This website uses cookies.

On our web pages and in our online shop, we use strictly necessary cookies and cookies that are needed to process your queries. We also use tracking cookies, which help us to optimize our online presence and offer you a better browsing experience as a result. ...

You can find further information in our Data Protection Statement. Data protection statement

Functional cookies

These cookies are strictly necessary to enable you to use all the functions and features of GEMÜ web pages. Consequently, they are enabled by default and cannot be disabled. If you wish to avoid these cookies, you can do so by changing the settings in your browser.

Web analysis cookies

Here you can decide whether you want to allow a unique web analysis cookie to be stored in your browser that will enable the website operator to record and analyse various statistical data. If you do not want to allow this, click on the following link to store the Piwik opt-out cookie in your browser.

Unfortunately, GEMÜ is currently unable to store settings for multiple browsers or about multiple user accounts. It is also possible that, irrespective of the security settings you have set in your browser, the cookies set by GEMÜ will be deleted when you close the browser and will therefore no longer be available in your next session. If you close or change your browser, or if you use more than one PC, you may have to make some of the changes again.

GEMÜ 480 Victoria

Butterfly valve with bare shaft

  • Description
  • Features
  • Technical specifications

The GEMÜ 480 soft seated Victoria butterfly valve has a bare shaft with a top flange, in accordance with EN ISO 5211. 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) available in wafer, lug and U section body versions.

  • Low torques thanks to special disc contour
  • Improved sealing
  • Extensive applications using a variety of materials
  • Robust body coating in accordance with ISO 12944-6 C5-M
  • Min. 250 μm layer thickness body coating
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
  • Connection: Flange (U section); Flange (lug); Flange (wafer)
  • Actuator: With bare shaft
  • Seal material
  • Body material: EN-GJS-400-15, SG iron material
  • Conformities: ACS; ATEX; Belgaqua; DNV GL; DVGW Drinking water; EAC; FDA; WRAS
  • Max. operating pressure: 16 bar
  • Max. media temperature: 150 ° C
  • Min. media temperature: -10 ° C
  • Nominal sizes: DN 25 (1''); DN 40 (1 1/2''); DN 50 (2''); DN 65 (2 1/2''); DN 80 (3''); DN 100 (4''); DN 125 (5''); DN 150 (6''); DN 200; DN 250; DN 300; DN 350; DN 400; DN 450; DN 500; DN 600

Product video

How butterfly valves work

00:38 min
967 Views
Online since 16.09.2015
Sea Water Desalination by Reverse Osmosis (RO)

Product applications

Sea Water Desalination by Reverse Osmosis (RO)

Singapore began tackling their drinking water supply problem a few years ago. The first large sea water desalination system “TUAS Desalination“ was designed and built by Hyflux Ltd. The system operates according to the reverse osmosis principle and produces more than 136,000 m³ of drinking water per day. This amount is enough to fill about 55 Olympic size swimming pools.

Product news

08.10.2018

Cast off for the GEMÜ 480 Victoria butterfly valve

The new DNV-GL certificate...