Danfoss / Sondex Gaskets

Sondex S20A Replacement Plate Heat Exchanger Gasket

Replacement gasket for Sondex S20A plate heat exchangers, available in NBR, EPDM and FKM with Hang-on attachment for maintenance and regasketing.

Custom sizes, materials and profiles available
Reliable sealing performance under demanding conditions
Export-ready packing and documents

Parameter	Specification
Product Name	Sondex S20A Plate Heat Exchanger Gasket
Compatible Brand	Sondex / Danfoss
Compatible Model	S20A
Product Type	Replacement Plate Heat Exchanger Gasket
Gasket Material	NBR / EPDM / FKM
Fixing Type	Hang-on
Corrugation Angle	55° / 125°
Channel Depth	2.6 mm
Port Diameter	Ø60 mm
Port Center Distance	894 × 126 mm (Vertical × Horizontal)
Plate Dimensions	998 × 230 mm
Effective Plate Area	0.20 m²
Gasket Profile	Replacement Profile
Country of Origin	China
MOQ	Flexible — Trial Orders and Bulk Orders Supported

The Sondex S20A replacement plate heat exchanger gasket is designed for maintenance, repair and plate-pack regasketing of Sondex S20A plate heat exchangers. Its Hang-on attachment system allows the gasket to be installed mechanically on the plate without adhesive, helping simplify gasket replacement and routine maintenance.

CORA SEALS supplies S20A replacement gaskets in NBR, EPDM and FKM compounds for industrial heat exchanger servicing, spare-parts distribution and equipment maintenance.

Compatibility and Identification

The S20A plate has a nominal size of 998 × 230 mm, a port diameter of Ø60 mm and vertical × horizontal port center distances of 894 × 126 mm.

S20 and S20A plates may differ in plate width, port diameter and gasket attachment configuration. The exact plate model, gasket groove and existing attachment system should therefore be checked before ordering.

For compatibility confirmation, customers can provide the equipment nameplate, plate code, gasket photographs, technical drawing or an existing sample.

Gasket Materials

NBR

Suitable for many mineral-oil, lubricant and general industrial applications, subject to operating temperature and media compatibility.

EPDM

Commonly selected for water, hot-water and compatible chemical applications where resistance to weathering and ozone is required.

FKM

Suitable for selected higher-temperature, oil, fuel and chemical applications, depending on the actual compound and operating medium.

Final material selection should be based on the process fluid, operating temperature, cleaning chemicals and original gasket specification.

Maintenance and Supply

S20A replacement gaskets can be supplied for individual maintenance requirements or complete plate-pack regasketing projects.

For quotation, please provide the required quantity, preferred gasket material and available identification information. Plate photographs and an existing gasket sample can help confirm the correct configuration before production.

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