阀体
型式:直通扁平偏置式铸造阀体
公称通径:DN50~1600(NPS2~64)
公称压力:PN 16~40(Clsaa150~600)
连接方式:法兰式、对夹式。
阀体材质: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)型:250~600℃
低温(加长)型:-46~-29℃
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
阀内组件
阀板型式:三偏心旋转式
阀座型式:多层次复合密封、软密封、金属硬密封
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:近似等百分比
可调比:30:1
额定Cv值:详见表3
额定行程:0~60°或0~90°
阀座泄露等级:硬密封:ANSI ClassIV、V级
软密封、多层次复合密封:ANSI ClassVI级
外形尺寸:详见表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/T12224 GB/T12238 JB/T8527 | GB/T12221 | GB/T9112~9124 HG/T20592~20635 SH3406JB/T79 | GB/T9124 GB/T12224 | JB/T9092 GB/T13927 | GB/T4213 |
美标 American Standard | API609 | API609 | ASME B16.5 ASME B16.47 | ASME B16.34 | API598
| ANSI/FCI70-2 ASME B16.104 |
其他国家标准 Other national standards |
| JIS B2002 ISO5752 | EN1092 |
|
|
|
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、调节Shut off 、Adjust | 切断、调节Shut off 、Adjust | |
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 | 切断:24VDC,220VAC 带定位器调节:4~20mA、4~20mA+HART 带定位器调节:按GB/T4213-2008,带定位器指标“C”级,基本误差:±2.0%,回差:≤2.0%,死区:≤0.8%,全行程误差: ≤+2.5% Shut off: 24VDC, 220VAC Control with positioner: 4~20mA, 4~20mA+HART Control with positioner: with positioner index class "C" in accordance with GB/T4213-2008, intrinsic error: ˇ2.0%, hysteresis error: ˇ2.0%, dead band: ˇ0.8%, full travel error: ˇ+2.5% | 切断:开/关 调节:4~20mA Shut off: On / Off Adjust: 4 ~ 20mA | |
动作方式 Action type | 切断:电磁阀通电阀开或阀关 调节:随定位器输入信号增加阀开或阀关 Shut off: When the solenoid valve is powered on, the valve is on or off. Adjust: The valve is on or off with the increase of positioner input signal. | 切断:通电阀开或阀关 调节:随输入信号增加阀开或阀关 Shut off: The valve is on or off when powered on Adjust: with the input signal increases valve opening or valve off | |
允许环境温度 Allowable ambient temperature | -40℃~+80℃ | -40℃~+80℃ | |
附件 Accessories | --------- Hand operated mechanism, solenoid valve, electric/pneumatic valve positioner, transponder switch, air filtering pressure relief valve, speed increaser, position holding valve, air control valve, etc. | 手动机构、回讯开关、输入/输出模拟信号、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. | |
|
|
|
外形尺寸
法兰式结构
图4-1三偏心蝶阀配AT/ATK型执行机构(FO/FC)
图4-2三偏心蝶阀配AW型双作用气缸执行机构
图4-3三偏心蝶阀配AWS型单作用弹簧复位执行机构(FC)
图4-4三偏心蝶阀配AWS型单作用弹簧复位执行机构(FO)
图4-6三偏心蝶阀配AT/ATK型执行机构(FO/FC)
图4-7三偏心蝶阀配AW型双作用气缸执行机构
图4-8三偏心蝶阀配AWS型单作用弹簧复位执行机构(FC)
图4-9三偏心蝶阀配AWS型单作用弹簧复位执行机构(FO)