J' Ring (narrow gap) made from galvanised steel

J' Ring (narrow gap) made from galvanised steel
for the determination of confined flow to BS EN 12350-12:2010
CodeCN209
British StandardBS 12350-12
Other StandardsEN 12350-12
Tariff902480 90
Click to save page as PDFSave Page to PDF

The ring is constructed from galvanised steel with diameter of 300mm. The circumference of the ring is drilled and 18mm diameter cylindrical bars are fixed into the holes with 41mm between them.
Image shows CN209 together with CN210/1 slump cone and CN210/2 square base plate