金属管变面积流量计
Brooks Instrument 金属管可变面积流量计经装甲，可在高要求的高压、高温应用情况下可重复并可靠测量流量，符合全球标准，坚固耐用，精度持久。
Brooks 提供一系列金属管流量计，在全球范围内批准用于危险环境，包括用于测量腐蚀性液体的耐腐蚀选件以及多种接头选件，使其更容易将我们的流量计对接到现有工业系统上。Brooks 的所有 VA 金属管流量计的设计经久耐用，提供卓越的可重复性测量，以帮助准确测量和精确控制复杂的工业过程。
关键应用
- 基本的液体或气体流量测量
- 旋转设备的流量测量
- 海上石油钻井平台的高压流
- 化学剂注入
- 清洗液体或气体的计量
选择最符合您项目需求的金属管可变面积式流量计。
产品
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| 产品类型 |
Metal Tube Variable Area Flow Meter Applications: Clean liquids, gases and steam |
Metal Tube Variable Area Flow Meter Applications: Clean liquids, gases and steam |
| 区别 |
Broad, Low Flow Ranges Perfect for high pressure and/or high temperature applications Compact design Good upgrade from glass tube meters QuickShip Available |
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 |
| 流量范围-满量程容量 |
Refer to Capacity Tables in Data Sheet Water 26 gph / 100 l/h* Air 110 scfh / 3.1 m3n/hr* |
Refer to Capacity Tables in Data Sheet Water 440 gpm / 100,000 l/h Air 750 scfm / 1200 m3n/hr |
| 精度 |
±5% Full Scale* / Class 4 VDI / VDE ±3% Full Scale / Class 2.5 VDI / VDE |
±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 |
| 最大温度范围 |
Meter -58 to 400°F* |
Meter -325 to 788°F |
| 最大压力 |
Refer to Maximum Pressure Ratings Table in Data Sheet 1500 PSIG / 100 bar* 4000 PSIG / 276 bar |
Refer to Pressure/Temperature Tables in Data Sheet |
| O型圈材料 |
Viton® fluoroelastomer*, Buna-N, Kalrez® fluoroelastomer*, PTFE Teflon, Ethylene Propylene *QuickShip |
Flange option or Male NPT: No O-rings Female threaded options: Viton fluoroelastomer, Kalrez fluoroelastomer, PTFE Teflon |
| 过程连接 |
316 Stainless Steel: 1/4", 1/2", 3/4" NPT,1/4" Rc (BSP) Female connections 316 Stainless Steel: 1/4:, 6mm Tube Compression Monel K-500: 1/4" NPT Female |
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 |
| 模拟通讯 |
Transmitter 4-20 mA |
Transmitter 4-20 mA |
| 数字通讯 | — |
HART® 7 FOUNDATIONTM Fieldbus |
| 报警 |
Reed Switch - All Sizes Inductive Switch - All Sizes |
Inductive Switch - All Sizes |
| 认证和批准 |
International Calibration Certificate (ICC) Material Certification Liquid Dye Penetrant Positive Material Identification NACE MR 01-75 & MR 0103 Pressure Test Certificate Oxygen Cleaning Certificate Certificate of Conformance |
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 |