World Wide Metric, Inc.
37 Readington Road
Branchburg, New Jersey 08876
Phone: 732-247-2300 • Fax: 732-247-7258
E-Mail: sales@worldwidemetric.com • Web site: www.worldwidemetric.com
Print Back
Other wall thicknesses are available from stock.
Concentric reducers with a permeability πr <1.08 are available on request.
a2319-500
Unit of Measure
1 2 3 4 5 

Item #

RA 1 - Nominal Size

RA 2 - Nominal Size

RA 1 - OD

RA 2 - OD

S1

S2

YCN-RED-419x4.5X219x3.0 N/A 16 in N/A 8 in N/A 419 mm N/A 219 mm N/A 4.5 mm N/A 3.0 mm
YCN-RED-419x4.5X267x3.0 N/A 16 in N/A 10 in N/A 419 mm N/A 267 mm N/A 4.5 mm N/A 3.0 mm
YCN-RED-419x4.5X324x4.0 N/A 16 in N/A 12 in N/A 419 mm N/A 324 mm N/A 4.5 mm N/A 4.0 mm
YCN-RED-419x4.5X368x4.0 N/A 16 in N/A 14 in N/A 419 mm N/A 368 mm N/A 4.5 mm N/A 4.0 mm
YCN-RED-457x4.5X219x3.0 N/A 18 in N/A 8 in N/A 457 mm N/A 219 mm N/A 4.5 mm N/A 3.0 mm
YCN-RED-457x4.5X267x3.0 N/A 18 in N/A 10 in N/A 457 mm N/A 267 mm N/A 4.5 mm N/A 3.0 mm
YCN-RED-457x4.5X324x4.0 N/A 18 in N/A 12 in N/A 457 mm N/A 324 mm N/A 4.5 mm N/A 4.0 mm
YCN-RED-457x4.5X368x4.0 N/A 18 in N/A 14 in N/A 457 mm N/A 368 mm N/A 4.5 mm N/A 4.0 mm
YCN-RED-457x4.5X419x4.5 N/A 18 in N/A 16 in N/A 457 mm N/A 419 mm N/A 4.5 mm N/A 4.5 mm
YCN-RED-508x5.0X267x3.0 N/A 20 in N/A 10 in N/A 508 mm N/A 267 mm N/A 5.0 mm N/A 3.0 mm
YCN-RED-508x5.0X324x4.0 N/A 20 in N/A 12 in N/A 508 mm N/A 324 mm N/A 5.0 mm N/A 4.0 mm
YCN-RED-508x5.0X368x4.0 N/A 20 in N/A 14 in N/A 508 mm N/A 368 mm N/A 5.0 mm N/A 4.0 mm
YCN-RED-508x5.0X419x4.5 N/A 20 in N/A 16 in N/A 508 mm N/A 419 mm N/A 5.0 mm N/A 4.5 mm
YCN-RED-508x5.0X457x4.5 N/A 20 in N/A 18 in N/A 508 mm N/A 457 mm N/A 5.0 mm N/A 4.5 mm
YCN-RED-610x5.5X368x4.0 N/A 24 in N/A 14 in N/A 610 mm N/A 368 mm N/A 5.5 mm N/A 4.0 mm
YCN-RED-610x5.5X419x4.5 N/A 24 in N/A 16 in N/A 610 mm N/A 419 mm N/A 5.5 mm N/A 4.5 mm
YCN-RED-610x5.5X457x4.5 N/A 24 in N/A 18 in N/A 610 mm N/A 457 mm N/A 5.5 mm N/A 4.5 mm
YCN-RED-610x5.5X508x5.0 N/A 24 in N/A 20 in N/A 610 mm N/A 508 mm N/A 5.5 mm N/A 5.0 mm
YCN-RED-711x6.0X508x5.0 N/A 28 in N/A 20 in N/A 711 mm N/A 508 mm N/A 6.0 mm N/A 5.0 mm
YCN-RED-711x6.0X610x5.5 N/A 28 in N/A 24 in N/A 711 mm N/A 610 mm N/A 6.0 mm N/A 5.5 mm
YCN-RED-813x6.0X610x5.5 N/A 32 in N/A 24 in N/A 813 mm N/A 610 mm N/A 6.0 mm N/A 5.5 mm
YCN-RED-813x6.0X711x6.0 N/A 32 in N/A 28 in N/A 813 mm N/A 711 mm N/A 6.0 mm N/A 6.0 mm
YCN-RED-914x8.0X711x6.0 N/A 36 in N/A 28 in N/A 914 mm N/A 711 mm N/A 8.0 mm N/A 6.0 mm
YCN-RED-914x8.0X813x6.0 N/A 36 in N/A 32 in N/A 914 mm N/A 813 mm N/A 8.0 mm N/A 6.0 mm
Unit of Measure
1 2 3 4 5