Lower the cost of pipe welding by optimizing the work methods and tools you use!
AMA® Centering collar set
Ultra-fast, accurate, and easy-to-use stainless steel/acid-resistant pipe centering collar. Reduces installation and welding errors to a minimum. The basic set contains 7 different collar sizes and a centering collar tightener.
AMA® Centering collars
Basic set contains sizes DN 150–DN/NS 500 (for diameters 150, 200, 250, 300, 350, 400, and 500)
DN-dimensioned collar sizes available in sizes DN65-DN1500
NS-dimensioned sizes also available in sizes NS100-NS300
Collar size 350 and larger sizes compatible with both DN and NS dimensions.
A collar tightener (3 different sizes) is used to tighten the collar so that centering is as accurate as possible.