backflow pressure valve

英 美
  • 止回阀
  • backflow n.回流;逆流
  • pressure n.压强;压力;压迫v.施压
  • valve n.瓣膜;真空管;阀门;电子管
    1. Pressure Seal Swing and Tilting Disc Check Valves.
      节能梭式止回阀。
    2. Check valve guiding shall be plastic to plastic.
      止回阀引导装置应该是塑料对塑料。