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  1. Reticular

    Single Mechanical seal in place of double seal for a VS1 Type Pump

    Thank you 1gibson... Your responses have been quite helpful and professional. The pumps are at the bid stages and PO is about to be issued, just some technical clarifications from the vendors. As per the fluid, the pumps are expected to drain from a closed drain vessel to a drain header. The...
  2. Reticular

    Single Mechanical seal in place of double seal for a VS1 Type Pump

    @1gibson, thanks for your insightful response. I just got a response from the vendor that the cost savings is appreciable and I think with regards to functionality, the single seal should be ok. You are right, it pumps from an open pit. However, some pumps are also specified and are expected to...
  3. Reticular

    Single Mechanical seal in place of double seal for a VS1 Type Pump

    Just a quick question. Can single Mechanical seal be acceptable from a vendor over a double mechanical seal in pumps for a vertically suspended pump type, VS1. What are the implications in terms of cost savings and functionality.

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