流路畅通：流阻小、压降小、流量大
耐磨性强：球体喷涂硬质合金，阀座密封面堆焊硬质合金
防火防静电：满足API607要求，设有防静电装置
主要技术参数
型式：二组合式、三组合式
公称通径：DN15~600(NPS1/2~24)
公称压力：PN1.6～10.0MPa(Class150～600)
连接方式：法兰式
材质：A216-WCB、A351-CF8、A351-CF8M、A351-CF3、
A351-CF3M、A217-WC6、A217-WC9
阀盖：标准型：-29~250℃
高温(散热片)型：250~525℃
低温（加长）型：-29~-20℃、-196~-46℃
各种材料的使用温度、压力范围，详见表3
填料：PTFE、柔性石墨、镍基丝增强柔性石墨
阀芯型式：O型直通式
阀芯材质：A182-F304、A182-F316
阀座材质：软密封：PTFE、RPTFE、PPL
硬密封：A182-F304、A182-F316
阀体、阀芯、阀座、阀杆等材质组合、
表面处理请参见表3
流量特性：快开特性
额定Kv值：详见表4
额定行程：0~90°
阀座泄露等级：软密封： ANSI B16.104 Ⅵ 级；
硬密封：ANSI B16.104V级
（硬密封Ⅵ 级作为特殊订货）
外形尺寸：详见表 7-1 ~ 7-8
表1：设计、制造标准规范
| 标准 Standard | 设计与制造 Design and manufacturing | 结构长度 Face-to-face dimensions | 法兰尺寸 Flange dimensions | 压力温度等级 Pressure and temperature ratings | 检验与试验 Inspection ａnd testing | 泄漏等级 Leakage class |
| 国家标准与 行业标准 National standards and industry standards | GB/T12237 JB/T7745 | GB/T12221 | GB/T9112~9124 HG/T20592～20635 SH3406 JB/T79
| GB/T9124 GB/T12224 | JB/T9092 GB/T13927 | GB/T4213 |
| 美标 American Standard | API608 API6D
| ASME B16.10 API6D | ASME B16.5 ASME B16.47
| ASME B16.34
| API598 API6D | ANSI/FCI70-2 ASME B16.104 |
表2: 执行机构
|
型号 Model 项目Item | 气缸执行机构 Cylinder actuator | 电动执行机构 Electric Actuator | |
| AT/AW | ATK/AWS | 根据订货需求确定 Determined according to ordering requirements | |
| 双作用 Double-acting | 单作用 Single action | ||
| 用途 Usage | 切断 Shut off | 切断 Shut off | |
| 动力源 Power supply | 气源：0.4～0.7MPa（G） Air supply: 0.4 ~ 0.7MPa (G) | 电源：220VAC/50HZ,380VAC/50HZ Power: 220VAC / 50HZ, 380VAC / 50HZ | |
| 接口 Connection | 气源接口：NPT1/4-Φ8, NPT3/8-Φ12, NPT1/2-Φ16 我公司所有气动阀门提供与用户气源管线连接的卡套接头（尺寸详见气动阀门规格书），气源卡套接头也可以根据用户要求进行选配。 All pneumatic valves of our company are provided with ferrule fittings connected to air supply pipelines of users. (See the specification of pneumatic valves for the sizes.) The ferrule fittings for air supply can also be supplied according to user requirements. | 电气接口:随电动执行机构配置或用户要求 Electrical Connection: With electric actuator configuration or user requirements | |
| 输入信号 Input signal | 开关：24VDC,220VAC On-off: 24VDC, 220VAC | 根据订货需求确定 Determined according to ordering requirements | |
| 动作方式 Action type | 切断：电磁阀通电阀开或阀关Shut off: When the solenoid valve is powered on, the valve is on or off. | 切断：通电阀开或阀关 Shut off: The valve is on or off when powered on. | |
| 允许环境温度 Allowable ambient temperature | -40℃～+80℃ | -40℃～+80℃ | |
| 附件 Accessories | 手动机构、电磁阀、回讯开关、空气过滤减压阀、保位阀、气控阀及其他 Hａnd operated mechanism, solenoid valve, transponder switch, air filtering pressure relief valve, position holding valve, air control valve, etc. | 手动机构、回讯开关、输入/输出开关信号、浪涌保护器、就地开关、选择开关及其他 Hａnd operated mechanism, transponder switch, input/output switch signal, surge protector, local switch, selector switch, etc. | |
表3: 阀体、阀内件材质组合及使用温度范围
表3-1阀体材质：碳钢（A216-WCB）、高温合金钢（A217-WC6）
| 密封型式 Seal type | 软密封 Soft seal | 金属硬密封 Metal hard seal | 金属硬密封 Metal hard seal | |
| 阀体材质 Body material | A216-WCB | A217-WC6 | ||
| 阀芯 Plug | 材质 Material | A182-F304/F316 | A182-F304/F316 | A182-F304/F316 |
| 处理 Treatment | 表面抛光 Surface polishing | 表面喷焊镍基合金 Surface nickel-based alloy spray welding | 表面喷焊镍基合金 Surface nickel-based alloy spray welding | |
| 阀座 Seat | 材质 Material | PTFE、RPTFE、PPL | A182-F304/A182-F316 | A182-F304/A182-F316 |
| 处理 Treatment |
