PG 72 Wet Seal Systems | John Crane Seal Support Systems
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PG 72

Gas Panels

A PG 72 (API Plan 72) system is used to provide a clean, regulated gas supply to a dual unpressurized seal arrangement where the containment seal is dry running. A low-pressure gas, typically nitrogen, is introduced in the area between the inner and outer seal to sweep primary seal leakage away from the containment seal, thus preventing fugitive emissions from escaping to the atmosphere.


  • California Residents: PROPOSITION 65 WARNING
  • Typically used in conjunction with PD 75 and PD 76 leakage detection systems to supply low-pressure buffer gas (typically nitrogen)
  • Prevents icing on cold applications and provides some cooling to the outer seal


Matériaux standard

Panneau : Acier inoxydable 304

Tuyauterie : Acier inoxydable 316/L

Applications recommandées

  • Pompes de traitement
Fonctionne avec
PD 75 PD 75
PD 76 PD 76
Type 48SC Type 48SC

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