タイトルまたは説明

Check valve /check valve/check valves/swing check valve/pvc check valve Features: 1. Well-selected and high quality materials, in accordance with relevant standards at home and abroad 2. Advanced and reasonable seal pair, and sealing surface of disc and seat adopting iron base alloy or Stellite cobalt cemented carbide welding surface with characteristics of wear resistance, high temperature resistance, good corrosion resistance, abrasion resistance, and long service life. 3. All kinds of piping flange standards and flange seal types meet the needs of the various project and requirements of users. 4. Valve body materials feature in complete variety, and spacers can be selected reasonably according to actual working condition or the users' requirements, which can be applicable to all kinds of pressure, temperature and medium conditions.