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  DIAPHRAGMS production line

To produce synthetic diaphragms SMI developed a production line based on an internal exclusive system to mould the diaphragms. In 1990 SMI obtained from "The Chamber of Commerce of Industry, Agricolture and Craftsmanship".

The raw material used, another secret of SMI production, is a synthetic rubber coated fabric. On request in addition to the diaphragms also the rubber gasket can be vulcanised within the diaphragms.

Worldwide presses 32
Production Range
10 mm - 900 mm
Moulding compound consumption
250.000 sqm/anno


SMI elastomer production line is able to mould articles for several different applications, as for example: gas regulators and gas meters, oils, hydrocarbons, and more in general pumps. SMI strength is to be able to produce large quantities maintaining high quality standards.

SMI offers a complete service, always developing new rubber coated fabric, moulding and punching holes following the requested parameters, being able to answer with the most advanced techniques to the special technical requirements of SMI Clients.

SMI elastomer production line is continuously monitored from SMI Quality Control Department using the most advanced technology. In order to complete SMI services a Technical Sheet is given to each Client explaining the characteristics and the quality of the article in relation to the technical characteristics reported in the drawing.

Please do not hesitate to contact us in order to ask questions and request an offer.

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