产品结构特点 Construction features 1、操作省力:介质压力在球体上产生作用力全部传递给上下轴承,球体不会相对位置移动,两端阀座密封受力均匀,操作力矩低。 产品特征 Spericfications 适用介质:水、气、油品、天然气和酸碱腐蚀性介质 技术规范 Technical specification 试验压力 Test prssure
2、采用弹簧预加载荷的可动金属阀座结构,能适用高温、高压以及各种介质管路。
3、根据客户要求,可以设计能适用于含颗粒、料浆等介质。
4、广泛适用于食品、医药、石油、化工、天然气、钢铁、环保、造纸等介质管路。
1. Operation saving force: the force of the medium pressure on the sphere is transmitted to the upper and lower bearings, the ball will not move relative position, the seating seal on both ends is uniform and the operating moment is low.
2. The movable metal seat structure with spring preloading can be used for high temperature, high pressure and various medium pipes.
3. According to customer requirements, it can be designed to be suitable for particles, slurry and other media.
4. It is widely used in food, medicine, petroleum, chemical, natural gas, steel, environmental protection, paper, etc.
适用温度:-196~350℃
驱动方式:手动、气动、电动、液动等
公称压力:1.0~4.0MPa
公称通径:DN50~1200mm
Applicable media: water, gas, oil, gas and acid and alkali corrosive medium
Applicable temperature: -196~350℃
Driver: manual, pneumatic, electric, hydraulic, etc
Nominal pressure: 1.0~4.0MPa
Nominal size: DN50~1200mm设计依据 Design reference GB系列 GB series 设计标准 Design standard GB/T12237 GB/T21385 结构长度 Face to face GB/T12221 连接法兰 End flange GB/T9113 HG20592 试验和检验 Test & inspection GB/T 26480 压力等级
Pressure grade试验压力 Test pressure 公称压力 PN
Nominal pressure壳体试验
Sheil test正密封试验
Sealing test反密封试验
Sealing test气密封试验
Air seal test1.0 1.5 1.1 1.1 0.6 1.6 2.4 1.76 1.76 0.6 2.5 3.75 2.75 2.75 0.6 4.0 6.0 4.4 4.4 0.6 6.3 9.45 6.93 6.93 0.6 10.0 15.0 11.0 11.0 0.6 16.0 24.0 17.6 17.6 0.6
主要零件和材质 Main parts and materials序号
NO零件名称
Accessor name材质 Material GB系列 1 阀体 Body WCB, CF8, CF3, CF8M, CF3M 2 阀盖 Bonnet WCB, CF8, CF3, CF8M, CF3M 3 球体 Ball (F304, F316, F316L, A105)+Ni60 4 阀座 Seat (F304, F316, F316L, A105)+STL 5 阀杆 Stem 20Cr13, 304, 304L, 316, 316L 6 弹簧 Spring 17-7PH, Inconel750 7 密封圈 Sealing ring 石墨 8 填料压盖 Gland WCB, CF8, CF8M 9 支架 Yoke WCB, CF8 10 填料 Packing 石墨 11 中垫 Gasket 不锈钢+石墨 12 固定轴 Seat ring 20Cr13, 304, 304L, 316, 316L 13 后盖 Bottom cover A105, F304, F316 14 轴套 Bush bearing 自润滑复合轴套 304/316+HF 15 螺柱 Bonnet bolt 35#, 304, 316, 316L 16 螺母 Nut 45#, 304, 316, 316L
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