Rotodynamic pumps. Hydraulic performance acceptance tests. Grades 1, 2 and 31 Scope This International Standard specifies hydraulic performance tests for customers' acceptance of rotodynamic pumps (centrifugal, mixed flow and axial pumps, hereinafter "pumps"). This International Standard is intended to be used for pump acceptance testing at pump test facilities, such as manufacturers' pump test facilities or laboratories. It can be applied to pumps of any size and to any pumped liquids which behave as clean, cold water. This

and smooth internal surfaces

BS EN 14272 on calculation methods for plywood is useful for:

Who is BS EN 50134-3- Local unit and controller for social alarm systems for

By adopting ISO 22531

c) the measurement of the number-based emission rate of particles in the particle size range from about 10 nm to about 1 µm

The storage environment for archival materials

as specified in ISO 4871

the effects of that environment on electronics

ISO 6150 discusses pneumatic fluid power

enabling optimised ambient conditions for safe storage and reducing spoilage risk for wheat in agricultural applications

turret and single spindle automatic lathes

ISO 20421-1 and/or ISO 21009-1