The GEMÜ R90 is a metal disco check valve with flange connection and standardized length to DIN EN 558. The valve body, disc and seal are available in various materials. In the version with metallic seal, the GEMÜ R90 valve can be used at high temperatures up to 400 °C.
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- Suitable for low and high temperatures
- Standardized length to DIN EN 558, series 49
- Available as option free of oil and grease
- A special disc guide prevents the disc from tilting and the occurrence of strong flutter
- Bubble tight sealing in accordance with EN 12266-1/P12, leakage rate A and G
- Media temperature :-196 to 400 °C
- Operating pressure :0 to 40 bar
- Nominal sizes:DN 15 to 300
- Connection types:Flange
- Connection standards:ANSI | ASME | EN
- Body materials:1.0619, galvanized cast steel material | 1.4408, investment casting material
- Seal materials:EPDM | FKM | NBR | PTFE
- Disc/spring cross materials:1.4408, investment casting material | 1.4469, duplex cast steel material
- Spring materials:1.4571, spring steel | 2.4610
- Conformities:ATEX | DVGW Drinking water | EAC | FDA | KTW