The GEMÜ 481 Victoria soft seated butterfly valve has a metal actuator and is pneumatically operated. The "Normally Closed", "Normally Open" and "Double Acting" control functions are available. The butterfly valve is available in nominal sizes DN 25 to 600 and in standard installation lengths ISO 5752/20 | EN 558-1/20 | API 609 category A (DIN 3202 K1) in wafer and lug body versions.
- Low torques thanks to special disc contour
- Improved sealing
- Extensive applications using a variety of materials
- Robust body coating comparable to ISO 12944-6 C5
- Fast operating times
- Optional accessories are installed, set and tested so they are ready for operation
- Min. 250 μm layer thickness body coating
- Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
- Media temperature:-10 to 150 °C
- Ambient temperature:-10 to 70 °C
- Operating pressure :0 to 16 bar
- Nominal sizes:DN 25 to 600
- Body configurations:Lug | U section | Wafer
- Connection standards:AS | ASME | BS | DIN | EN | ISO | JIS
- Body materials:EN-GJS-400-15, SG iron material
- Body coating:Epoxy
- Liner materials:EPDM | FKM | NBR | SBR, abrasion resistant
- Disc materials:1.4408, investment casting material | 1.4408, polished investment casting material | EN-GJS-400-15, SG iron material
- Disc coating:EPDM | Epoxy | Halar® | Rilsan®
- Conformities:ACS | ATEX | Belgaqua | DNV GL | DVGW Drinking water | DVGW Gas | EAC | FDA | WRAS
Fitting Accessories
Product video
Videotutorial: Modifying to an pneumatic NO NC actuator
03:32 min
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Online since 03.11.2021
![GEMÜ butterfl y valves at the Trollmühle Waterworks - Uranium removal and partial deionization using Uranex® and Carix® procedures GEMÜ butterfl y valves at the Trollmühle Waterworks - Uranium removal and partial deionization using Uranex® and Carix® procedures](gemu-cdn2/anwendungsfaelle/bilder/53/2_Krueger_Wabag_Trollmuehle_2011_2018(Quelle).jpg)
Product applications
Product news
08.10.2018