EagleBurgmann international
EagleBurgmann WORLDWIDE
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Products
API Plan 01
API Plan 01
Integral (internal) recirculation from the pump discharge to the seal chamber.
A Internal circulation
Seal chamber details
1 Inlet
2 Flush (F), plugged (for possible future circulating fluid or for venting on vertical pumps)
3 Quench (Q)
4 Drain (D)
5 Seal chamber
Example seal: EagleBurgmann APItex-S single pusher mechanical seal.
P&ID according to API
Features
- Plan 01 does not need any external piping.
- Acts as an internal flushing line for the mechanical seal.
- Prevents highly viscous fluids from freezing/polymerizing at lower temperatures because the flushing line is not exposed to the atmosphere like in Plan 11.
Application
- Generally used for horizontal pumps.
- Highly viscous fluids which tend to thicken, solidify or polymerize.
- More applicable to ANSI pumps.
Remarks, checkpoints
- The flow of the flush fluid must be sufficient to remove the heat from the mechanical seal chamber.
- Unlike in Plan 11, the flush is seldom directed over the seal faces.
- Not recommended for dirty products as they will tend to clog the flushing line.
- Not applicable for vertical pumps.
Pump media characteristics
- Highly viscous media with a tendency to congeal or polymerize when cooled.
Location, function
- Process side
- Flushing and cooling
Configurations
1CW-FX, 2CW-CW, 3CW-FB
1CW-FL*, 2CW-CS*, 3CW-BB*, 3CW-FF*, 3NC-FB*, 3NC-BB*, 3NC-FF*
* Remark: The configurations listed for each individual piping plan are to be understood as recommendations including possible utilizations which may also be applied.
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