Methods of measurement of the electrical properties of electronic tubes and valves (excluding microwave devices). Essential conditions for measuring equivalent input and output admittances
Edition 1968-04-30

Methods of measurement of intermodulation products in electronic tubes or valves intended for use in colour television transposers
Edition 1969-07-29

Safety and control devices for use in hot water systems. Specifications for temperature relief valves for pressures from 1 bar to 10 bar
Edition 1991-06-28

Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control
Edition 1991-09-30

Plastics piping systems for water supply, and for drains and sewers under pressure. Polyethylene (PE). Valves for water supply systems
Edition 2024-03-14

Standard Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low-Temperature Service
Edition 2022

Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure. Unplasticized poly(vinyl chloride) (PVC U). Valves
Edition 2010-01-31

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
Edition 2024-07-01

Safety devices for protection against excessive pressure. Sizing of safety valves and bursting discs for gas/liquid two-phase flow
Edition 2024-04-04

Fixed firefighting systems - Components for gas extinguishing systems - Requirements and test methods for high and low pressure selector valves and their actuators
Edition 2006-06-30