What is plan 11 and plan 32 in Mechanical seal ?

Question

Accepted Answer

Plan 11 and Plan 32 are cooling plans used in mechanical seals to prevent overheating.

Plan 11 involves circulating cool water through the seal chamber and discharging it to a drain or cooling tower.
Plan 32 involves circulating cool water through the seal chamber and then through a heat exchanger before discharging it.
Plan 11 is used for low-pressure applications while Plan 32 is used for high-pressure applications.
Both plans are used to prevent overheating and prolong the life of the mechanical seal.

Accepted Answer

Plan 11 is the default flush plan for most pumps And plan 32 is a piping arrangement  containing  strainers  pressure  control valve flow meter pressure gauge  temperature gauge  check valve  alin with pipe fittings .

Accepted Answer

Seal plan 11- the service fluid itself acts as a barrier fluid, the flow is controlled vide an orifice. Most commonly used basic seal plan for clean services and water pumps. Seal plan 32- external fluid is used as the barrier fluid with continuous flow vide a strainer. Used in services like high temprature(pyrophoric) and slurry services.

Accepted Answer

Plan 11 Product recirculation from pump discharge to seal through flow control orifice. Plan 32 Injection of clean or cool liquid from external source into the seal chamber.

What is plan 11 and plan 32 in Mechanical seal ?

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