• Tipo: Balde Invertido
  • Série: Série 411-421
  • Família: Purgador
  • Fabricante: Armstrong
  • Aplicação: NPT, BSP, Conexão Soldada, ANSI 150, ANSI 300, ANSI 600, ANSI 900, Vapor Saturado, Vapor Superaquecido
  • Descrição

    Armstrong Model 411G vertical installation and Model 421 horizontal installation offer smaller capacities at higher pressures.

    A unique leverage system multiplies the force provided by the bucket to open the valve against system pressure. The mechanism is free-floating and has no fixed pivots to create wear or friction.

    Because the mechanism is located at the top of the trap, no dirt can collect on the orifice. Small particles of dirt are held in suspension until discharged by the full differential purging action when the bucket sinks, pulling the valve off the seat.

    The discharge orifice is surrounded by a water seal, preventing live steam loss. Automatic air venting is provided by a small vent hole in the bucket. Inverted bucket traps drain continuously to prevent condensate backup. They are also resistant to water hammer.

    Model 421 adds the convenience and savings of in-line repairability and is designed to meet todays energy-management requirements efficiently and economically over a long, trouble-free service life.

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