This product is in accordance with the requirements of the American Petroleum Institute design standards, and strictly implements the requirements of customer site conditions, so as to achieve the complete adaptability of one valve and one design, one valve and one working condition. The product is different from the traditional concept of valve and actuator and adopts a new design principle of low torque and high life. It adopts advanced sealing structure and imports high-quality sealing materials. Each type of product is tested for more than 30,000 high-frequency actions to ensure that each valve can operate stably online.