# TLV Valve Calculator — Valve Calculator

> Valve Calculator (iPhone/iPad app by TLV CO.,LTD..)

- Source: https://appshunter.io/ios/app/tlv-valve-calculator/id6752233858 (this page in markdown: same URL + `.md`)
- Developer: [TLV CO.,LTD.](https://appshunter.io/developer/653406780)
- Category: Business, Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 15.0 · 235 MB
- Released: 2025-11-27
- Data updated: 2026-08-07
- User reviews in markdown: https://appshunter.io/ios/app/tlv-valve-calculator/id6752233858/reviews.md

## What is TLV Valve Calculator?

TLV Valve Tools enables the user to size and select TLV control valves and pressure reducing valves. With simple process inputs, the app recommends a valve with the appropriate size and model for the input data. Datasheets and supplementary information, including noise calculation results, are provided for additional context for selection.


## Version history (last 5 releases)

### 3.3.32 — 2026-08-05

What's New
- Updated internal database with the latest valve data
- Fixed an issue preventing selection of non-standard valves in the Europe region
- Swapped the position of the Rated Cv and Size dropdown for improved input flow
- Cv values smaller than one now display with 3 significant figures for better precision
- General performance and stability improvements

### 3.3.31 — 2026-06-15

What's New

- Fixed an incorrect pipe grade name for JIG-SGP
- Fixed incorrect minimum and maximum rated flowrate values in PRV (JP and EU)
- Fixed an issue where noise results displayed an error under certain inputs
- Fixed the Contact Us button not working

### 3.3.29 — 2026-04-03

We've squashed some bugs and made a few improvements to give you a smoother experience:

- Fixed an issue where the output max flowrate was calculated incorrectly
- Fixed a crash that occurred when a dropdown list contained duplicate entries
- European region now shows Kv as the default unit
- CT16 is now prioritized over CT20 when both options are available
- Dropdowns now display an arrow icon for better visibility
- Spanish region now correctly uses Cv unit instead of Kv

### 3.3.26 — 2026-01-21

[General] Combined both TnC and Privacy Policy pages into one
[General] Updated new valve Data sheet
[General] Modified PRV result note text
[General] Updated language selection in setting page
[General] Changed the submit button Japanese text
[General] Changed font family to Noto Sans
[General] Fixed reject button not working in privacy consent page in iOS

### 3.3.22 — 2025-11-29

1. Fixed the app not functioning well in Dark Mode.
2. Refined the PDF Viewer.
3. UI support for iOS 26.

## More apps by TLV CO.,LTD.

- [TLV ToolBox](https://appshunter.io/ios/app/tlv-toolbox/id653406777)
- [CMRecorder](https://appshunter.io/ios/app/cmrecorder/id6755858200)

All apps by TLV CO.,LTD.: https://appshunter.io/developer/653406780

## Related topics

[virtual flange](https://appshunter.io/ios/topics/virtual-flange)

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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 2026-08-07.*