PedroBC
Mechanical
- Nov 26, 2012
- 7
Hi,
posting here, because seal area seems dead =/
I have a centrifugal pump with the following data:
Process Fluid: Water with small percentage of ethanol (the process fluid is then considered flammable fluid)
Flow: 1.5 m³/h
Suc. Pressure: 0.65 kgf/cm²g
Disch. Pressure: 4.89 kgf/cm²g
Temperature: 50°C
Vapor Pressure: 1.38 kgf/cm²a
Visc.: 0.642 cP
Seal Plan selected: 53B ( plus 61?)
Barrier Fluid: Demin. Water (clean fluid)
My doubt is: It is really necessary a auxiliary seal plan 61 (tapped connections (quench and drain) at atmospheric side of outer seal)?
Since the Process Fluid and Barrier Fluid are clean fluids, Seal PLan 61 will have any future use by Customer in this application??
In my uderstanding, since barrier fluid is demin. water with pressure greater than process fluid, indirectly it is doing both seal plan jobs.
Am I correct?
Regards.
PBC
posting here, because seal area seems dead =/
I have a centrifugal pump with the following data:
Process Fluid: Water with small percentage of ethanol (the process fluid is then considered flammable fluid)
Flow: 1.5 m³/h
Suc. Pressure: 0.65 kgf/cm²g
Disch. Pressure: 4.89 kgf/cm²g
Temperature: 50°C
Vapor Pressure: 1.38 kgf/cm²a
Visc.: 0.642 cP
Seal Plan selected: 53B ( plus 61?)
Barrier Fluid: Demin. Water (clean fluid)
My doubt is: It is really necessary a auxiliary seal plan 61 (tapped connections (quench and drain) at atmospheric side of outer seal)?
Since the Process Fluid and Barrier Fluid are clean fluids, Seal PLan 61 will have any future use by Customer in this application??
In my uderstanding, since barrier fluid is demin. water with pressure greater than process fluid, indirectly it is doing both seal plan jobs.
Am I correct?
Regards.
PBC
