BS EN 16767:2020 pdf download

06-14-2020 comment

BS EN 16767:2020,Industrial valves – Metallic check valves.
For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document.The main changes are the following:
–inclusion of copper alloy check valves (in Clause 1 and in 4.2);
–update of the normative references;
–addition of informative Annex B giving the correspondence between DN and NPS;
–update of Annex ZA according to Directive 2014 /68/EU;
BS EN 16767:2020 specifies the general requirements for metallic check valves, which are forged, cast orabricated in straight, angle or oblique pattern (see en 736-2) with end connections flanged or wafer,butt welding, socket welding, or threaded.
BS EN 16767:2020 applies to metallic check valves used for all industrial applications.
Preparation for storage and transportation
Each check valve shall be drained of any test fluid
The check valve shall be packaged or the body ends covered to prevent the ingress of foreign matter.
Protective caps for check valves with flanged end connections shall be in accordance with EN 12351.
The weld profile of butt welding end check valves shall be suitably protected to prevent mechanical damage or corrosion to the machined profile.

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