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Seal Supply Systems

Product Description

Heat exchangers of the HED range are used to cool process/barrier fluids in seal supply circuits. Designed as a tubular heat exchanger with integrated guide plates, the process/barrier medium is directed through the shell of the HED and the cooling medium through the tubes.

Circulation in accordance with API 682 / ISO 21 049: Plan 21, Plan 22, Plan 23, Plan 41


Item No. Description
N2 Cooling water OUT
N1 Cooling water IN
N4 Process/barrier medium OUT
N3 Process/barrier medium IN
N7/N8 Process/barrier circuit vent
N5 Cooling circuit vent
N6 Cooling water drain

Technical Features

  • It can be installed either in vertical or
    horizontal position
  • The heat exchanger can be dismantled: easy
    to clean
  • Tubular heat exchanger design with
    integrated guide plates, extremely efficient
    cooling capacity yet very compact dimensions
  • Universal usage: parts in contact with the
    medium are made of stainless steel

Typical Industrial Applications

  • Chemical industry
  • Oil and gas industry
  • Petrochemical industry
  • Power plant technology
  • Refining technology


Cooling water side: the area around the tubes can be cleaned mechanically after the housing is removed.
Process/barrier medium side: flush with a suitable


PED 97/23 EC (Design and production in accordance with EU Pressure Equipment Directive)

ASME VIII, Div. 1 (Design, calculation and production)


Standard Cartridge Seals

Mechanical Seals As Per API 682

Split Seals

Engineered Seals For Demanding Applications

Standard Mechanical Seals For Pumps & Compressors

Mechanical Seals For Agitators, Mixers, Kneaders & Reactors

Supply Systems & Components

API 682 / ISO 21049

Technical Information