Sioux Chief HydraRester™ 655D Copper Type D Water Hammer Arrester, 1 in, MIPT . Water Hammer Arrestors . 175911 MFG #: 655D. / ea Sioux Chief 650 series piston type water hammer arresters shall be required in piping systems. Water hammer arresters shall have sufficient volume of air to dissipate the calculated kinetic energy ...