The Following are the Seal Selection Parameters:
• Media
• Specific Gravity
– Balanced Seal > 10 Kg
– Unbalanced Seal < 10 Kg
• Viscosity at Pumping
Temp
• Boiling Point and Freezing
Point
• State of Media
– Clear / Dirty
– Abrassive or Non Abbrasive
– % of slurry (2-3%: Single
Spring; Upto 10%: Bellows, >10%: back to back or single seal with plan 32)
– Size of particles
– Toxicity
– Hazardous
– Crystallizing (NaOH, CO3,
Sea Water)
– Any other chemical property
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