Fisher™ Vee-Ball™ SS-84PSV4 Rotary Control Valve

Fisher

Fisher™ Vee-Ball™ SS-84PSV4 Rotary Control Valve

Fisher

The Fisher SS-84PSV4 valve is the pressurizer spray valve for use in third generation PWR nuclear generating stations. The NPS 4x3 valve body has NPS 4 buttweld ends with 3 inch Fisher Vee-Ball internal trim, which operates against a spring-loaded sleeve seal. This valve contains several enhanced features compared to the original SS-84 designs, which operated in previous PWR Reactors.

Specifications

Critical Service
General Service
Material
Stainless
Operating Temperature
Standard Temperature
Pressure Class
ASME
Process Connection Type
Butt Weld
Valve Size
4X3
Valve Size Standard
NPS
Other Configurations
Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Features

  • Missing tooth spline design ensures one-way only assembly.
  • Side body flange allows trim removal without actuator removal.
  • Design integrates easy adjustment of closed position.
  • Actuator turnbuckle adjustment allows precise positioning without linkage disconnects.

Documents & Drawings