{
  "category": "Strainers",
  "vertical": "pump-valve-and-process-equipment",
  "source": "https://getclaro.ai/resources/attribute-library/pump-valve-and-process-equipment/strainers/",
  "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": "strainer_type",
      "label": "Strainer Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Y-strainer (wye)"
    },
    {
      "key": "nominal_size_nps_dn",
      "label": "Nominal Size (NPS / DN)",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": "in / DN",
      "example_format": "2 in (DN50)"
    },
    {
      "key": "end_connection",
      "label": "End Connection",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Flanged, ASME B16.5 Class 150 RF"
    },
    {
      "key": "pressure_class",
      "label": "Pressure Class",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Class 150"
    },
    {
      "key": "body_material",
      "label": "Body Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASTM A351 CF8M (cast 316)"
    },
    {
      "key": "screen_element_material",
      "label": "Screen / Element Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "316 stainless steel"
    },
    {
      "key": "screen_opening_perforation_or_mesh",
      "label": "Screen Opening (Perforation or Mesh)",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": "in / mesh",
      "example_format": "1/16 in (1.6 mm) perforated"
    },
    {
      "key": "manufacturer_part_number_mpn",
      "label": "Manufacturer Part Number (MPN)",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "YS-2F150-SS-062"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "0614141001088"
    },
    {
      "key": "screen_open_area_ratio",
      "label": "Screen Open Area Ratio",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "number",
      "unit": null,
      "example_format": "3.0 (3:1)"
    },
    {
      "key": "micron_equivalent",
      "label": "Micron Equivalent",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "µm",
      "example_format": "1,588 µm (1/16 in perforation)"
    },
    {
      "key": "pressure_temperature_rating",
      "label": "Pressure–Temperature Rating",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "text",
      "unit": "psig",
      "example_format": "275 psig at 100 °F (Class 150, CF8M)"
    },
    {
      "key": "blowdown_drain_connection",
      "label": "Blowdown / Drain Connection",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": "in",
      "example_format": "1/2 in NPT, plugged"
    },
    {
      "key": "seal_gasket_material",
      "label": "Seal & Gasket Material",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "PTFE cover gasket"
    },
    {
      "key": "replacement_screen_mpn",
      "label": "Replacement Screen MPN",
      "group": "fit",
      "priority": "differentiating",
      "value_type": "identifier",
      "unit": null,
      "example_format": "SCR-2-062-316"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "United States"
    },
    {
      "key": "design_shell_test_standard",
      "label": "Design & Shell Test Standard",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASME B16.34 Class 150 body; hydrostatic shell test"
    },
    {
      "key": "potable_water_certification",
      "label": "Potable Water Certification",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "NSF/ANSI/CAN 61 & 372 certified"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Screen Opening (Perforation or Mesh)",
      "variants": [
        "1/16\"",
        "0.062 in",
        "062 PERF",
        "1.6 mm",
        "1/16 IN PERF",
        "1/16 PERF SS"
      ],
      "normalized": "1.6 mm (1/16 in) perforated"
    },
    {
      "attribute": "Body Material",
      "variants": [
        "SS316",
        "316SS",
        "CF8M",
        "A351 CF8M",
        "Stainless Steel 316",
        "Cast 316 SS"
      ],
      "normalized": "Stainless steel, ASTM A351 CF8M (cast 316)"
    },
    {
      "attribute": "End Connection",
      "variants": [
        "FLGD 150#",
        "Flanged ANSI 150 RF",
        "150LB RF FLG",
        "FL RF 150",
        "ANSI B16.5 150# RF",
        "150# RF FLGD"
      ],
      "normalized": "Flanged, ASME B16.5 Class 150 RF"
    }
  ]
}