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Other wall thicknesses are available from stock.
Unit of Measure

RA 1 - Nominal Size

 2 1/2 in

RA 2 - Nominal Size

 1 1/2 in

RA 1 - OD

 76.0 mm

RA 2 - OD

 44.5 mm

S1

 3.5 mm

S2

 2.5 mm

a 

 76 mm

b 

 67 mm

Weight

 1.17 kg

Norm

 DIN 86088

Note

 Seamless

Material

 Copper-Nickel