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Cadweld Punched Strap Bonds
Cadweld Punched Strap Bonds
The CADWELD “Punched Strap” Bond allows bonding across joints of steel pipe with a bond of approximately 1/0 AWG size using a CA15 Weld Metal. This allows larger size bonds on steel pressure pipe covered by ANSI/ASME B31. (See page 16).
The Punched Strap bond is fabricated from 1/16″ x 1-1/4″ soft copper, allowing easy hand forming over the pipe coupling.
The 5-hole model is used on “Dresser Type” pipe couplings with two welds to the pipe and three to the coupling, made through the holes.
A 2-hole model (the ‘B’ dimensions are zero) is used across standard mechanical joints or across “Dresser Type” joints when the coupling does not have to be bonded.