描述
1.产品定位与核心功能
VALM-818343推测为耐腐蚀型阀门定位器,定位强腐蚀性介质控制场景,聚焦Hastelloy合金阀体、化学惰性涂层与抗介质侵蚀算法。其核心功能包括:
控制性能:
-位置精度:±0.07%(全行程范围内,亚微米级分辨率);
-响应时间:≤20ms(腐蚀性介质下稳定响应)。
环境适应性:
-耐腐蚀等级:兼容pH 0–14全范围介质;
-工作温度:-20°C至+200°C(宽温区耐腐型)。
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PROFIBUS PA、Foundation Fieldbus);
-输出类型:磁流变流体驱动+Hastelloy阀杆(摩擦系数<0.05);
供电要求
-电压范围:18–36V DC(防爆本质安全型);
-功耗:≤7W(峰值),休眠模式<0.06W;
通信接口
-数字总线:Modbus RTU、EtherCAT;
-无线扩展:LoRaWAN(远距离工业监控)。
3.功能特性
抗腐蚀设计:
-材料体系:Hastelloy C-276合金+PTFE整体涂层(耐王水、浓硫酸);
-密封技术:金属缠绕垫片+氟橡胶辅助密封(API 601标准)。
动态补偿技术:
-介质侵蚀预测:基于流量-腐蚀速率模型动态调整阀位;
-自清洁表面:超疏水纳米涂层(防止结垢)。
安全与诊断:
-泄漏监测:电化学传感器检测微量腐蚀产物;
-振动抑制:内置阻尼器(适应海洋平台高频振动)。
1.Product positioning and core functions
VALM-818343 is speculated to be a corrosion-resistant valve positioner,which locates the highly corrosive medium control scenario,focusing on Hastelloy alloy valve body,chemical inert coating and anti-dip media corrosion algorithm.Its core functions include:
Control performance:
-Position accuracy:±0.07%(within the entire travel range,submicron resolution);
-Response time:≤20ms(stable response under corrosive media).
Environmental adaptability:
-Corrosion resistance grade:compatible with full range of pH 0–14;
-Operating temperature:-20°C to+200°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 PROFIBUS PA,Foundation Fieldbus);
-Output type:magnetorheological fluid drive+Hastelloy stem(coefficient of friction<0.05);
Power supply requirements
-Voltage range:18–36V DC(explosion-proof intrinsic safety);
-Power consumption:≤7W(peak),sleep mode<0.06W;
Communication interface
-Digital bus:Modbus RTU,EtherCAT;
-Wireless extension:LoRaWAN(Long-distance industrial monitoring).
3.Functional characteristics
Corrosion-resistant design:
-Material system:Hastelloy C-276 alloy+PTFE overall coating(resistant to water regia,concentrated sulfuric acid);
-Seal technology:Metal winding gasket+fluoroelastic auxiliary seal(API 601 standard).
Dynamic compensation technology:
-Media erosion prediction:dynamically adjust the valve position based on the flow-corrosion rate model;
-Self-cleaning surface:Superhydrophobic nanocoating(prevent scaling).
Safety and Diagnosis:
-Leak monitoring:Electrochemical sensors detect trace corrosion products;
-Vibration suppression:Built-in damper(adapts to high-frequency vibration of marine platforms).