# Keystone Pump TDH Calculator > Calculates slurry pipe system head pressure and settling velocity for pump sizing. (iPhone/iPad app by Keystone Pumps LTD.) - Source: https://appshunter.io/ios/app/keystone-pump-tdh-calculator/id880925443 (this page in markdown: same URL + `.md`) - Developer: [Keystone Pumps LTD](https://appshunter.io/developer/435839301) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.6 · 3 MB - Languages: American English - Released: 2014-06-05 - Data updated: 2026-05-31 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/keystone-pump-tdh-calculator/id880925443/reviews.md ## What is Keystone Pump TDH Calculator? Keystone Pumps - Keystone Pump TDH Calculator was created to assist Engineers and Technical Personnel with system calculations required for the sizing of slurry pipe systems and slurry pumps. Our program allows the user to simply enter in basic system parameters and our program will calculate the required head pressure and limiting settling velocity. Our desire is to provide our customers with a dynamic tool that allows for ease of selecting slurry pumps. Features: • Supports iOS10 • Built in Slurry Density Calculation • Limiting Settling Velocity Calculation • Slurry Head & Equivalent Water Head Calculation • Built in Pipe Type and Size Database • Entry and Saving of Customer Pipe Sizes • Built in Pipe Fittings Visual Selection Database • Entry and Saving of Custom Pipe Fittings • NPSHA Calculation • US and Metric Units • Saving of Individual Calculation Results • E-Mailing of Individual Calculation Results ## Key features - Slurry Density Calculation - Limiting Settling Velocity Calculation - Slurry Head & Equivalent Water Head Calculation - Pipe Type and Size Database - NPSHA Calculation - US and Metric Units - Save Calculation Results ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/keystone-pump-tdh-calculator/id880925443/reviews.md ### 5/5 — 5 *2014-11-15* it is good to have some app like this on phone it helps me ## Frequently asked questions about Keystone Pump TDH Calculator ### What is Keystone Pump TDH Calculator used for? Keystone Pump TDH Calculator is designed to help engineers and technical personnel with system calculations for sizing slurry pipe systems and slurry pumps. It calculates required head pressure and limiting settling velocity. ### What units does Keystone Pump TDH Calculator support? Keystone Pump TDH Calculator supports both US and Metric units, offering flexibility for various international engineering standards and user preferences. ### Can I save my calculations with Keystone Pump TDH Calculator? Yes, Keystone Pump TDH Calculator allows users to save individual calculation results. This feature helps in keeping track of different system designs and parameters for future reference. ### Does Keystone Pump TDH Calculator have ads? No, Keystone Pump TDH Calculator is ad-free, providing an uninterrupted user experience for its technical calculations. ### What is the rating for Keystone Pump TDH Calculator? Keystone Pump TDH Calculator has a rating of 5.0 stars from 1 rating, indicating a very positive user reception based on available data. ### How often is Keystone Pump TDH Calculator updated? The latest version of Keystone Pump TDH Calculator is 2.8.0, and it was last updated on February 25, 2025. This suggests a commitment to maintaining and improving the application. ### What devices is Keystone Pump TDH Calculator compatible with? Keystone Pump TDH Calculator is compatible with iPhones and supports iOS 10 or later. ### Can I email calculation results from Keystone Pump TDH Calculator? Yes, Keystone Pump TDH Calculator provides the functionality to e-mail individual calculation results. This is useful for sharing data with colleagues or for documentation purposes. ## Version history (last 5 releases) ### 2.8.0 — 2025-02-25 Bug fixes and updates. ### 2.7.0 — 2023-02-27 Updated app to ensure compatibility with latest versions of iOS. ### 2.6.2 — 2020-01-12 Fixing up iOS 13 issues. Bug dealing with suction lift. Cleaning up PDF export. ### 2.6.1 — 2019-03-20 Can now do 3 significant figures on particle size. ### 2.6.0 — 2019-02-16 Saving and deleting bug fixes. Slurry Pump Classification bug fix. ## Apps similar to Keystone Pump TDH Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Xylem Cost Calculator](https://appshunter.io/ios/app/xylem-cost-calculator/id1264144162) | 5.0 (1) | Free | Utilities | | [Flygt Dewatering](https://appshunter.io/ios/app/flygt-dewatering/id1492408610) | — | Free | Utilities | | [PCP Calculator](https://appshunter.io/ios/app/pcp-calculator/id6547868693) | — | Free | Utilities | | [DP-Select](https://appshunter.io/ios/app/dp-select/id934888136) | 4.0 (1) | Free | Utilities | | [SCR MAXFLO™](https://appshunter.io/ios/app/scr-maxflo/id1077499630) | 4.6 (5) | Free | Utilities | | [Pump Power Calculator](https://appshunter.io/ios/app/pump-power-calculator/id1671140802) | — | $2.99 | Utilities | ## More apps by Keystone Pumps LTD - [Pump System Calculator](https://appshunter.io/ios/app/pump-system-calculator/id435839298) All apps by Keystone Pumps LTD: https://appshunter.io/developer/435839301 ## Related topics [keystone pump tdh calculator](https://appshunter.io/ios/topics/keystone-pump-tdh-calculator) · [slurry](https://appshunter.io/ios/topics/slurry) · [tdh calculator](https://appshunter.io/ios/topics/tdh-calculator) · [pump logic](https://appshunter.io/ios/topics/pump-logic) --- *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 2026-05-31.*