Description

Restriction Orifice Sizing

Engineering-grade pressure relief spreadsheet by 3D-Labs. Instant download. Editable Excel with all formulas. Built to the latest industry codes.

✅ What’s Included

✅ Editable Excel spreadsheet — all formulas unlocked
✅ Instant download — access after payment
✅ Engineering-accurate — prepared by 3D-Labs engineers
✅ Code-compliant — built to the latest industry standards
✅ Lifetime access
✅ One-time payment of ₹999

📘 Code & Standards Reference

This calculation is built to comply with the following recognised codes and standards:

Perry’s
Crane TP-410
API 520

All formulas, factors, and acceptance criteria align with the cited references. Engineers can audit every cell against the governing clause.

Who This Is For

This spreadsheet is designed for engineers, designers, and technical professionals who need reliable restriction orifice sizing results for pressure relief work. Whether you are working on a new project or verifying an existing design, this tool provides accurate, code-compliant results instantly.

Engineering context: Required for flare headers, vent lines, slow blowdown. Frequently asked.

How It Works

Step 1	Purchase the spreadsheet
Step 2	Download instantly after payment
Step 3	Enter your project values into the spreadsheet
Step 4	Get accurate, code-compliant results instantly — all formulas pre-built

Why 3D-Labs

🌍 Global Presence
Trusted by engineers across India, UK, Middle East and beyond

📚 Engineering Library
500+ calculation tools across multiple engineering disciplines

🤝 Dedicated Support
Our engineers are available to help you with any questions

Our Commitment: Every spreadsheet is prepared by qualified 3D-Labs engineers and verified for accuracy. We stand behind our calculations and provide support to ensure your project succeeds.

Frequently Asked Questions

What format is the spreadsheet in?
The spreadsheet is provided in Microsoft Excel (.xlsx) format with all formulas unlocked and editable.

Which code does this restriction orifice sizing follow?
See the Code & Standards Reference section above for the complete list of governing codes and clauses used.

Is this a one-time payment?
Yes. You pay once and get lifetime access to the spreadsheet. No subscriptions, no recurring fees.

Can I use this for multiple projects?
Yes. Once purchased, you can use the spreadsheet for as many projects as you need.

Do I get support?
Yes. Our engineering team is available at info@3d-labs.com to answer questions about inputs, methodology, or interpretation of results.