Introduction: New type one-way valve. According to the advantages of other unilateral valves, the newly improved check valve is composed of stainless steel, ceramics and super wear-resistant materials, with long service life and good stability. One way valve is also called check valve or non-return valve. The ceramic one-way valve of our company is a proprietary product developed for water jet looms. It is made of super wear-resistant ceramics and new materials. During the operation of the machine, a stable water pressure supply is guaranteed, which greatly increases the starting efficiency of the water jet loom and the yield of the cloth surface quality, thus increasing the economic benefits.