Profile: R P Mfg. & Calibration produces twister equipment. We offer break-out units to casing elevators. We are involved with tubing and casing from 1 5/16" to 22" diameters. Our products include twister 3000 ratchet type machine, twister 6500 continuously rotating machine and twister 4000 ratchet type machine. Our twister 3000 ratchet type machine includes 12 ft. standard bed, power traverse tailstock, hydraulic power unit and control console with auxiliary valves. We design twiister 6500 continuously rotating machine with headstock, which is equipped with self-centering hydraulic clamp cylinders that extend evenly to secure the work piece.