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  • Fisher™ Type 63EG-98HM Pilot-Operated Relief Valve or Backpressure Regulator
Fisher-P-63EG 98HM

Fisher™ Type 63EG-98HM Pilot-Operated Relief Valve or Backpressure Regulator

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Product Description

Type 63EG-98HM can be used for gas, liquid, or steam applications. For applications up to 550°F / 288°C, the Type 63EG-98HM utilizes high temperature Ethylenepropylene (EPDM) or Perfluoroelastomer (FFKM) for class VI shutoff. If used in a corrosive service, Perfluoroelastomer (FFKM) and other elastomers are available options that offer superior resistance to heat and most corrosive chemicals.

Features

  • Variety of Construction Materials?
  • Chemically Compatible Elastomers
  • Fast Speed of Response
  • NACE Availability
  • Easily Converted to Differential Control
  • Versatility in Both Liquid and Gas Service

Specifications

Pressure Registration
External
Temperature Capabilities
Generic Spec 2 Value
Body Sizes
NPS 2 / 3 / 4 / 6 / 8x6 | DN 50 / 80 / 100 / 150 / 200x150
End Connections
CL150RF / CL300RF / CL600RF / PN 16/25/40
Maximum Inlet Pressure
450 PSIG / 31 bar | Or body rating limit, whichever is lower
Maximum Outlet Pressure
450 PSIG / 31 bar | Or body rating limit, whichever is lower
Spring Ranges
15 to 375 PSIG / 1 to 25.9 bar
Additional Technical Data
For additional technical information,?contact?your local?Sales Office?or refer to technical documentation.

Documents & Drawings