Hi,
i Would like to know there any thumb rule or guide line by which we can define the selection of actuator type which is most economical on perceptive of EPC. Up to what condition initial cost of pneumatic valves ate cheaper than electric ?. Up to which pressure class pneumatic actuator are...
Hi, we need to calculate the pipe noise insulation for water and steam pipe lines in power plant. We have sound limit of 75 decibel for all equipment's like valves ,pumps etc. If we go with ISO code 15665-2003, we have noise class A, B, C. where we get insulation of 50 mm or 100 mm for pipe...
