Dec 8, 2004 #1 bogu Mechanical Jul 20, 2003 35 0 0 AU Hi all Can someone tell me the difference between propulsive and retractive expanding, with regard to tubes being expanded into water tube boiler drums. Thanks Bogu
Hi all Can someone tell me the difference between propulsive and retractive expanding, with regard to tubes being expanded into water tube boiler drums. Thanks Bogu
