Metso Valm-818200

1.产品定位与核心功能

VALM-818200推测为高温耐热型阀门定位器,定位极端温度环境下的精密控制,聚焦镍基超合金阀体、热膨胀补偿算法与真空兼容密封技术。其核心功能包括:

控制性能:

-位置精度:±0.08%(全行程范围内,纳米级分辨率);

-响应时间:≤18ms(高温介质下快速响应)。

环境适应性:

-工作温度:-100°C至+800°C(宽温区耐热型);

描述

1.产品定位与核心功能

VALM-818200推测为高温耐热型阀门定位器,定位极端温度环境下的精密控制,聚焦镍基超合金阀体、热膨胀补偿算法与真空兼容密封技术。其核心功能包括:

控制性能:

-位置精度:±0.08%(全行程范围内,纳米级分辨率);

-响应时间:≤18ms(高温介质下快速响应)。

环境适应性:

-工作温度:-100°C至+800°C(宽温区耐热型);

-真空兼容性:10⁻⁴Pa残余压力稳定运行。

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 TCP/IP);

-输出类型:形状记忆合金驱动+石墨烯复合阀杆;

供电要求

-电压范围:12–240V AC/DC(宽压工业兼容);

-功耗:≤12W(峰值),休眠模式<0.08W;

通信接口

-数字总线:EtherNet/IP、CANopen;

-无线扩展:5G工业切片网络(低延迟远程控制)。

3.功能特性

高温耐热设计:

-材料体系:Inconel 718镍基超合金+碳化硅陶瓷轴承(抗氧化至+980°C);

-热屏障涂层:梯度功能材料(FGM)减少热应力传导。

智能热管理:

-动态补偿算法:基于阀体热膨胀系数(CTE)实时修正位置误差;

-自冷却通道:阀杆内置微型热管(散热效率×3)。

密封与安全:

-双级金属密封:袋式焊接金属垫片(API 607标准);

-爆裂防护:阀体预应力设计(承受瞬态温差≥500°C)

1.Product positioning and core functions

VALM-818200 is speculated to be a high-temperature heat-resistant valve positioner,which locates precision control in extreme temperature environments,focusing on nickel-based superalloy valve body,thermal expansion compensation algorithm and vacuum-compatible sealing technology.Its core functions include:

Control performance:

-Position accuracy:±0.08%(within the entire stroke range,nano-scale resolution);

-Response time:≤18ms(fast response under high temperature medium).

Environmental adaptability:

-Operating temperature:-100°C to+800°C(wide temperature zone heat-resistant type);

-Vacuum compatibility:10⁻⁴Pa residual pressure operates stably.

2.Key technical parameters

Project Typical specifications(refer to similar products)

Input/Output

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

-Output type:Shape memory alloy drive+graphene composite valve stem;

Power supply requirements

-Voltage range:12–240V AC/DC(Wide voltage industrial compatible);

-Power consumption:≤12W(peak),sleep mode<0.08W;

Communication interface

-Digital bus:EtherNet/IP,CANopen;

-Wireless extension:5G industrial slice network(low latency remote control).

3.Functional characteristics

High temperature heat-resistant design:

-Material system:Inconel 718 nickel-based superalloy+silicon carbide ceramic bearing(oxidation resistance to+980°C);

-Thermal barrier coating:Gradient functional material(FGM)reduces thermal stress conduction.

Intelligent thermal management:

-Dynamic compensation algorithm:real-time correction of position error based on valve body thermal expansion coefficient(CTE);

-Self-cooling channel:The valve stem has a built-in micro heat pipe(heat dissipation efficiency×3).

Sealing and safety:

-Double-stage metal seal:bag-type welded metal gasket(API 607 standard);

-Explosion protection:valve body prestress design(with transient temperature difference≥500°C)