口径范围：2""~24""(DN50~DN600）压力等级：ASME CLASS 150~4500（PN16~PN760）主体材料：碳钢、不锈钢、合金钢及双相钢、低温钢、镍基、钛合金等连接方式：RF, BW, RTJ等操作方式:手动、齿轮驱动、气动、电动及液动等
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