product manual
  Q347F / H long pipeline ball valve is fixed according to the user's requirements, in order to meet the anti-sulfide stress cracking sulfide environment requires not only a wide selection of trim materials are used nickel-plated or 316, the use of special seals polymer material, so long pipeline fixed ball not only anti-corrosion, anti-curing ability, fire prevention, anti-static, good sealing performance for a wide range of temperature and pressure, full bore and reduced diameter are available, can be equipped with a variety of drive means , the chemical industry, petroleum refining, natural gas and transport system over the valve selection.