Metso Valm-818146

耐腐蚀设计:

-材料体系:C-276哈氏合金阀体+氧化锆陶瓷密封(耐浓硫酸/氯气);

-表面处理:纳米金刚石薄膜涂层(摩擦系数<0.05)。

自清洁技术:

-电化学活化:周期性反向电流清除结垢(兼容结晶性介质);

-气穴防粘:阀腔内置超声波震荡器(抑制生物膜形成)。

安全与诊断:

-泄漏预警:荧光光纤传感(泄漏量≥0.1mg/s时报警);

-热失控防护:石墨烯散热层+熔断式加热器(防介质沸腾)。

描述

1.产品定位与核心功能

VALM-818146推测为耐腐蚀自清洁型阀门定位器,定位强腐蚀介质与卫生级控制场景,聚焦哈氏合金阀体、陶瓷轴承驱动与电化学自清洁技术。其核心功能包括:

控制性能:

-位置精度:±0.09%(全行程范围内,亚微米级分辨率);

-响应时间:≤20ms(阶跃信号响应,腐蚀环境优化型)。

环境适应性:

-防护等级:IP68(长期浸没耐受);

-工作温度:-40°C至+400°C(宽温区耐腐蚀型)。

2.关键技术参数

项目典型规格(参考同类产品)

输入/输出

-输入信号:4–20mA DC(支持HART、Modbus RTU);

-输出类型:陶瓷球轴承+磁耦合驱动;

供电要求

-电压范围:24–240V AC/DC(宽压工业兼容);

-功耗:≤10W(峰值),休眠模式<0.1W;

通信接口

-数字总线:P罗finet、BACnet;

-无线扩展:蓝牙5.3(本地调试)+LoRaWAN(远程监控)。

3.功能特性

耐腐蚀设计:

-材料体系:C-276哈氏合金阀体+氧化锆陶瓷密封(耐浓硫酸/氯气);

-表面处理:纳米金刚石薄膜涂层(摩擦系数<0.05)。

自清洁技术:

-电化学活化:周期性反向电流清除结垢(兼容结晶性介质);

-气穴防粘:阀腔内置超声波震荡器(抑制生物膜形成)。

安全与诊断:

-泄漏预警:荧光光纤传感(泄漏量≥0.1mg/s时报警);

-热失控防护:石墨烯散热层+熔断式加热器(防介质沸腾)。

4.典型应用场景

化工与石化领域:

-氯碱厂隔膜阀(耐30%NaOH+Cl₂复合腐蚀);

-乙烯裂解炉急冷阀(耐1500°C烟气冲刷)。

食品与制药:

-乳制品CIP清洗阀(耐磷酸/柠檬酸腐蚀);

-生物反应器灭菌阀(134°C蒸汽循环≥2000次)。

环保与能源:

-烟气脱硫系统浆液控制阀(耐50%CaCO₃磨蚀);

-氢能电解槽纯水阀(抑制金属离子溶出)。

1.Product positioning and core functions

VALM-818146 is speculated to be a corrosion-resistant self-cleaning valve positioner,which locates strongly corroded media and sanitary control scenarios,focusing on Hastelloy valve body,ceramic bearing drive and electrochemical self-cleaning technology.Its core functions include:

Control performance:

-Position accuracy:±0.09%(within the entire travel range,submicron resolution);

-Response time:≤20ms(step signal response,corrosion environment optimization type).

Environmental adaptability:

-Protection level:IP68(long-term immersion tolerance);

-Operating temperature:-40°C to+400°C(wide temperature zone corrosion-resistant type).

2.Key technical parameters

Project Typical specifications(refer to similar products)

Input/Output

-Input signal:4–20mA DC(supports HART,Modbus RTU);

-Output type:Ceramic ball bearing+magnetic coupled drive;

Power supply requirements

-Voltage range:24–240V AC/DC(Wide voltage industrial compatible);

-Power consumption:≤10W(peak),sleep mode<0.1W;

Communication interface

-Digital bus:P Ronaldo finet,BACnet;

-Wireless extension:Bluetooth 5.3(local debugging)+LoRaWAN(remote monitoring).

3.Functional characteristics

Corrosion resistant design:

-Material system:C-276 Hastelloy valve body+zirconium oxide ceramic seal(resistant to concentrated sulfuric acid/chlorine);

-Surface treatment:Nanodiamond film coating(coefficient of friction<0.05).

Self-cleaning technology:

-Electrochemical activation:periodic reverse current clearing of scaling(compatible with crystalline medium);

-Air pocket anti-stick:The valve cavity has built-in ultrasonic oscillator(inhibits biofilm formation).

Safety and Diagnosis:

-Leakage warning:fluorescent fiber sensing(alarm when leakage amount≥0.1mg/s);

-Thermal runaway protection:graphene heat dissipation layer+fuse heater(prevents the medium boiling).

4.Typical application scenarios

Chemical and petrochemical fields:

-Chlor-alkali plant diaphragm valve(resistant to 30%NaOH+Cl₂composite corrosion);

-Ethylene cracking furnace quench valve(resistant to 1500°C flue gas erosion).

Food and Pharmaceuticals:

-Dairy products CIP cleaning valve(resistant to phosphoric acid/citric acid corrosion);

-Bioreactor sterilization valve(134°C steam cycle≥2000 times).

Environmental protection and energy:

-Slurry control valve for flue gas desulfurization system(resistant to 50%CaCO₃abrasion);

-Hydrogen electrolytic cell pure water valve(suppresses metal ions dissolution).