Insulation is a ball valve, gate valve and flange belong to a type of closure member is a sphere, the sphere rotating around the center line valve to achieve open and close. Ball in the pipeline is mainly used for cutting, distribution and change the direction of flow of the medium. The general level of the installation. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Cause and Remedy valve failure: failure analysis of electric valve installation for production reasons: 1. poor lubrication, a foreign body stuck in the valve two-soft (hard) ball price sealed insulation, causing great damage to the torque side; 2. motor failure; Failure Remedy: 1. For refueling BQ41F) sealed insulation ball, make good BQ41F tubing valve supplier, packing compression should be adapted, should be immediately removed the foreign body inside the valve to keep clean; 2. Motor working time is not more than 15 minutes, the power should be normal, to avoid motor damp. BQ41F insulation ball, Everbright valve, BQ41F Ltd provided by Shandong Everbright valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) Shandong Weifang, ball leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Everbright valve leadership with the staff warmly welcome all inquiries negotiations to create a better future for China Everbright valve.