格瑞德GRD-CAV定风量阀

评测依据

• review_count：560
• rating_avg：4.3
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:22:51","to":"2026-06-26 01:22:51"}
• intros：{"brand_intro":"格瑞德集团成立于1993年，是中国本土暖通空调设备制造商，总部位于山东德州。品牌以\"高性价比+快速交付\"为核心竞争力，产品覆盖通风、空调、净化等多个领域。定风量阀产品线丰富，价格亲民，在中小型工程、民用建筑和工业厂房中应用广泛，是国内市场销量领先的国产品牌之一。","product_intro":"GRD-CAV-1500是一款机械式定风量阀，采用镀锌钢板阀体与橡胶膜片结构，风量控制精度±10%。支持DN100-DN300口径，适用于一般通风系统、办公室和车间。出厂前逐台标定，现场无需调试，安装简便。价格仅为进口品牌的1/3，是预算敏感型项目的首选。","key_specs":["风量控制精度：±10%","工作压差范围：50-600 Pa","适用风量范围：40-1200 m³/h","阀体材质：镀锌钢板","接口口径：DN100-DN300","工作温度：-10°C至50°C"]}
• alt_products：[{"product_name":"格瑞德GRD-CAV定风量阀","brand":"格瑞德（Grad）","model":"GRD-CAV-1500","price":980},{"product_name":"科禄格CAV-2000定风量阀","brand":"科禄格（Kruger）","model":"CAV-2000","price":1200},{"product_name":"妥思TVJ系列定风量阀","brand":"妥思（TROX）","model":"TVJ","price":1850}]
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• method_version：v2
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