Marketing InformationThe HOLDRITE® #117-LS Series No-Hub Fitting Restraints are designed to reinforce no-hub cast iron installations at 90deg (long sweep) changes of direction in accordance with the installation instructions of U.S. cast iron soil pipe manufacturers , CISPI Designation 310-11 and the 2006 CISPI Installation Handbook. The #117-3LS (2" & 3" size), #117-4LS (4" size) & 117-6LS (6" size) retain the 90deg elbow onto the adjoining piping. All stainless steel bands must be torqued to 60 in/lbs minimum. When installed correctly, these restraint brackets achieve a safe thrust pressure rating equal to 50' head of water pressure.