{
    "_meta": {
        "supplier": "GVA",
        "type": "Tube",
        "model": "ELASTOX-R",
        "stdAir": { "temp_C": 20, "pressure_bar": 1.01325, "RH_pct": 0 },
        "coverageBasis": "bottom-coverage-pct",
        "coverageReference": null,
        "dataQuality": "point",
        "xAxisBasis": "per-element-Nm3h",
        "yAxisBasis": "ssotr-g-per-Nm3-per-m",
        "waterDepth_m": null,
        "note": "Migrated 2026-05-12 from nodes/diffuser/src/specificClass.js _loadSpecs(). The legacy hardcoded data was tagged '2.4 elements/m²' by a prior agent; the originating vendor data was always intended as % surface-area coverage but the original test-bench coverage was not preserved when the numbers were inlined. Treat as a single-coverage point estimate (key '0' = unspecified). Do not extrapolate across density. SSOTR in g O2 / (Nm3 air * m of submergence)."
    },
    "otr_curve": {
        "0": {
            "x": [2, 3, 4, 5, 6, 7, 8, 9, 10],
            "y": [26, 25, 24, 23.5, 23, 22.75, 22.5, 22.25, 22]
        }
    },
    "p_curve": {
        "0": {
            "x": [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
            "y": [40, 42.5, 45, 47.5, 50, 51.5, 53, 54.5, 56, 57.5, 59]
        }
    }
}