口径范围：1/2""~24""(DN15~DN600)压力等级：ASME CLASS 150~4500(PN16~PN760)主体材料：碳钢、不锈钢、合金钢连接形式：BW,SW,RF操作方式：手柄、齿轮箱、气动、液动、电动
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