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GPX Gasketed Plate Heat Exchangers

Features

  • High efficiency in a compact footprint

  • Chevron-pattern plates for excellent turbulence and heat transfer

  • True countercurrent flow design

  • Double gaskets to guard against cross-leakage

  • Wide choice of plate materials: SS304, SS316, titanium, Hastelloy, etc.

  • Configurable types: standard gasketed, semi-welded, double-wall, or free-flow models

GPX units are well suited for many HVAC, industrial, and process uses. Typical applications include:

  • Waterside economisers

  • District heating / cooling

  • Thermal storage systems

  • Heat pumps & refrigeration

  • Heat recovery in commercial and industrial processes

Technical Information.

  • Plate Design & Flow

    • Chevron-style plate geometry ensures high turbulence and better heat transfer coefficients 

    • True countercurrent flow maximises driving temperature difference between the two fluids 

    • Compared to shell & tube designs, GPX units often require only ⅓ to ⅕ the surface area for the same duty

  • Gasket & Leak Protection

    • Each plate uses a double gasket (dual ring structure) such that any gasket failure is vented to atmosphere rather than allowing fluid crossover 

    • For critical services, double-wall units are available: two plates per channel with an intermediate air gap. A leak in one plate vents to atmosphere, preventing mixing of media

Construction & Materials.

  • Plate materials: 304, 316 stainless steel, titanium, Hastelloy, Incolloy, etc. 

  • Gasket materials: elastomers (e.g. nitrile, EPDM) or advanced materials depending on service.

Performance Range.

  • Flow capacity ranges from ~10 GPM up to ~10,500 GPM, depending on model and configuration

Maintenance & Serviceability.

  • Modular design: plate pack can be opened, inspected and cleaned

  • Gaskets replaceable in the field

  • Options for cleaning in place (CIP), back-flushing, or manual cleaning

Benefits.

The GPX Gasketed Plate & Frame Heat Exchangers deliver high thermal performance while requiring a smaller surface area, making them compact and space‑saving. They offer exceptional flexibility, accommodating a wide range of fluids, temperatures, and pressures. Enhanced safety features, including double gaskets and optional double‑wall construction, provide reliable leak protection, while the modular design ensures ease of maintenance, inspection, and future expansion.

Frequently Asked Questions

What does “double gasket” mean, and why is it important?

Each plate uses a two-ring gasket structure. The inner ring seals fluid in the plate channel, the outer ring creates a vented leak path to atmosphere. If a gasket fails, leakage is directed out rather than allowing fluid crossover — protecting system integrity.

Use double-wall construction when the fluids are incompatible (e.g. potable water on one side) or when even minimal leakage is unacceptable. A leak in one plate vents to atmosphere rather than contaminating the other side.

Yes, the free-flow variant has fewer metal contact points between plates, making it more tolerant of particulates (up to ~6 mm) and reducing clogging risk.