| 密封面喷焊镍基合金 Sealing face nickel-based alloy spray welding | 密封面喷焊镍基合金 Sealing face nickel-based alloy spray welding | |
| 阀杆 Stem | 材质 Material | 17-4PH/304SS/316SS | 17-4PH/XM-19 | 17-4PH/XM-19 |
| 处理 Treatment | 调质/固溶+时效处理 Quenching and tempering/solid solution + aging treatment | |||
| 螺栓 Bolt | 材质 Material | A193 B7 | A193 B7 | A193 B16 |
| 处理 Treatment | 调质 Quenching and tempering | |||
| 螺母 Nut | 材质 Material | A194 2H | A194 2H | A194 7 |
| 处理 Treatment | 调质 | |||
| 使用温度范围（℃） Working Temperature range(Ў) | -29~200 | -29~425 | -29~525 | |
表3-2 阀体材质：低温碳钢（A352-LCB）、不锈钢（A351-CF8 A351-CF8M）
| 密封型式 Seal type | 软密封 Soft seal | 金属硬密封 Metal hard seal | 软密封 Soft seal | 金属硬密封 Metal hard seal | |
| 阀体材质 Body material | A352-LCB | A351-CF8、A351-CF8M | |||
| 阀芯 Plug | 材质 Material | A182-F304/F316 | A182-F304/F316 | A182-F304/F316 | A182-F304/F316 |
| 处理 Treatment | 表面抛光 Surface polishing | 表面喷焊镍基合金 Surface nickel-based alloy spray welding | 表面抛光 Surface polishing | 表面喷焊镍基合金 Surface nickel-based alloy spray welding | |
| 阀座 Seat | 材质 Material | PTFE、RPTFE、PPL | A182-F304/F316 | PTFE、RPTFE、PPL | A182-F304/F316 |
| 处理 Treatment |
| 密封面喷焊镍基合金 Sealing face nickel-based alloy spray welding |
| 密封面喷焊镍基合金 Sealing face nickel-based alloy spray welding | |
| 阀杆 Stem | 材质 Material | 17-4PH/304SS/316SS | 17-4PH/XM-19 | 17-4PH/304SS/316SS | 17-4PH/XM-19 |
| 处理 Treatment | 调质/固溶+时效处理 Quenching and tempering/solid solution + aging treatment | ||||
| 螺栓 Bolt | 材质 Material | A320 L7 | A320 L7 | A320 B8/A320 B8M | A320 B8/A320 B8M |
| 处理 Treatment | 调质 Quenching and tempering | 固溶 solid solution | |||
| 螺母 Nut | 材质 Material | A194 4 | A194 4 | A194 8/A194 8M | A194 8/A194 8M |
| 处理 Treatment | 调质 Quenching and tempering | 固溶 solid solution | |||
| 使用温度范围（℃） Working Temperature range(Ў) | -46~200 | -46~345 | -196~200 | -196~525 | |
表4: "O”型球阀额定流量系数Kv值
| 公称通径DN(mm) Nominal diameter(mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| 流通能力 Kv值 Flow capacity Kv value | 17 | 20 | 72 | 110 | 170 | 270 | 400 | 510 | 940 | 1400 | 2200 | 3500 | 5000 | 7590 | 10847 | 17874 | 21300 | 32500 | 44850 |
球阀主要零部件分解图
表5: 主要零件表
| 1 | 内六角螺钉 Inner hexagon screw | 7 | 阀座弹簧 Seat spring | 13 | 螺栓 Bolt | 19 | 填料 Packing | 25 | 填料 Packing | 31 | AT气动执行机构 AT pneumatic actuator |
| 2 | 端盖 End cover | 8 | 压座 Pressure seat | 14 | 金属垫 Metal gasket | 20 | 填料垫片 Packing gasket | 26 | 填料压盖 Packing gland |
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| 3 | 密封垫片 Sealing gasket | 9 | 密封圈 Seal ring | 15 | 六角螺母 Hexagon nut | 21 | O型圈 O-ring | 27 | 填料压板 Packing flange |
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| 4 | 定位轴 Positioning shaft | 10 | 阀座 Seat | 16 | 阀盖 Bonnet | 22 | 填料座 Packing seat | 28 | 六角螺母 Hexagon nut |
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| 5 | 自润轴承 Self-lubricating bearing | 11 | O型圈 O-ring | 17 | 阀杆 Stem | 23 | 内六角螺钉 Inner hexagon screw | 29 | 内六角螺钉 Inner hexagon screw |
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| 6 | 阀体 Body | 12 | 球体 Ball | 18 | 定位销 positioning pin | 24 | 螺栓 Bolt | 30 | 支架 Yoke |
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图6-1“O”型球阀a配AT/ATK型执行机构
图6-2“O”型球阀配AWS型单作用弹簧复位气缸执行机构
图 6-3 "O" 型球阀配AW型双作用气缸执行机构
图6-4“O”型球阀配AW系列双作用气缸执行机构带液压手动机构
