Test methods for assessing the performance of gas-phase air cleaning media and devices for general ventilation - Gas-phase air cleaning devices (GPACD)1 Scope This part of ISO 10121 aims to provide an objective test method to estimate the performance of any full size gas filtration device (GPACD) for general filtration regardless of media or technique used in the device. In fact, the goal of this part of ISO 10121 is to avoid relating the test data to internal parameters altogether. The benefit with this approach is that customers of GPACDs will be able to concentrate on price performance and

details of construction and performance for portable aluminium ladders

BS EN 61158-3-7 defines the services provided to the Type 7 Fieldbus application layer at the boundary between the application and data-link layers of the Fieldbus reference model

you can enhance the virucidal activity of chemical disinfectants and antiseptics and ensure cleanliness and prevent transmission of any infectious disease

BS 8579 offers eminent information for constructing efficient water drainage

Method B (clause 5) is applicable to the determination of the minimum temperature of a prescribed hot surface which will result in the ignition of a cloud of given sample of dust or other particulate solid

It outlines characteristics

Using BS EN 60728-11 you can deal with the safety requirements applicable to fixed sited systems and equipment

requirements and guidance of BS IEC 62138 are applicable

all of whose locations may be determined from a knowledge of the location of any one

Transaction services

BS EN 3660-027:2009 Aerospace series

BS EN 3747 is an international standard that discusses the uses of O-rings in fluorosilicone rubber (FVMQ)