What is the difference between Pressure Safety Valve and
Pressure Relieve Valve, in what condition we prefer choose
Pressure Safety Valve rather than Pressure Relieve Valve?
and vice versa
Answer Posted / abhishekk
pressure safety valve is automatic relieves the static
pressure on a gas..usually it opens completelly ..while
relief valve relieve the static pressure in a liquid filled
,its opens proportionally with increasing pressure...
PSV is used in case of gas and PRV is used in liquid.
| Is This Answer Correct ? | 29 Yes | 3 No |
Post New Answer View All Answers
why we use the ac supply load cell>?can we use the dc supply load cell?advantages and disadvantage of the ac supply load cell?
What is eddy current? Describe the operating principle of proximity probe.
what are the values of fuel flow rate in various places in boiler.
Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls
Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?
i need some objective type questions in instrumentation
I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.
What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.
field bus transmitter calibration procedure tell me
Give an example where you had aproblem on the job, and tell me how you solved the problem. and the finalvoutcome.
What is offset in a control system.
I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.
Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?
What are the types of control valves available
please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?