McCalc Fusion Calculator 4+

HDPE/PP Pressure Calculator

McElroy Manufacturing, Inc.

Designed for iPhone

    • 3.5 • 12 Ratings
    • Free

iPhone Screenshots


The McCalc Fusion Pressure Calculator is designed to help you quickly find the correct fusion pressure for your job.

To properly heat-fuse polyethylene pipe, the fusion pressure must be adjusted so the pipe manufacturer's recommended interfacial pressure is achieved.

McCalc takes the guesswork out of HDPE and Polypropylene pipe fusion. By selecting your McElroy fusion machine and entering your pipe size and pressure requirements, the recommended theoretical gauge pressure may be calculated.

McCalc offers the following features:

- Easy selection of any of McElroy's hydraulic fusion machines.
- Selection from nine different international standards for HDPE and Polypropylene pipe fusion.
- Pipe size entry in IPS, DIPS, O.D., or JIS units.
- Wall thickness entry using the pipe's dimensional ratio or actual wall thickness.
- Interfacial pressure and drag pressure entry in units of psi, bar, kg/cm², or MPa.
- Multiple-language support including English, Spanish, and Portuguese.

What’s New

Version 2.4.0

Improvements to better support Dark Mode and iOS 14.

Ratings and Reviews

3.5 out of 5
12 Ratings

12 Ratings

ricky_geesus ,

Latest update came with issues

The timer feature is no longer visible besides the start/reset buttons. I can’t see the time. And the black background with the blue lettering in the selection menus make it difficult to read out in the sun which is usually the only place I fuse pipe or use this app. Overall it’s a good app but needs a little attention.

Previous issues were due to my iPhone being on dark mode. Still would be nice for the app to compatible with dark mode.

gasman304 ,

Good but needs updated

Good app but needs updated, luckily works. Pipe specifications need updated

art2k3 ,

McElroy calculator

Good tool, easy to use. Interface pressure could be a drop-down menu by machine and color cylinder instead of entering a number.
On other option could be a option for dissimilar wall thickness

App Privacy

The developer, McElroy Manufacturing, Inc., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.

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