{
  "product_id": "JL-0187",
  "source_model": "H14W",
  "title": "旋启式止回阀",
  "category_path": [
    "手动阀门",
    "止回阀"
  ],
  "description": "旋启式止回阀。型号：H14W。公开规格：公称压力：PN1.6,2.5,4.0,6.4MPa；强度试验压力：PT2.4,3.8,6.0,9.6,MPa；高压密封试验压力：1.8,2.8,4.4,7.1MPa；适用介质：H14W-(16-64)C 水、油品、气 H14W-(16-64)P 硝酸类 H14W-(16-64)R 醋酸类；适用温度：-20~180℃。",
  "specifications": [
    [
      "公称压力",
      "PN1.6,2.5,4.0,6.4MPa"
    ],
    [
      "强度试验压力",
      "PT2.4,3.8,6.0,9.6,MPa"
    ],
    [
      "高压密封试验压力",
      "1.8,2.8,4.4,7.1MPa"
    ],
    [
      "适用介质",
      "H14W-(16-64)C 水、油品、气 H14W-(16-64)P 硝酸类 H14W-(16-64)R 醋酸类"
    ],
    [
      "适用温度",
      "-20~180℃"
    ]
  ],
  "drawing_status": "missing_source_dimensions",
  "drawing_status_label": "待补资料",
  "dimension_gap_reason": "产品页面未提供外形尺寸图或可提取尺寸表；关联资料未发现可可靠套用到此配置的完整尺寸依据。",
  "source_url": "https://www.juliang.cn/products/manual-valve/check/187.html",
  "source_date": "2026-10-23",
  "dimension_notice": "尺寸重绘资料仅供选型参考，实际配置与安装尺寸需技术确认。",
  "main_image": "/static/uploads/juliang_20261026/assets/manual-valves/manual-valves-04fe48c8/JL-0187/main.png",
  "drawings": []
}