--- title: "Valve-Ruler — App Overview" url: https://marlvel.ai/apps/valve-ruler category: Business developer: Danfoss A/S platforms: ios rating: 1.0 (1 ratings) pricing: free report_level: overview generated: 2026-05-09 last_verified: "2026-05-09T11:29:33.510Z" --- > **Key Insight:** This is a specialized utility for technical professionals to calculate flow requirements and match compatible valve and actuator components. | Metric | Value | |--------|-------| | Category | Business | | Rating | 1.0 ★ (1) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 1.1.2 | | Developer | Danfoss A/S | ## What is Valve-Ruler? Valve-Ruler is a technical selection tool developed by Danfoss A/S that assists users in identifying and pairing compatible valves and actuators. It streamlines the specification process by allowing users to input application parameters or browse the full product catalog to find optimal hardware combinations. ## Key Features - **KV Calculation**: Calculates the KV value based on user-provided flow rates and inlet/outlet pressure data. - **Product Selection**: Filters valve and actuator ranges based on application type, connection, port count, and PN specifications. - **Combination Management**: Allows users to save selected valve and actuator combinations within the app or share them via email. ## Who is it for? Engineers and technical professionals involved in selecting and configuring industrial valve and actuator systems. ## Links - [App Store](https://apps.apple.com/us/app/valve-ruler/id966127722?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/valve-ruler) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/valve-ruler).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*