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DVGW – Pump Industry https://pumpindustry.com Pump Industry and Directory portal Wed, 26 Jul 2023 09:24:38 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://pumpindustry.com/wp-content/uploads/2019/08/cropped-Pump-Industry-logo-e1688102035267-32x32.jpg DVGW – Pump Industry https://pumpindustry.com 32 32 New Approvals for Butterfly Valves GEMÜ R480 https://pumpindustry.com/new-approvals-for-butterfly-valves-gemu-r480-24-july-2023/ https://pumpindustry.com/new-approvals-for-butterfly-valves-gemu-r480-24-july-2023/#respond Wed, 26 Jul 2023 06:25:10 +0000 http://pumpindustry.com/new-approvals-for-butterfly-valves-gemu-r480/
The GEMÜ R480, R481, R487 and R488 butterfly valves now have an NSF/ANSI/CAN 61 certification and a DVGW (German Technical and Scientific Association for Gas and Water) certification. Both approvals certify that the products from the Ingelfingen-based valve specialist GEMÜ are suitable for use in drinking water applications.
For GEMÜ R480, R481, R487 and R488 Victoria butterfly valves for drinking water applications, it is possible to select between the American NSF approval with the special function “N” and the European DVGW approval with the special function “D”.

The NSF/ANSI/CAN 61 certification is also valid for all products that can be supplied with liner code W in combination with stainless steel disc code A, B and D.

The DVGW certification is valid for all products with liner code W in combination with stainless steel disc code A, B and D and special function “D”.

The composition of the seal in the GEMÜ 480 and GEMÜ R480 has been tested in accordance with the old Elastomer Guideline and the new KTW-BWGL standard. Following the publishing of the third change to the KTW-BWGL in March 2022, a transitional period is in place lasting until March 2025. After this point, the old Elastomer Guideline will be withdrawn.

With the GEMÜ R480 Victoria series, GEMÜ is able to provide its customers with security when planning future projects that will last beyond the specified transitional period and can supply suitable butterfly valves in the long-term.

Source: GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG

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