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Flowserve美国福斯数字定位器
LOGIX 520MD+
美国福斯凭借业界种类齐全的阀门、执行器、定位器、控制器和开关产品，以及广泛的研发、工程和全球服务，福斯为各种应用环境提供完整、周密、精益求精的流体控制方案。 福斯阀门帮助客户提高设施运转效率，实现生产目标。我们在化学品、电力、石油化工制品、和应用领域、炼制、纸浆和纸张、城市用水系统和其他加工工业有着丰富的时间经验。
行 业
能源、油气、化工、通用、水利
应 用
能源核能蒸汽发电联合循环发电太阳能发电生物&废弃物地热油&气勘探与开采管道运输炼化加工化工常规特殊化学生物燃料制药水清水污水灌溉水利常规工业造纸采矿金属冶炼食品玉米湿磨及制乙醇其它
设计标准
Intrinsically Safe Class I, Div 1 Groups A-D, Ex ia IIC, AEx ia IIC
Non-Incendive Class I, Div 2 Groups A-D, Ex nA IIC, AExnA IIC
SIL 3
| Code | Example | ||
| Base Model | Intrinsically Safe, IP-66 | 5 | 5 |
| Communications and Diagnostics |
HART; 8-DIP Set-Up with LCD Option; Standard (Basic Functionality)1,2 | 20MD+ | 20MD+ |
| HART; 8-Dip Set-Up with LCD Option; Advanced (With Pressure Sensing)1,2 | 21MD+ | ||
| HART; 8-Dip Set-Up with LCD Option; Pro (With Full ValveSight Diagnostics)1 | 22MD+ | ||
| Certifications | General Purpose | 14 | 14 |
| North America/ATEX/IECEx Intrinsically Safe Cl I Div 1 Gr A,B,C,D Ex ia IIC / Non-Incendive (North America only) Cl I Div 2 Gr A,B,C,D | 37 | ||
| Positioner Configuration | - | ||
| Housing | Aluminum - Black Base with White Cover | W | W |
| Aluminum - Black Base with Yellow Cover | Y | ||
| Aluminum - Black Base with Black Cover (Automax) | B | ||
| Aluminum - Black Base with Black Cover (Accord) | A | ||
| Threaded Connections | Mounting: 5/16" 18 UNC, Pneumatics: 1/4" NPTF, Conduit: 1/2" NPTF, Vents 1/4" NPTF | 1 | 1 |
| Mounting: M8 x 1.25, Pneumatics: 1/4" NPTF, Conduit: M20 x 1.5, Vents 1/4" NPTF | 2 | ||
| Mounting: M8 x 1.25, Pneumatics: G1/4", Conduit: M20 x 1.5, Vents G1/4" | 3 | ||
| Feedback Shaft | D - 316 Stainless Steel Shaft (Valtek Standard) | D | D |
| NAMUR - 316 Stainless Steel Shaft (VDI/VDE 3845) | R | ||
| Action | Three-way (Single-Acting), Poppet Style Relay | 1 | 1 |
| Three-way (Single-Acting), Spool Style Relay | 2 | ||
| Four-way (Double-Acting), Spool Style Relay | 3 | ||
| Position Indicator | No Indicator | 0 | F |
| Flat Indicator | F | ||
| Domed Indicator | D | ||
| Special Options | No special options | 0 | 0 |
| Chinese configuration7 | |||
| Optional Mechanical Add-Ins | - | ||
| Manifold | No Manifold6 | 0 | GM |
| Gauge Manifold - Aluminum | GM | ||
| Gauges | No Gauges | 0 | 1 |
| Nickel Plated with Brass Internals, psi (bar/kPa) (Valtek Standard) | 1 | ||
| Nickel Plated with Brass Internals. psi (kg/cm2 ) | 2 | ||
| SS with SS Internals. psi (bar/kPa) | 3 | ||
| SS with SS Internals. psi (kg/cm2 ) | 4 | ||
| UCC Press Test Plug, 1/8" NPT | A | ||
| Valve, Tank, Schrader 645A | B | ||
| Optional Electronic Add-Ins | - | ||
| Display | No LCD | 0 | 1 |
| LCD | 1 | ||
| Auxiliary Card Slot 1 | Slot 1 - No Card | 0 | 1 |
| Slot 1 - Multi-Function Card3 | 1 | ||
| Auxiliary Card Slot 2 | Slot 2 - No Card | 0 | 0 |
| Slot 2 - Multi-Function Card3 | 1 | ||
| Limit Switches | No Switches | 0 | 3 |
| Mechanical Limit Switch4 | 1 | ||
| Reed Switch | 2 | ||
| Namur V3 type proximity switch, P+F NJ2-V3-N4 | 3 | ||
| Slot Type NAMUR Sensor, P+F SJ2 S1N4 | 4 | ||
| Slot Type NAMUR Sensor, P+F SJ2 SN4 | 5 | ||
| Namur V3 type proximity switch, P+F NBB2-V3-E24 | 6 | ||
| Remote Mount Option5 | 7 | ||
| 1、 | HART 6 standard. Can be configured as HART 5 or HART 7 in the field. | ||
| 2、 | Can be upgraded to 521MD+ or 522MD+ in the field | ||
| 3、 | Can be configured as Analog Output, Discrete Output or Discrete Input in the field. Slot 2 available only after Slot 1 is filled. | ||
| 4、 | Only available for general purpose (certification option 14) | ||
| 5、 | Includes adapter board (installed in the positioner) and the low profile remote mount unit (which may be shipped separately). | ||
| 6、 | A VDI/VDE 3847 mounting kit can be purchased as a separate item. | ||
| 7、 | Only available with 520MD+ model. |
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特点和优势
Local status LED's
Local DIP Switches/Calibration Buttons
Auto Tuning with dynamic gain selection
Utilizes HART 5, 6 and 7
Simple calibration via local interface
Optional LCD Display
Temperature, Pressure and Humidity sensors
Industry Leading Advanced Diagnostics
Increased air handling capabilities
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