b'Copper Back-Up ClampCopper Back-Up Clamp SystemAdvantages Consistent External Root Deposition Higher Quality External Root Welds Mainline, Offshore J-Lay, Tie-In, and Purge Configurations Custom Applications AvailableMechanical SpecificationsPipe sizes Up to 16 Up to 406 mm 16 to 56 406 to 1,422mmWall thickness Not applicable*Not applicable*5/16 to 18 to 25.4mmTemp rating To be advised To be advised -40 to 158 o F -40 to 70 o CClimb capability 15 degrees**15 degrees** 15 degrees15 degreesDrive capability (flat) 80 feet +24.4m 80 feet +24.4mOperating pressure 200 psig1.38 MPa200 psig1.38 MPa* Copper back-up clamps under 16" are made for ID measurements** 14-16" Diameter are the smallest clamps with drive capability.All dimensions subject to change without notice.! DisclaimerAlthoughgreatcarehasbeentakenincompilingtheinformationcontainedinthiscatalogue,CRC-Evansdoesnotacceptresponsibility for the consequences of any errors, nor for the effects of any subsequent changes made by the various sources of data.Dimensions and weights provided for reference only. Dimensions, specifications and weights can vary depending upon final80 configuration of the equipment. Please contact CRC-Evans to confirm final weights and dimensions prior to shipment.'