DESIGN TOOLS

When you do engineering job, you need some basic softwares or professional design tools.
Some tools like:

Autocad
Micro Station SE
PDMS
PDS
INTools
IN3
MSWord
MSExcel
MSAccess
Flow Calc. Software
CV Calc. Software
PSV Calc. Software

If you are piping engineer, you my like these softwares:

Valve Software

Alsintec - Dorot - Software Dorot – Alsintec – Valve utility program
Free download software from Alsintec-Dorot Company.
- Operation conditions for a control valve in a parallel pipeline system.
- Calculation of the pressure surge on clousure valve.
- Calculation of orifice plates.
- Calculation of a pressure reducing valve.
Cavitation warning and solutions.
- Calculation of network hydraulic parameters.
- Connection flange dimension requested by the most commond standards (BS10, ANSI, ISO 7005-2).