# PROCO Pen-Seal calculator

> Calculates pipe penetration link count and size for watertight seals. (iPhone/iPad app by Proco Products, Inc..)

- Source: https://appshunter.io/ios/app/proco-pen-seal-calculator/id1447513170 (this page in markdown: same URL + `.md`)
- Developer: [Proco Products, Inc.](https://appshunter.io/developer/1450394216)
- Category: Productivity, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 87 MB
- Languages: American English
- Released: 2019-01-24
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/proco-pen-seal-calculator/id1447513170/reviews.md

## What is PROCO Pen?

The PROCO Pen-Seal calculator is designed to assist you in selecting the correct number of links and the correct size of link for pipe penetrations passing through walls and/or floors.  To achieve a 100% water-tight seal, enter in your Pipe O.D. dimension and your Penetration I.D. to provide you with the required combination. 
 
The Pen-Seal’s standard elastomer material is EPDM, which is suitable for temperatures ranging from -40F to 250F. All sizes have been tested to withstand a hydrostatic seal up to 20 psig or 40 feet of head pressure. Used for various applications in Power-Gen, HVAC, Water & Wastewater, Mining, etc.

## Key features

- Calculate link count and size
- Achieve 100% watertight seal
- Input Pipe O.D. and Penetration I.D.
- Supports standard EPDM elastomer material
- Tested for hydrostatic seal up to 20 psig


## Frequently asked questions about PROCO Pen

### What is the PROCO Pen-Seal calculator used for?

The PROCO Pen-Seal calculator helps you select the correct number and size of links for pipe penetrations to achieve a 100% watertight seal. It is designed for applications requiring a secure barrier against water ingress.

### How do I use the PROCO Pen-Seal calculator?

To use the calculator, you need to enter your Pipe O.D. (Outer Diameter) dimension and your Penetration I.D. (Inner Diameter). The app will then provide the required combination of links for a watertight seal.

### What materials does the PROCO Pen-Seal calculator support?

The calculator is designed around the standard elastomer material, EPDM, which is suitable for temperatures ranging from -40°F to 250°F. This material is commonly used for its durability and resistance to various conditions.

### What is the pressure rating for the seals calculated by PROCO Pen-Seal?

All sizes calculated by the Pen-Seal calculator have been tested to withstand a hydrostatic seal up to 20 psig, which is equivalent to 40 feet of head pressure. This ensures reliable performance in demanding environments.

### What industries commonly use the PROCO Pen-Seal calculator?

The PROCO Pen-Seal calculator is used in various industries including Power Generation, HVAC, Water & Wastewater, and Mining. These sectors often require robust sealing solutions for pipe penetrations.

### Is the PROCO Pen-Seal calculator available on multiple devices?

Based on the available data, the PROCO Pen-Seal calculator is supported on iPhone and iPod devices. It is not specified if it is available for Android or other platforms.

### How often is the PROCO Pen-Seal calculator updated?

The latest version of the PROCO Pen-Seal calculator is 1.0.2, and it was last updated on September 19, 2024. This indicates a recent update, suggesting ongoing support and potential improvements.

### Does the PROCO Pen-Seal calculator have ads?

No, the PROCO Pen-Seal calculator does not contain advertisements. It is a free application designed to provide a clean and focused user experience without interruptions.

## Version history (last 3 releases)

### 1.0.2 — 2024-09-19

Rebuilt using latest development tools

### 1.0.1 — 2019-08-21

-Bug fix (improved handling of invalid size combinations)

### 1.0 — 2019-01-23

No release notes.

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## More apps by Proco Products, Inc.

- [Proco Products](https://appshunter.io/ios/app/proco-products/id1553042140)

All apps by Proco Products, Inc.: https://appshunter.io/developer/1450394216

## Related topics

[pore clogging checker](https://appshunter.io/ios/topics/pore-clogging-checker)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*