The Holdrite® #117-L series no-hub restraints are designed to reinforce no-hub cast iron installations at 45 deg or 22 deg change 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 #117-10L (10 in size), #117-12L (12 in size) and #117-15L (15 in size) retain the 45 deg elbow onto the adjoining piping. When installed correctly, these restraint brackets achieve a safe thrust pressure rating equal to 50 ft head of water pressure for 10 in models and 40 ft for 12 to 15 in. Models ending in G represent galvanized. Clamps to be torqued to 60 ft/lb.