Sigma Ingenieurgesellschaft mbH - Develops programs for pipe stress analysis, calculation of flow distribution, pressure drop and temperature loss in piping networks. Detailed program descriptions. Also offers engineering and consulting services. Applied Flow Technology - Windows software that models fluid flow in pipe networks. Incompressible and compressible flow, and waterhammer/surge modeling. Helix delta-Q - Pipe network analysis program. To design and optimise pipe networks for compressible and incompressible fluids. Can calculate friction losses and pressure drop in pipes and fittings for Liquids, Slurries and Gases. Models complex process flow pipe networks and solves for unknown flow rates and node pressures. Hytran Solutions - A Windows software package for analyzing HYdraulic TRAN sients or water hammer in pipelines. TransAM - Windows based hydraulic transient analysis (i.e., waterhammer) model for pipe systems with pumps, turbines, flow control valves, tanks, reservoirs, vacuum relief valves, air chambers, and pressurized surge tanks. Piping Systems Fluid Flow Software - A total working environment for the hydraulic design analysis and trouble-shooting of new and existing piping systems. PIPENET - Fluid flow analysis software with transient or steady state, schematic drawing capability, fire protection systems (NFPA), pipe sizing, surge analysis and prevention, hydraulic force calculations. PIPE-PRO - Five programs in one package for fluid flow analysis of piping systems. Peng Engineering - Pipe stress analysis and piping flexibility engineering software. SST Systems, Inc. - The makers of CAEPIPE, pipe stress analysis software. In the field since 1984. PipingOffice - Piping engineering software based on design sections in ASME B31.1 Power Piping, ASME B31.3 Process Piping, and ASME B31.5 Refrigeration Piping. Site gives program description and ordering information.