{
  "category": "Centrifugal Pumps",
  "vertical": "pump-valve-and-process-equipment",
  "source": "https://getclaro.ai/resources/attribute-library/pump-valve-and-process-equipment/centrifugal-pumps/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "pump_configuration",
      "label": "Pump Configuration",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "End suction, frame-mounted (ESFM)"
    },
    {
      "key": "pump_size_designation",
      "label": "Pump Size Designation",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "2x3-8"
    },
    {
      "key": "suction_discharge_nozzle_size",
      "label": "Suction / Discharge Nozzle Size",
      "group": "fit",
      "priority": "core",
      "value_type": "text",
      "unit": "in",
      "example_format": "3 in suction x 2 in discharge"
    },
    {
      "key": "nozzle_flange_rating_facing",
      "label": "Nozzle Flange Rating & Facing",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASME Class 150, raised face"
    },
    {
      "key": "rated_flow",
      "label": "Rated Flow",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "gpm",
      "example_format": "350 gpm"
    },
    {
      "key": "rated_head",
      "label": "Rated Head",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "ft",
      "example_format": "150 ft"
    },
    {
      "key": "nominal_speed",
      "label": "Nominal Speed",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": "rpm",
      "example_format": "3550 rpm"
    },
    {
      "key": "motor_power",
      "label": "Motor Power",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "hp",
      "example_format": "30 hp"
    },
    {
      "key": "casing_material",
      "label": "Casing Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "316 SS (CF8M)"
    },
    {
      "key": "impeller_material",
      "label": "Impeller Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "316 SS (CF8M)"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "ESP-2X3-8-SS-30"
    },
    {
      "key": "impeller_diameter_trim_range",
      "label": "Impeller Diameter & Trim Range",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "text",
      "unit": "in",
      "example_format": "6.5–8.0 in (rated 7.25 in)"
    },
    {
      "key": "npsh_required_at_rated_flow",
      "label": "NPSH Required at Rated Flow",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "ft",
      "example_format": "12 ft"
    },
    {
      "key": "maximum_allowable_working_pressure",
      "label": "Maximum Allowable Working Pressure",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psig",
      "example_format": "275 psig at 100 °F"
    },
    {
      "key": "maximum_liquid_temperature",
      "label": "Maximum Liquid Temperature",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "°F",
      "example_format": "350 °F"
    },
    {
      "key": "shaft_sealing_arrangement",
      "label": "Shaft Sealing Arrangement",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Single cartridge mechanical seal"
    },
    {
      "key": "design_standard",
      "label": "Design Standard",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASME B73.1"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "United States"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Casing Material",
      "variants": [
        "316SS",
        "316 S.S.",
        "SS316",
        "CF8M",
        "Stainless Steel 316",
        "A743 CF8M"
      ],
      "normalized": "316 SS (CF8M)"
    },
    {
      "attribute": "Nozzle Flange Rating",
      "variants": [
        "150#",
        "Class 150",
        "ANSI 150",
        "150 lb RF",
        "150 RF",
        "B16.5 Cl.150"
      ],
      "normalized": "ASME Class 150 RF"
    },
    {
      "attribute": "Pump Configuration",
      "variants": [
        "End Suction",
        "ESFM",
        "End Suction Frame Mount",
        "Horizontal End Suction",
        "End-suction, frame mtd",
        "End suction, frame-mounted"
      ],
      "normalized": "End suction, frame-mounted (ESFM)"
    }
  ]
}