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Examples of SCHELL products in use

Our innovative and sustainable products are used in many different kinds of buildings, where they help to maintain drinking water hygiene while working to protect user health.

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Al Adan Hospital, Kuwait

Contactless WC flushing systems from Schell in a hospital megaproject This ultramodern, triple‑complex expansion to the Al Adan Hospital in Kuwait City involves a...

Evo Fitness Bel & Main, Vienna

Hygienic usage and modern design: electronic SCHELL fittings in a boutique fitness centre Situated in the heart of Vienna’s new Sonnwendviertel district, the newly...

Lehmgruben House Senior Centre – Diakonie Rummelsberg

Lehmgruben House Senior Centre – Diakonie Rummelsberg SCHELL sanitary equipment provides anti-scalding protection and helps to maintain drinking water hygiene...

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SCHELL’s blog on the world of water

Read our blog to learn all about the topic of drinking water hygiene, find out more about our SCHELL products, and discover some fascinating facts and useful information related to the world of water.

Saving water and reducing energy costs with low-contact and contactless fittings from SCHELL

Anyone looking to save water and cut energy costs should not only think about heating but also fittings that can reduce water consumption. In particular, reducing...

Saving with a flick of the wrist: all possible with SCHELL’s regulating angle valves

An optimally adjusted angle valve can reduce water consumption by up to 40 percent without any loss of convenience for users.

World Health Day 2024 – My health, my right.

World Health Day was launched by the World Health Organisation (WHO) almost 80 years ago. Every year, the event is dedicated to a specific topic. This year, the...

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Article number: 28 504 06 99

Backflow preventer DN20

Flow form

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Delivery data

Weight: 0,10 kg/Piece
Packing unit: 1

Technical data

Material: Brass, conform to German drinking water regulations
Surface: Chrome
Connection: DN 20 G 3/4 IG
Outlet: DN 20 G 3/4 AG
Safety device, conforms to EN 1717: EB

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