Mass transit industry - Accordion Diaphragm

Accordion diaphragm

Pro-Flex Rubber, together with the Centre de Recherche Industrielle du Québec (CRIC) industrial research centre, has tested its diaphragms in climate-controlled chambers. Our field-tested, high-performance diaphragms meet our clients’ requirements. Accordion diaphragms are hand-assembled and sewn with a special Kevlar thread.

1 Corners are compression moulded prior to assembly.

2 Bellows are assembled side by side to create the diaphragm.

3 Car sills are made-to-measure to ensure passenger safety between railway cars.

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ONE-PIECE Accordion diaphragm

This type of diaphragm is used on certain models of light urban trains manufactured by Siemens in Sacramento, California. The ONE-PIECE Accordion diaphragm, seamless membrane is moulded on our 96-inch press.

View our other specialized public transit products

Face-Plate Diaphragm

Tubular Diaphragm

Connectors, rubber insulations and rubber seals

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