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What is the different between composite safety toe and Alloy Lite Safety Toe?
There is no functional difference between a composite safety toe and Alloy Lite Safety Toe. They are made of different materials but meet the same performance standard.
How do you set Thermal safety valve?
*A valve thatrelieves pressure due to thermal expansion of liquid* You will see PSV's pressure safety valves on vessels with gas in them. You will see TSV's (Thermal Safety Valves) on pipelines/vessels full of fluid. The fluid in a blocked in pipeline in the sun will expand and quickly increase the pressure in the pipeline. The Thermal safety valve relieves this pressure due to thermal expansion. Essentially TSV's and PSV's Are the same physical device just used for different reasons, and so named differently. To complicate the issue you can also get combined temperature and pressure relief valves. These have two mechanisms 1. Normal spring to hold valve closed until set pressure is reached and valve opens. 2. Wax/oil filled probe, that as it gets to set temperature expands and opens valve. I have not yet seen these valves in the process industry, but there is one on my water heater at home. http://www.rmc.com.au/files/spec_sheets/HT501_1.pdf
What is pop up test in safety valve?
it is the pressure test used to determine the operating pressure of the pressure relief valves (CDTP).
What is the range of a safety valve settings for a boiler operation at 1000 psi?
There is no range on a safety valve. It lifts and relieves at whatever it`s setpoint is. As for the setpoint, it would be just above the maximum working pressure/temperature of the water side of the boiler as stated on the National Board Tag of the vessel.
Is safety valve and pressure valve mean the same?
yes
