Siemens zone valves have a stroke valve design for on/off or basic modulating control to ensure HVAC hydronic systems deliver reliable comfort. Feature direct-coupled technology for quick connection of the valve body and actuator without tools.

  • 2-way normally open and normally closed combinations
  • 3-way diverting
  • Sweat or NPT end connections
  • 232 psi pressure rating
  • High close-off up to 87psi with ANSI Class III leakage (0.1%)
  • SFA/P Series or STA/P Series on/off fail-safe actuators
  • SSA/P Series floating or modulating fail-in-place actuators