature cleaner is based on UCC, France SECOMA. The prototype of the prepressure air leakage device produced by the company and Germany REXROTH Company is made by the technical mapping after the introduction and further design and improvement according to the technical requirements of the domestic host equipment factory. After supporting the use of the host and technical test, it is proved that the performance and technical indicators have reached the technical requirements of similar products abroad, the connection size is consistent with foreign products, and can be exchanged and replaced, the price of its products is only 1 smart of the import price, which can save a lot of foreign exchange for the country. This product has the advantages of small volume, reasonable structure, beautiful and novel shape design, stable overtemperature performance, small pressure drop, easy installation and use, and is welcomed by the majority of users.