EagleBurgmann international
EagleBurgmann WORLDWIDE
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Products
API Plan 75
API Plan 75
A containment seal chamber leakage collection system for condensing or mixed phase leakage on arrangement 2 unpressurized seals with containment seals.
A From mechanical seal
B To vapor collection system
C Drain
Seal chamber details
4 Flush (F)
5 Containment seal vent (CSV), plugged
6 Containment seal drain (CSD)
7 Gas buffer inlet (GBI), plugged unless used with a Plan 72
8 Seal chamber
Example seal: EagleBurgmann H75A4-C dual pusher mechanical seal.
P&ID according to API
Key
1 To vapor collection system
2 To liquid collection system
3 Test connection (if specified)
5 Containment seal vent (CSV), plugged
6 Containment seal drain (CSD)
7 Gas buffer inlet (GBI), plugged unless used with a Plan 72
LI Level indicator
LIT Level transmitter with local indicator
PIT Pressure transmitter with local indicator
* If specified
Features
- This plan can be used with buffer gas (Plan 72) or without buffer gas (Plan 71).
- Avoids direct leakage of pumped media to the atmosphere.
- Liquid leakage is collected in the leakage collector and vapors pass to the collection system.
- Excessive leakage and the use of an orifice in the outlet line of the collector together leads to a pressure build-up in the collector and triggers a pressure alarm at 0.7 bar (10 PSI) with the help of a pressure transmitter.
Application
- For condensing media.
- For configurations utilizing an outboard containment seal – contacting or non-contacting type.
- Generally used in combination with a Plan 72 nitrogen purge.
Remarks, checkpoints
- Set the pressure transmitter alarm to a pressure of 0.7 bar (10 PSI) so as to trigger an alarm when the pressure in the leakage collector increases. This indicates inboard seal leakage.
- Ensure that the vent line is always open and an orifice is present to generate back pressure.
- Always mount the leakage collection system below the pump centerline.
- Use sloping lines from the CSD port to the leakage collector.
- Use the level gauge to ascertain if the leakage collector needs to be drained.
Pump media characteristics
- Hazardous / environmentally harmful (generally in combination with additional API plan).
- Clean non-polymerizing fluids
- Fluids condensing at ambient temperatures.
Location, function
- Between seals
- Leakage alarm and collection
Configurations
2CW-CS
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The Eagleburgmann Group
Sealing technology for plants and machines
EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.
Mechanical seals and more
Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.
What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.