| Measured Fluid | Liquid, gas, steam |
|---|---|
| Medium Temperature | (-40 -250) °C; (-203 -250) °C; (-40-350) °C |
| Turndown Ratio | 10:1 |
| Nominal Diameter Range | DN15 ~DN300 |
| Working Pressure | 1.6MPa/2.5MPa/4.0MPa/6.3MPa/10MPa/16MPa/25MPa/Class150/Class300/Class600/Class900/Class1500 |
| Flow Velocity Range | Gas (5-70) m/s; Liquid (0.5-7) m/s |
| Wetted Material | 304 stainless steel / 316L stainless steel |
| Process Connection Material | Carbon steel / 304 / 316 / 316L |
| Detection Probe | 316L stainless steel |
| Rod & Bracket | 304 stainless steel |
| Radiator | Aluminum alloy |
| Mounting Type | Clamp type / flange type |
| Protection Rating | IP65/IP67/IP68 |
| Power Supply | 24VDC(18V-30V) |
| Signal Output | (4-20) mA / digital pulse |
| Communication | HART/Modbus/Profibus |
| Electrical Connection | M20X1.5, 1/2-14NPT |
| Explosion-proof Type | Non-explosion-proof / intrinsic safety / flameproof |
| Structure | Integral / split; single sensor (standard) / dual sensor / triple sensor / quadruple sensor |
| Self-diagnosis | Probe fault self-diagnosis / power frequency interference self-diagnosis / flow accuracy self-diagnosis / core board running status self-diagnosis / 4~20 mA output accuracy self-diagnosis / frequency, pulse output accuracy self-diagnosis / totalizer error self-diagnosis / flow high/low limit self-diagnosis / temperature & pressure signal abnormal self-diagnosis (temp/pressure compensation type) |
| Applications | Process industries, chemical, power generation, water/wastewater, oil & gas |
| Certifications | Manufactured under ISO 9001 QMS · CE/RoHS/FDA compliance varies by model (certificates available upon request) |
SV21 是面向液体、气体和蒸汽测量的涡街流量计。当流体通过时,阻挡体在下游交替泄出涡街;涡街脱落频率与流速成正比,仪表通过计数涡街得出体积流量。表体介质温度标准为 -40 至 250℃,可选至 350℃,工作压力可达 25 MPa 或 Class150 至 Class1500 法兰等级。
DN15 至 DN300 共 11 个公称口径覆盖小口径到大口径工艺管线,支持夹持和法兰安装。检测探头为 316L 不锈钢,接液部件为 304 或 316L;过程连接可选碳钢、304、316 或 316L。支持 HART、Modbus 或 Profibus 通信,可配分离式变送器,适合工厂 DCS、资产管理和远程监测。
SV21 可以测量哪些流体?
SV21 可测量液体、气体和蒸汽,覆盖宽温度和压力范围。不适用于多相流、高粘度流体或浆料,这些工况会抑制涡街脱落。
SV21 与小口径涡街流量计有什么区别?
SV21 是 DN15 至 DN300 的全通径涡街流量计,支持夹持和法兰安装,用于全尺寸工艺管线。小口径插入式涡街流量计目标 DN15 至 DN65,夹持连接,适合小口径或改造应用。
SV21 需要温度压力补偿吗?
饱和蒸汽下仪表无需补偿即可读质量流量;过热蒸汽和气体下,SV21 支持温度压力输入计算标况或质量流量。补偿功能是带温压补偿型号的可选配置。
SV21 能否在防爆危险区域使用?
可以。SV21 提供非防爆、本安和隔爆版本。请将认证代码与现场防爆区域分类匹配。
This product is sourced factory-direct from a certified Chinese manufacturer. You pay the factory price — no markup. Our income comes from the export tax rebate, not from your bill.