Foil safety valves from PIER-Armaturen GmbH are used in nuclear power plants, petrochemical plants, chemical plants and pharmaceutical plants to safeguard process reliability.

The product line comprises of delivery of original spare parts for Topseal- and Foil-Safety Valves (ERFOL). The manufacturing, testing and control of these spare parts follows customized standards regarding the choice of materials, testing certificates and approval.

The foil – fixed between valve seat/cone and valve guide/plunger – optionally from plumb, aluminium, PTFE, silver or gold – provides for absolute technical tightness. The foils are made-up according to customers’ requirements and are not subject of acceptance.