Pipe to Flange Welders | McMaster-Carr

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Hold pipe and fittings together for tack welding. Turn the handle to adjust the opening size. Three thumb screws hold fittings or flanges in place.

Flange

The open clamp design permits welding around almost the entire pipe circumference. Secure components with chains and tighten the handles.

Aluminum clamps are lighter in weight than iron clamps. Flange clamp is for flanges and straight pipe.