98 Series Relief Valve or Backpressure Regulator
98 Series is used for backpressure or relief applications in liquid, gas, air, and steam service. Types 98L, 98H, and 98HH are direct-operated and spring-loaded. Types 98LD and 98HD use additional pressure loading to maintain relief differential pressures, backpressures or for remote set point adjustment.
This product has been replaced with the MR98 Series. Click here for more information.