Samson 5827 Mounting And Operating Instructions page 36

Operation
Actuator stem extends
− For globe valves:
− For three-way mixing valves:
− For three-way diverting valves:
Actuator stem retracted
− For globe valves:
− For three-way mixing valves:
− For three-way diverting valves:
Flow pipe
Return flow pipe
Flow pipe
Return flow pipe
Fig. 6-4: Operating principle of three-way mixing and diverting valves
6-4
Valve closed
Port A à AB open, B à AB closed
Port AB à A closed, AB à B open
Valve open
Port A à AB closed, B à AB open
Port AB à A open, AB à B closed
Mixing valve for mixing service
A AB
B
Diverting valve for mixing service
A
AB
B
For diverting service
Flow pipe
Return flow pipe
AB
For diverting service
Flow pipe
A
AB
B
Return flow pipe
A
B
EB 5827-2 EN