Clamps Clamps are required to ensure alignment and to prevent movement during welding and during the period between welding the second side of the coupler Clamps during welding
Important notice The fabric straps on the large couplers are not designed for use as lifting devices and should not be loosened or removed before, during or after welding. The straps will become loose after the cooling cycle is completed - this is a result of the coupler shrinkage and is no reason for concern.
Fabric Straps
Warning All welding electrical equipment should be checked to ensure it is in good operating condition due to the long weld times in large bore fittings. Damaged leads, loose terminal tips, poor connections could result in over heating or electrical faults/over heating during welding.
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