GEMÜ 554 25D 137 51 1 ManufacturerGEMÜOrder number554 25D 137 51 1 Send inquiry Schrägsitzventil, pneumatisch betätigt, DN 25, 1.4408, PTFE, NC Other spellings: 55425D137511 Manufacturer information without guarantee. Trademarks and product names are the property of their respective manufacturers. IDA Kontakt GmbH is an independent distributor and sourcing partner.