{
  "schema": "native-teaching-figure/v1",
  "anchor": "c20-branch-interface-geometry",
  "variants": {
    "reduced_fitting": {
      "function": "local run-to-outlet pressure attachment",
      "on_plot_max_DN": 75,
      "on_plot_ratio_max": "1/3",
      "off_plot_max_DN": 50,
      "off_plot_ratio_max": "1/4",
      "minimum_DN": 25,
      "exclusion": "vibration expected"
    },
    "reinforced_set_on": {
      "pressure_connection": "run to branch",
      "sleeve": "non-fluid-wetted reinforcement in selected illustration",
      "branch_flange": "omitted only from view",
      "category": "larger branch alternative under selected design",
      "set_on_size": "one nominal size smaller thanrun except stopple",
      "opening": "smaller thanbranchID"
    },
    "preformed_split_tee": {
      "pressure_component": "fullpipelinepressure designed shell/outlet",
      "joining": "longitudinal andend functions remain distinct",
      "annulus": "can contactprocess afterperforation; fluid-dependentcrevicecorrosion",
      "applications": [
        "plug/pigging interface",
        "fullborestopple"
      ]
    }
  },
  "separate_eligibility_route": {
    "corrosive_steam": "excluded wherecrevicecorrosionaccelerated",
    "default": "temporary replacement/regulatoryroute",
    "nonexpansible_fluid": "separate permanentconsideration with requiredconsultation"
  },
  "load_context": {
    "selected_factor": 2,
    "applies_to": "calculated tapping-load stress contribution, combinedwithpressurestress",
    "not": "actualweightdoubling or universalallloads factor"
  },
  "diagram": "qualitativecontact/functions; not reinforcement sizing"
}