Piping Stress Analysis and Sizing Software

Industry Standard Since 1965

Simplifying Complex Engineering Challenges

PASS/START-PROF® delivers comprehensive pipe stress analysis, flexibility evaluation, stability assessment, and fatigue strength calculations with component sizing per international and national codes and standards.

START-PROF is developed by practicing pipe stress engineers with continuous software development since 1965. We provide ongoing technical support and training while gathering daily feedback from our 3000+ corporate users. Our development team actively contributes to modern pipe stress analysis code development adopted across multiple countries.

Getting Started

What's New in START-PROF
Supported Codes and Standards
System Requirements & Installation
Quick Start Guide
USB Dongle Update
Create New Project
Customer Success Stories

Technical Support

Troubleshooting Guide
Support Request Form
support@passuite.com
Contact Information
Technical Blog
User Forum
Support Services
Contact Support
Training Courses

Analysis Types

Piping System Modeling
Static Analysis
Dynamic Analysis
Seismic Analysis
Seismic Wave Propagation
Buried Pipe Analysis
Buckling Analysis
Fitness-for-Service Assessment
External Software Interfaces

START-Elements

Pipe Wall Thickness Calculation
Bend Wall Thickness Analysis
Tee Wall Thickness Analysis
Reducer Wall Thickness Analysis
Piping Loop Analysis
Upheaval Buckling - Buried Long-radius Bend
Upheaval Buckling - Buried Pipeline
Vacuum Piping Local Buckling

Application Guide

Relief Valve Loads
Water Hammer Analysis
Slug Flow Loads
Thermoplastic Piping Analysis
FRP/GRP/GRE Piping Analysis
Vacuum Piping Analysis
Jacketed Piping Modeling
Equipment Alignment Check
Multiple Code Compliance in Single Model
Stanchion, Trunnion, Dummy Leg, Lug
3-way Valve, Angular Valve, Heavy Drive
Column Vessel and Reboiler Modeling
Horizontal Vessel Modeling
Vertical Vessel Modeling
Restrained and Unrestrained Zones
Roller Support Modeling
Additional Features

User Interface

Interface Overview
Piping Object Model
Component Databases
Analysis Results Review
Keyboard Shortcuts
Run Analysis
Program Settings
START-Elements Module

Model Components

Operating Conditions (Load Cases)
Piping System Loads
Pipe Elements
Bend Elements
Tee Elements
Reducer Elements
Expansion Joint Elements
Restraint Elements
Static & Rotating Equipment
Flaw Assessment Elements

Data Interfaces

API (Application Programming Interface)
CAESAR II Import
AVEVA PDMS/E3D/MARINE
CADWorx Interface
Autodesk REVIT Integration
PCF Format
Neutral File Format
Microsoft Excel Integration
AutoCAD Export
AutoCAD Import
Microsoft Word Export
Additional Interfaces

Productivity Tips

Dockable Result Tables
Export Tables to Excel
Transfer Model Data to START-Elements
Restore Backup Files
Table Data Filtering and Sorting