2. Getting involved
3. Standards Committees
4. NAA

DIN Standards Committee Valves

Overview

DIN 3223 defines the requirements for handling keys for valves (pillar fire hydrants, underground fire hydrants, gate valves with square cap, ferrules). This standard has been prepared by Working Committee NA 003-01-06 AA "Industriearmaturen für die Wasserversorgung, Membranarmaturen, Rückflussverhinderer und Hydranten" ("Valves for water supply, diaphragm valves, check valves and fire hydrants") of the Valves Standards Committee (NAA) at DIN.

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 003-01-16 AA - Valves for water supply, diaphragm valves, check valves and fire hydrants as well as gate valves, globe valves, butterfly valves and ball valves