Devices without moving parts for the prevention of contamination of water by backflow. Specification for pipe interrupters of nominal size up to and including DN 42.

UNGÜLTIG herausgegeben am 30.11.1982

Plain bearings. Testing under conditions of hydrodynamic and mixed lubrication in test rigs.

UNGÜLTIG herausgegeben am 30.11.2007

Devices with moving parts for the prevention of contamination of water by backflow. Specification for check valves of nominal size up to and including DN 54.

UNGÜLTIG herausgegeben am 30.11.1982

Devices with moving parts for the prevention of contamination of water by backflow. Specification for terminal anti-vacuum valves of nominal size up to and including DN 54.

UNGÜLTIG herausgegeben am 30.11.1982

Devices with moving parts for the prevention of contamination of water by backflow. Specification for in-line anti-vacuum valves of nominal size up to and including DN 42.

UNGÜLTIG herausgegeben am 30.11.1982

Devices with moving parts for the prevention of contamination of water by backflow. Specification for combined check and anti-vacuum valves of nominal size up to and including DN 42.

UNGÜLTIG herausgegeben am 30.11.1982

Building intercom systems. System requirements. General.

UNGÜLTIG herausgegeben am 31.12.2016

Electric welding equipment. Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz). Resistance welding equipment.

UNGÜLTIG herausgegeben am 26.2.2018

Tracked Changes. Electric welding equipment. Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz). Resistance welding equipment.

UNGÜLTIG herausgegeben am 26.2.2020

Surface cleaning appliances. Floor treatment machines with or without traction drive, for commercial use. Methods of measuring the performance.

UNGÜLTIG herausgegeben am 31.10.2014