Learning the piano has never been more fun

Download the Companion App

Windows

Mac OS

Instructions

1

Enter the IP address of your Quest (you can find it in the playback options inside Magic Keys).

2

Press Start (if you need MIDI connection, make sure your MIDI device is connected before).

3

If your MIDI connection works, the MIDI button should light up when you play a note (this is not required for custom uploads).

4

Choose a music score file from your disk. Press Upload Piece.

5

As soon as the output log says Upload Complete, the piece should be visible in your Magic Keys app.

Using the diagnostic steps outlined in the API 553 framework, Sarah realized the issue wasn't the valve itself, but the .

A key, actionable requirement from API RP 553 dictates that an emergency block valve (EBV) is required where the upstream vessel contains more than 15 cubic meters (approximately 4000 gallons) of liquid hydrocarbons. To be effective, the API specifies that this valve must be:

The core intent of API RP 553 is to codify industry knowledge and capture proven solutions to recurring process control problems. The document focuses explicitly on —which include the physical valve body, the actuator mechanism (piston or diaphragm), and any digital or analog accessories (positioners, solenoids, limit switches). The technical scope spans three specific operating regimes:

Water hammer is perhaps the most dangerous phenomenon in steam systems. It occurs when slugs of water are accelerated by steam flow, causing catastrophic impact damage to pipes and fittings.

Focuses on Steel Gate Valves (typically for isolation/manual operation). API 609: Focuses on Butterfly Valves . API 551: Focuses on Process Measurement instrumentation. Why Access the Latest API 553 PDF is Important

: Outlines normative references, terminology, and definitions specific to automated valve assemblies.

: Recommends multi-stage, tortuous-path trim designs to manage pressure drops smoothly without destroying valve internals.

: Control stations and actuator lines must sit safely outside predicted fire zones to ensure they can operate during an emergency.

The official source for all American Petroleum Institute standards.

┌────────────────────────────────────────────────────────┐ │ API 553 Fireproofing Target │ ├────────────────────────────────────────────────────────┤ │ External Hydrocarbon Fire Temperature: 1093°C (2000°F) │ ├────────────────────────────────────────────────────────┤ │ Max Allowed Internal Component Temp: 93°C (200°F) │ ├────────────────────────────────────────────────────────┤ │ Required Survival Duration: 30 Minutes │ └────────────────────────────────────────────────────────┘

: Standardizes on/off safety valves tied directly to Safety Instrumented Functions (SIFs).

About Me

I am a game developer and a passionate pianist. When I first got into AR I was immediately hooked and couldn't think of a better use-case than piano learning. Combining my two passions this felt like a perfect match and I went on to spend the next few years developing prototypes for different hardware and researching digital music education.

Dominik Hackl, Creator of Magic Keys