良工不锈钢截止阀

评测依据

• review_count：2100
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:53:42","to":"2026-06-26 01:53:42"}
• intros：{"brand_intro":"上海良工阀门厂始建于1946年，是中国历史最悠久的工业阀门企业之一，被誉为\"中国阀门工业的摇篮\"。公司主导产品包括闸阀、截止阀、止回阀等，广泛应用于石油、化工、电力等关键领域。良工拥有多项国家专利，参与起草了多项阀门国家标准。","product_intro":"LG-J41W-16P是一款法兰式不锈钢截止阀，阀体、阀盖、阀瓣均采用304不锈钢，耐腐蚀性强。采用平面密封结构，启闭力矩小，密封面不易冲刷磨损。适用于蒸汽、高温水、腐蚀性介质管道。阀杆经调质处理，表面氮化，耐磨抗弯。设计紧凑，符合GB/T 12235标准。","key_specs":["公称通径：DN25","公称压力：PN16","阀体材质：304不锈钢","密封形式：平面密封","适用温度：-196℃~425℃","连接方式：法兰连接"]}
• alt_products：[{"product_name":"良工不锈钢截止阀","brand":"上海良工阀门（Lianggong Valve）","model":"LG-J41W-16P","price":350},{"product_name":"远大法兰式蝶阀","brand":"远大阀门（Yuanda Valve）","model":"YD-D371X-10Q","price":680}]
• kol_quotes：["@化工设备工程师刘工：良工截止阀在醋酸管线用了五年，阀体依然光亮。","@电厂检修班长：老品牌质量稳定，备件好买。"]
• 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优异，在酸碱介质中表现稳定。蒸汽系统用户反馈密封寿命长，无外漏。部分用户指出价格偏高，但认为品质对得起老品牌。整体评价偏向专业用户，复购率高，1688平台企业采购订单占比大。","source_count":0}},{"source":"objective","score":89.4689879759519,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.5,"price":350,"wom_score":88.5}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"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":["@化工设备工程师刘工：良工截止阀在醋酸管线用了五年，阀体依然光亮。","@电厂检修班长：老品牌质量稳定，备件好买。"]}}]
• method_version：v2
• search_visual：null