Rigid pipe assemblies are mechanical systems consisting of rigid pipes, fittings, and other components that are connected together to form a complete fluid or gas conveying system. They are commonly used in industrial, commercial, and residential settings to transport fluids and gases such as water, oil, gas, and air. Rigid pipe assemblies can be made of materials such as steel, copper, and PVC and come in various sizes and shapes to fit different system requirements. They are designed to provide a leak-proof seal and are capable of withstanding high pressure and temperature conditions. Rigid pipe assemblies can be joined together using techniques such as welding, threading, and grooving. Proper installation and maintenance of rigid pipe assemblies are essential for the safe and efficient operation of fluid and gas conveying systems.