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Las válvulas de mariposa son válvulas de un cuarto de vuelta con características de flujo de tipo porcentual iguales. Proporcionan un control de flujo moderado y, por lo tanto, se pueden utilizar tanto para el servicio de activación / desactivación como para el de modulación. Buena tolerancia a los sólidos en suspensión, pero no se recomienda su uso con lodos o residuos. La válvula de mariposa es adecuada para una amplia variedad de aplicaciones de flujo de fluidos.

Type-57P butterfly valves are quarter turn valves with equal percentage type flow characteristics. They provide moderate flow control and therefore can be used for both on/off and modulating service. Good tolerance to suspended solids but not recommended for use with slurries or debris. The Type-57P butterfly valve is well suited for a wide variety of fluid flow applications.

New Design Features

  • * Molded tag holes for valve identification and labeling
  • * Redesigned indicator plate for lever handle models 0° closed to 90° open legend with            10° intervals
  • * Increased internal sealing performance
  • * New design disc and seat
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  • Ideal Applications Include: Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

Features/Benefits:

  • • 316SS Stem with full disc engagement
  • • Full seat design eliminates gaskets
  • • Seat overtightening prevention
    • Lockout-Tagout – lever handle molded padlock provision and 2-molded valve body tag holes
    • Highly visible O° to 90° position indicator with 19 fine adjustment locking positions
    • ISO 5211 F07 – F14 bolt circle on top flange
    • Polypropylene stem retainer
    • Spherical disc design
    • Non-wetted stem and body – Isolated from the media
    • Plasgear™ operator

Specifications:

Sizes:

1-1/2" – 14"

Body Materials:

PVC, CPVC, PP, PVDF

Seat Materials:

EPDM/FKM/Nitrile

Disc Materials:

PVC/CPVC/PP/PVD

Resources:

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