Mark 80 Series ⟶
Self-Operated, No External Power Source
Mark 801/802 Series ⟶
Self-Operated, High Flow
Mark 82 Series ⟶
Internal Piloted Temperature Regulators | Direct or Reverse Acting | Sliding Gate with Sensing Bulb
Mark 85 Series ⟶
Controlled Failure Option
Mark 86 Series ⟶
Ambient Temperature
Mark 87 Series ⟶
Externally Piloted
Mark 89/89MX ⟶
Three-Way, Diverting or Mixing Service
Your List
Email List
Get A Quote
For accurate temperature control – count on Jordan Valve and the entire Mark 80 Series product line. Whether your application is tank heating, steam tracing, heat exchanging, air drying or regulated cooling, our thermal regulator valves will maintain temperature without the need for external power or additional instrumentation.