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DIN Standards Committee Technical Fundamentals

Overview

The standard specifies requirements for indicating pressure gauges (manometers) with diaphragm as an elastic measuring element for measuring positive and/or negative pressures. Pressure gauges are mainly used in the fire department for normal pressure pumps according to DIN EN 1028-1 (fire-fighting centrifugal pumps with primer) or DIN EN 14710-1 (fire-fighting centrifugal pumps without primer). The March 2001 edition of DIN 14421 has been revised to bring the content of the standard up to date. In particular: - the confirmation of conformity in the former Annex A and in Clause 6 (marking) has been revised and adapted to the applicable rules for confirmation of conformity; - the pointer coloring has been added; - the standard number DIN 14421 has been added to the dial, but the DIN association symbol has been omitted; - the normative references and the bibliography have been updated. The standard has been prepared by Working Committee NA 031-04-05 AA "Feuerlöschpumpen - SpA zu CEN/TC 192/WG 2" ("Firefighting pumps - mirror committee of CEN/TC 192/WG 2") at DIN Standards Committee Firefighting and Fire Protection (FNFW).

Responsible national committee

NA 031-04-05 AA - Firefighting pumps - mirror committee of CEN/TC 192/WG 2