榆次液压调速阀

评测依据

• review_count：420
• rating_avg：4.3
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:55:27","to":"2026-06-26 01:55:27"}
• intros：{"brand_intro":"榆次液压成立于1958年，是中国最早的液压元件专业制造厂之一，位于山西榆次。拥有超过60年液压阀制造经验，产品涵盖方向阀、压力阀、流量阀等。榆次液压以稳定可靠、价格亲民著称，广泛应用于农业机械、矿山机械等传统行业，是中国液压工业的'老字号'。","product_intro":"榆次QY-10B调速阀是一款经济型二通流量控制阀，采用滑阀式结构，通过节流口面积变化调节流量。适用于对精度要求不高的低速轻载场合，如小型打包机、农用机械等。阀体采用灰铸铁，结构简单，维护方便。虽然性能参数不如高端品牌，但胜在价格低廉、供货稳定。","key_specs":["最大工作压力：250 bar","流量范围：0.5-40 L/min","调节方式：手轮","工作温度：-10°C至+60°C","连接螺纹：G1/4至G1/2","重量：约0.8-1.5 kg"]}
• alt_products：[{"product_name":"榆次液压调速阀","brand":"榆次液压（Yuci）","model":"QY-10B","price":450},{"product_name":"华德液压调速阀","brand":"华德液压（Huade）","model":"2FRM6-3X/...","price":680}]
• kol_quotes：["榆次液压是'中国液压的摇篮'，QY系列是经典中的经典。","在农用打包机上，榆次阀用十年不坏，性价比无敌。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":75.9,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其价格非常实惠，适合预算极低的简单应用。流量控制基本满足低速需求，但高压下稳定性一般。部分用户反映密封件寿命较短，需定期更换。整体故障率在可接受范围内，配件容易购买。适合对精度要求不高的农业机械、简易液压站等场景，是入门级用户的常用选择。","source_count":0}},{"source":"objective","score":77.64696392785571,"weight":0.55,"confidence":0.5,"details":{"rating_avg":4.3,"price":450,"wom_score":75.9}},{"source":"user_review","score":86,"weight":0.15,"confidence":1,"details":{"rating_avg":4.3,"review_count":420,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["榆次液压是'中国液压的摇篮'，QY系列是经典中的经典。","在农用打包机上，榆次阀用十年不坏，性价比无敌。"]}}]
• method_version：v2
• search_visual：null