Jiangsu PP Breathing Valve Wholesale - Factory Price [Jiangsu Jiayuan Pipe Valve Co., Ltd.] The PP Breathing Valve is a device used to maintain pressure balance in storage tanks, commonly used in conjunction with flame arresters at the top of oil tanks. It features a compact structure, high air volume, low leakage, and excellent sealing performance, as well as small size, light weight, easy maintenance, cleaning, and replacement. Below is a detailed introduction to the PP Breathing Valve: I. Main Features - Compact Structure: Delicate design with minimal space requirement. - High Air Volume: Effectively meets the ventilation needs of the storage tank. - Low Leakage: Excellent sealing performance reduces medium volatilization and loss. - Easy Maintenance: Small size and light weight facilitate maintenance, cleaning, and replacement. II. Functional Role - Maintain Pressure Balance in Storage Tanks: Automatically opens or closes to maintain stable internal pressure in the tank during overpressure or vacuum conditions, preventing damage to the tank due to pressure imbalance. - Reduce Medium Volatility: Controls the flow of gas inside the tank to minimize the volatilization and loss of the medium (such as oil products). - Improve Safety: Used in conjunction with flame arresters to effectively prevent external fire sources from entering the tank, enhancing the safety performance of the storage tank.