Dec 8, 2004 #1 bogu Mechanical Joined Jul 20, 2003 Messages 35 Location 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