GR3 and 3C Wet Seal Systems | John Crane Seal Support Systems
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Reservoirs for Chemical, Petrochemical, Pharmaceutical and General Industries

Stainless steel pressure vessels (with or without internal cooling coil) designed for general industry applications. These reservoirs provide buffer/barrier fluid to a dual-seal arrangement.

Recherche de documents


  • California Residents: PROPOSITION 65 WARNING
  • Stainless steel or carbon steel pressure reservoir with flat heads — without internal cooling coil (GR-3), with internal cooling coil (GR-3C)
  • Can be configured with nitrogen isolation valve (for pressurized seals) or orifice union (for unpressurized seals)
  • Compatible with variable barrier/buffer fluid types
  • Available with a comprehensive range of standard options
  • Electrical instruments suitable for Eexi circuits or Eexd (ATEX)and Explosion Proof (UL/CSA)
  • CE mark in accordance with Pressure Equipment Directive (PED) 97/23/CE provided to countries within the European Community
  • Welding in accordance with ASME VIII (welders qualified to ASME IX)


Matériaux standard

Réservoir : Acier au carbone ou acier inoxydable 316/L

Indicateur de niveau : Couvercle en acier au carbone, pièces en contact avec le fluide en acier au carbone ou en acier inoxydable 316/L, selon le matériau du réservoir

Tube et raccords : Acier inoxydable 316/L

Serpentin de refroidissement (GR-3C uniquement) : Acier inoxydable 316/L

Limites de pression

Agitateur en acier inoxydable : 1 055 psi(g)/73 bar(g)

Agitateur en acier au carbone : 902 psi(g)/62 bar(g)


3 gallons américains/11,3 litres

5 gallons américains/18,9 litres

Applications recommandées

  • Pompes de traitement
  • Autres équipements rotatifs
Produits similaires
GR1/1C GR1/1C
GR2/2C GR2/2C

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