The GEMÜ R91 is a metal dual plate check valve with flange connection and standardized length to DIN EN 558-1. The valve body, plates and seals are available in various materials. In the version with metallic seal, the GEMÜ R91 valve can be used at high temperatures up to 300 °C.
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- Suitable for low and high temperatures
- Standardized length to DIN EN 558-1, series 16
- Available as option free of oil and grease
- Bubble tight sealing in accordance with EN 12266-1/P12, leakage rate A and G
- Media temperature :-200 to 300 °C
- Operating pressure :0 to 16 bar
- Nominal sizes:DN 50 to 600
- Connection types:Flange
- Connection standards:ANSI | ASME | EN
- Body materials:1.0619, galvanized cast steel material | 1.4408, investment casting material | EN-GJS-400-15
- Seal materials:EPDM | FKM | NBR
- Spring materials:1.4571, spring steel
- Conformities:EAC | WRAS
- Plate material:1.4408, investment casting material | 1.4469, duplex cast steel material | EN-GJS-400-15, SG iron material