GEMÜ R481 Victoria

Pneumatically operated butterfly valve

  • Description
  • Features
  • Technical specifications

The GEMÜ R481 Victoria soft seated metal butterfly valve has a metal actuator and is pneumatically operated. Normally Closed, Normally Open and Double Acting control functions are available. Various pneumatic actuators 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, lug and U section body versions.

  • Low torques thanks to PTFE coated bushes
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
  • Liner material is easy to read when installed
  • Sleek disc design for higher Kv values
  • Robust body coating comparable to ISO 12944-6 C5
  • Various actuator types can be selected
  • Optional accessories are installed, set and tested so they are ready for operation
  • Media temperature:-10 to 160 °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:ANSI | AS | BS | DIN | EN | ISO | JIS
  • Body materials:EN-GJS-400-15, SG iron material | EN-GJS-400-18-LT, SG iron material
  • Body coating:Epoxy
  • Liner materials:EPDM | FKM | NBR | SBR, abrasion resistant | Silicone
  • Disc materials:1.4408, investment casting material | 1.4408, polished investment casting material | 1.4469, Duplex cast steel material | EN-GJS-400-15, SG iron material
  • Disc coating:Epoxy | Halar® | Rilsan®
  • Conformities:ACS | ASME GEMÜ B31.3 | ATEX | Belgaqua | DNV GL | DVGW Drinking water | DVGW Gas | EAC | FDA | Functional safety | NSF | Oxygen | Regulation (EC) No. 1935/2004 | TA Luft (German Clean Air Act) | WRAS

Product video

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00:56 min
Online since 20.12.2023
GEMÜ butterfl y valves at the Trollmühle Waterworks - Uranium removal and partial deionization using Uranex® and Carix® procedures

Product applications

GEMÜ butterfl y valves at the Trollmühle Waterworks - Uranium removal and partial deionization using Uranex® and Carix® procedures

Currently, the waterworks at the Trollmühle water supply authority in Windesheim near Bingen am Rhein supply approximately 43,000 people in 14,000 households with 2.2 million m³ drinking water per year. At peak times, this means a daily dispensing volume of up to 8500 m³. On the one hand, Krüger WABAG / VWS Deutschland GmbH implemented the URANEX® system, which is used to minimise the water‘s geologically caused uranium content by means of ion exchange. On the other hand, partial deionization by ion exchange is achieved using the CARIX® procedure.

Product news


GEMÜ announces its latest generation of soft seated butterfly valves

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