BTO, RTO, ETO, BTC, RTC and ETC often appear in pneumatic valves or electric valves (such as ball valves, butterfly valves, gate valves, globe valves, and plug valves). What do these words mean. Let’s learn more about them.
What is means of BTO, RTO, ETO, BTC, RTC and ETC.
BTO:
VALVE BREAK TORQUE OPEN
RTO:
VALVE RUN TORQUE OPEN
ETO:
VALVE END TORQUE OPEN
BTC:
VALVE BREAK TORQUE CLOSE
RTC:
VALVE RUN TORQUE CLOSE
ETC:
VALVE END TORQUE CLOSE
T:
Valve Torque at nominal pressure
Note:
BTO=1T
RTO=0.4T
ETO=0.6T
BTC=0.75T
RTC=0.4T
ETC=0.8T
Post time: Mar-20-2025