Profile: N. Panchal Engineering Works is a manufacturer of bellows, pipe ends, butt welded ends, root rings, inner sleeves, lugs, shipping brackets and control rods. Our single and united universal expansion joints are formed with annular convolutions from seamless tubing or longitudinally butt welded cylinders. We offer expansion joints that are provided with weldable ends or flanges as per BS, DIN or ASA standards available.