ISO general purpose metric screw threads - Part 22: Limits of sizes for fine pitch threads with the preferred tolerance classes; Nominal diameter from 25 mm to 52 mm

Flanged steel pipes and flanged steel or cast iron fittings with lining - PN 10, PN 25 and PN 40

Flanged steel pipes and flanged steel fittings glass lined - PN 10 and PN 25

German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verifications of validated alternative confirmation procedures (K 25)

Rotating electrical machines - Part 25: AC electrical machines used in power drive systems - Application guide

Rubber hoses and hose assemblies for liquefied petroleum gas, LPG (liquid or gaseous phase), and natural gas up to 25 bar (2,5 MPa) - Specification

Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 004: With signal contact - Product standard; German and English version EN 2996-004:2025

Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 005: With polarized signal contact - Product standard; German and English version EN 2996-005:2025

Bituminous mixtures - Test methods - Part 25: Cyclic compression test

Explosives for civil uses - Detonators and detonating cord relays - Part 25: Verification of transfer capability of detonating cord relays, surface connectors and coupling accessories; German version FprEN 13763-25:2025