This free interactive 3D model walks you through a mechanical room and its piping systems — pumps, valves, equipment, and the supports and hangers that hold everything in place. Click any component to see what it does and how it connects to the rest of the system. It's a visual learning tool for mechanical and piping designers, plant operators, facilities staff, and students learning how piping systems are arranged and routed.
The viewer covers the main building blocks of a mechanical piping system:
• Piping systems — the pipe runs that move water, steam, or other fluids between equipment. • Pumps — including centrifugal pumps that move fluid through the loops. • Valves — isolation, balancing, check, and control valves along the runs. • Equipment — tanks, heat exchangers, and other connected mechanical components. • Supports and hangers — the brackets, clamps, and rods that carry pipe weight and allow for movement and thermal expansion.
A piping system connects sources (pumps, tanks, heat exchangers) to loads through pipe runs sized for the required flow and pressure drop. Pumps provide the head to overcome friction and elevation; valves let operators isolate equipment, balance flow between branches, prevent backflow, and modulate the system. Pipe must be properly supported: hangers and supports are spaced to carry the dead weight of pipe and fluid, control sag, and absorb thermal expansion so stresses stay within limits. The arrangement is documented on a P&ID (piping and instrumentation diagram) that shows every line, valve, and instrument.
1. Drag to orbit the room, scroll to zoom, and pan to move around. 2. Click any pump, valve, or piece of equipment to highlight it and read what it does. 3. Follow a pipe run from a pump through its valves to the connected equipment to see how the system is routed and supported.
A piping system is the network of pipes, fittings, valves, and supports that conveys a fluid (water, steam, gas, etc.) between equipment such as pumps, tanks, and heat exchangers. It is engineered for a specific flow rate, pressure, and temperature, and is routed and supported to handle weight, thermal expansion, and maintenance access.
A centrifugal pump uses a rotating impeller to add velocity to the fluid, which is then converted to pressure (head) in the pump casing. It is the most common pump type for water and similar low-viscosity fluids because it provides smooth, continuous flow and is simple and reliable. Other types include positive-displacement pumps used for high pressure or viscous fluids.
A P&ID (piping and instrumentation diagram) is the schematic that shows all piping, valves, equipment, and instrumentation in a system, along with line sizes and control connections. It is the primary reference for how a mechanical system is arranged, operated, and maintained.
Pipe supports and hangers carry the dead weight of the pipe and the fluid inside it, prevent excessive sag and vibration, and allow controlled movement from thermal expansion and contraction. Proper spacing keeps stresses within allowable limits and protects connected equipment from being overloaded by the piping.
Common valves include gate and ball valves for on/off isolation, globe valves for throttling and flow control, check valves to prevent backflow, and butterfly valves for large-diameter isolation and balancing. Control valves modulate flow automatically based on a signal from the building or process control system.