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

 

API 682 4th Edition

Contact us

Follow the direct link to your API 682 4th ed. contact

Show locations

API piping plan tool

Download the free EagleBurgmann API piping plan tool and benefit from useful and practical information

PDF download - 4.0 MB
Newsletter

Excellence in Practice

With our free e-mail newsletter „Excellence in Practice“, you will receive first-hand information about current products, services, references and worthwhile industry insights.