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产品类型
Metal Tube Variable Area Flow Meter
Applications: Clean liquids, gases and steam
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区别
Repeatable flow measurement even at low process temperatures down to -198°C / -325°F and high process temperatures up to 420°C / 788°F
Designed for high process pressures 1379 bar(a) / 20,000 psig
Customers can rely on a proven flow measurement technology that works when electrical power is not availableand at the same time communicate to controlsystems over analog- or digital interfaces
Optional local operator interface with LCDscreen for easy operator control and alarm functions that meet SIL 2requirements
A selection of corrosion resistant wettedmaterials and indicator housings to fit your demanding applications
Product is designed to meet ASME B31.3 which isa requirement requested at the world’s major industrial facilities. Productdocumentation, material traceability and project planning perfectly blends withthe needs of Engineering Procurement Contractors (EPC) system integrators
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流量范围-满量程容量
Refer to Capacity Tables in Data Sheet
Water
440 gpm / 100,000 l/h
Air
750 scfm / 1200 m3n/hr
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压降
See Capacities & Pressure Drop Tables in Data Sheet
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精度
±2% Full Scale / Class 2.5 VDI / VDE
±1% Full Scale / Class 1.6 VDI / VDE
±5% Full Scale / Class 4 VDI / VDE
±3% Full Scale / Class 2.5 VDI / VDE
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重复性
All options except ELF: 0.25% Full Scale
ELF: 1% Full Scale
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刻度尺
Single or Dual Detachable Aluminum Plate
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标尺刻度
Choice of direct reading units or percentage of maximum flow with factor tag.
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浮子材料
316L Stainless Steel, Alloy 625, Hastelloy C-276, Titanium GR II, Monel K-500, PVDF
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外壳
Die cast Aluminum (Alloy 380) with Epoxy Paint Coating with glass window
Die cast Aluminum (Alloy 380) with Epoxy Paint Coating with shatterproof glass window
Cast 316 Stainless Steel with glass window
Cast 316 Stainless Steel with shatterproof glass window
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O型圈材料
Flange option or Male NPT: No O-rings
Female threaded options: Viton fluoroelastomer, Kalrez fluoroelastomer, PTFE Teflon
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连接材料
316L Stainless Steel, Alloy 625, Hastelloy C-276, Titanium GR II
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过程连接
All materials: NPT, Rc (BSP) Female
All materials: 150#, 300#, 600# Flanges per ASME B16.5
All materials: DIN PN40 Flanges
All materials: JIS B2220 DIN 10K, 20K Flanges
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最大压力
Refer to Pressure/Temperature Tables in Data Sheet
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压力设备指令类别
Refer to PED Categories in Capacity Tables in Data Sheet
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环境温度范围
Refer to temperature cut-off tables by option in Data Sheet
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最大温度范围
Meter
-325 to 788°F
-198 to 420°C
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流体温度范围
Refer to temperature cut-off tables by option in Data Sheet
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变送器
4 - 20 mA with HART Communications
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报警
Inductive Switch - All Sizes
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数字通讯
HART® 7
FOUNDATIONTM Fieldbus
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认证和批准
International agency approvals for alarm and transmitter
SIL 2 for alarm option
International Calibration Certificate (ICC)
Material certifications
Liquid Dye Penetrant
Positive Material Identification
NACE MR 01-75 & MR 0103
Pressure Test certificate
Oxygen Cleaning certificate
Certificate of Conformance