Products

API Plan 71

Plan 71

Tapped connections for the purchaser’s use e.g., for future use of buffer gas.

A  Connection plugged

Seal chamber details

1  Flush (F)
2  Containment seal vent (CSV), plugged
3  Containment seal drain (CSD), plugged
4  Gas buffer inlet (GBI), plugged
5  Seal chamber


Example seal: EagleBurgmann LL9DTUE dual pusher mechanical seal.

P&ID according to API

Key

2  Containment seal vent (CSV), plugged
3  Containment seal drain (CSD), plugged
4  Gas buffer inlet (GBI), plugged

Features

  • When a gas buffer is to be provided, the GBI port can be converted to Plan 72.
  • The CSV connection is piped to connect to vent when converted to Plan 76.
  • The CSD connection is piped to collect condensate when converted to Plan 75.

Application

  • May be used for flashing as well as non-flashing services.
  • For contacting or non-contacting containment seals where provision for future use of Plans 72, 75 or 76 is desired.

 

 

Remarks, checkpoints

  • Ensure that the ports are plugged with metallic plugs when a Plan 72, 75 or 76 is not connected.
  • Ensure that the CSV port is oriented to the 12 o'clock position and CSD to the 6 o'clock position.

 

 

Pump media characteristics

  • Hazardous / environmentally harmful
  • High vapor pressure fluids
  • Clean non-polymerizing fluids
  • Fluids condensing or vaporizing at ambient temperatures.

Location, function

  • Between seals

Configurations

2CW-CS, 2NC-CS

 

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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.

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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.

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