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Type 25H Elevated Pressure Miniature Welded Diaphragm Seal

  • Designed to isolate the pressure measuring instrument from corrosive or viscous process media
  • Utilize an all welded, all metallic housing design to eliminate potential leak paths
  • Maximum pressure rating is 5,000 psi
  • Displacement capability of 0.02 cubic inches
  • For use with gauges with dial sizes of 2-1/2 inches and smaller, and pressure ranges no less than 100 psig
  • Housing and diaphragm offered in a variety of materials to suit most applications
  • A flushing port is available to clean wetted areas and prevent process media build up
  • Consider gauge size, pressure range, media composition, ambient and operating temperature, and maximum working pressure when selecting
  • For process temperatures over 212° F a capillary or cooling element is recommended, contact factory to order
  • Fill fluid must be compatible with process media; i.e. Glycerine may become volatile in conjunction with a strong oxidizing agent such as chlorine, forms of oxygen or peroxide and nitric acids