Fisher Vee-Ball SS-84PSV4 Rotary Control Valve

Fisher Vee-Ball SS-84PSV4 Rotary Control Valve

Any questions?

Linda Grönqvist
Solution Seller
Phone. +46 40-33 02 32

Linda.Gronqvist@askalon.se

Mats Görrel
Account Manager Nuclear
Phone. +46 54-57 92 21

Mats.Gorrel@askalon.se

Niklas Pettersson
Account Manager
Phone. +46 54-57 92 09

Niklas.Pettersson@askalon.se

Morten Noppenau
Country Manager Askalon Denmark
Phone. +45 2121 3491

Morten.Noppenau@askalon.dk

Risto Wallin
Country Manager Askalon Finland
Phone. +358 207 416 209
Mob. +358 400 448 248

Risto.Wallin@askalon.fi

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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.

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
  • 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.