https://www.waterworkstraining.com/products/Field_Flange_Ductile_Installation.php – Training and Installation “The Basics” lesson 25 elaborates on having a square cut pipe, inspecting and checking all parts, the correct order of both the field flange adapter and gasket on the pipe and how to properly torque the bolts and tighten the set screws in an alternating pattern.
website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.