不锈钢常压人孔

评测依据

• review_count：980
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:52:01","to":"2026-06-26 01:52:01"}
• intros：{"brand_intro":"上海良工阀门厂有限公司创立于1946年，是国内老牌工业阀门及密封件制造商，拥有国家特种设备制造许可证。其产品覆盖石油、化工、电力等领域，以严谨的工艺和长寿命著称，在工业密封件领域享有'老字号'口碑。","product_intro":"该常压人孔采用316L不锈钢制造，适用于腐蚀性介质环境。配备EPDM密封垫，耐老化性能优异。吊环式螺栓紧固结构，密封可靠，适用于储罐顶部或侧壁开口，广泛用于化工储罐、水处理设备及船舶工程。","key_specs":["公称直径：500mm","材质：316L不锈钢","密封圈材质：EPDM","工作压力：常压（0.1MPa）","工作温度：-40℃~150℃","连接方式：焊接式"]}
• alt_products：[{"product_name":"不锈钢常压人孔","brand":"上海良工","model":"LG-RK-500","price":920},{"product_name":"压力容器快开人孔","brand":"浙江超达","model":"CD-RK-600","price":1580},{"product_name":"椭圆人孔（带视镜）","brand":"江苏华英","model":"HY-RK-450x350","price":1250}]
• kol_quotes：["@化工设备专家：316L材质在氯离子环境下表现优异，比304耐用很多。","@水处理工程师：EPDM垫片寿命长，适合户外储罐。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":88.5,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"化工行业用户评价其耐腐蚀性强，在酸碱环境下使用两年未见锈蚀。密封垫弹性持久，多次开合后仍保持密封。部分用户反映螺栓数量偏多，安装稍费时，但整体牢固度令人满意。天猫旗舰店评分4.6，售后响应及时。","source_count":0}},{"source":"objective","score":89.47249791492911,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.5,"price":920,"wom_score":88.5}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":980,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@化工设备专家：316L材质在氯离子环境下表现优异，比304耐用很多。","@水处理工程师：EPDM垫片寿命长，适合户外储罐。"]}}]
• method_version：v3
• search_visual：null