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API Plan 03

API Plan 03

Circulation between the seal chamber and the pump created by the design of the seal chamber. Flush connections plugged.

A  Taper bore design of seal chamber
B  Flush connection plugged

Seal chamber details

1  Flush (F), plugged (for possible future circulating fluid or for venting on vertical pumps)
2  Quench (Q)
3  Drain (D)
4  Seal chamber


Example seal: EagleBurgmann APItex-S single pusher mechanical seal.

P&ID according to API

Key

1  Flush (F), plugged (for possible future circulating fluid or for venting on vertical pumps).

 

Features

  • Does not need any external piping.
  • Cooling of the mechanical seal and venting of the seal chamber is a function of the geometry or flow enhancement features of the seal chamber.

 

 

Application

  • Pumps with taper bore seal chamber and without throat bushing.
  • Applications where mechanical seal heat generation is not very significant.
  • Applications where solids may tend to collect in a traditional cylindrical bore seal chamber.
  • Generally used for ANSI pumps – with Category 1 seals.

Remarks, checkpoints

  • Not to be used with cylindrical bore seal chambers.
  • Exercise caution for applications involving high seal chamber temperatures as well as pressures.

 

 

 

Pump media characteristics

  • Suspended solids
  • Low temperature and pressure

Location, function

  • Process side
  • Lubrication

Configurations

1CW-FL, 1CW-FX, 2CW-CW, 2CW-CS, 2NC-CS, 3CW-FB, 3CW-BB, 3CW-FF, 3NC-FB, 3NC-BB, 3NC-FF

 

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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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