良工 不锈钢压力表阀 Y-60B

评测依据

• review_count：2100
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_quality
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 01:55:21","to":"2026-06-26 01:55:21"}
• intros：{"brand_intro":"上海良工阀门厂有限公司创建于1946年，是中国阀门行业历史最悠久的品牌之一。公司专注于高中压阀门制造，产品涵盖闸阀、截止阀、止回阀及仪表阀等。良工以\"良工阀门，精益求精\"为宗旨，拥有多项行业标准制定参与经验，在石油、化工、电力等领域享有盛誉，是国产阀门中的\"老字号\"。","product_intro":"良工Y-60B不锈钢压力表阀专为液压及气动系统设计，用于压力表的隔离与保护。阀体采用304不锈钢精密铸造，耐腐蚀性强，最大工作压力25MPa。该阀门采用锥面密封结构，启闭力矩小，密封可靠。其标准M20×1.5螺纹接口可适配绝大多数国产压力表，适用于液压油、水、气体等介质，是工业管道系统的标准配置。","key_specs":["材质：304不锈钢（精密铸造）","最大工作压力：25MPa","连接螺纹：M20×1.5","适用介质：液压油、水、气体","工作温度：-20℃~+150℃","密封形式：锥面密封"]}
• alt_products：[{"product_name":"良工 不锈钢压力表阀 Y-60B","brand":"上海良工阀门厂有限公司","model":"Y-60B","price":95},{"product_name":"上仪 Y-100 不锈钢压力表阀","brand":"上海自动化仪表有限公司（上仪）","model":"Y-100","price":85},{"product_name":"华液 液压压力表开关 KF-L8/20E","brand":"宁波华液机器制造有限公司","model":"KF-L8/20E","price":65}]
• kol_quotes：["\"良工Y-60B是很多设计院图纸上的标配，品质经过时间检验。\"——知乎机械工程师@设计老张","\"在化工厂，压力表阀我只选良工，省心。\"——工控论坛@化工仪表工"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中在\"品牌信赖\"和\"做工精细\"上。很多老用户表示良工阀门在化工、制药行业使用多年，从未出现泄漏。部分用户提到该阀开关手感顺滑，螺纹配合度高，安装省力。天猫旗舰店评分4.7，常见好评包括\"老牌子，质量稳定，值得多花点钱\"。少数用户反馈价格略高，但认可其长期可靠性。","source_count":2}},{"source":"objective","score":91.51999999999998,"weight":0.55,"confidence":0.8,"details":{"rating_avg":4.6,"review_count":2100,"wom_score":90.79999999999998}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":2100,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"良工Y-60B是很多设计院图纸上的标配，品质经过时间检验。\"——知乎机械工程师@设计老张","\"在化工厂，压力表阀我只选良工，省心。\"——工控论坛@化工仪表工"]}}]
• method_version：v3
• search_visual：null