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Reservoirs for Chemical, 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.

Document Finder


  • California Residents: PROPOSITION 65 WARNING
  • 316/L stainless steel pressure reservoir without internal cooling coil (GR-2) or with internal cooling coil (GR-2C)
  • 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)


Standard Materials

Reservoir: 316/L Stainless Steel

Level gauge: Weld pad, Carbon Steel cover, Stainless Steel wetted parts

Tube and fittings: 316/L Stainless Steel

Cooling coil: 316/L Stainless Steel (GR-2C only)

Pressure Limits

435 psi(g)/30 bar(g)


2 US gallons/7.7 liters

Recommended Applications

  • Process pumps
  • Other rotating equipment
Works With
Type 5620/5620P Type 5620/5620P
Type 4620P Type 4620P
Similar Products
GR1/1C GR1/1C
GR3/3C GR3/3C

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