Metso Valm-818187

-数字总线:EtherCAT、DeviceNet;

-无线扩展:Sub-GHz工业物联网(IIoT)专网。

3.功能特性

高压密封体系:

-阀座材料:钨carbide烧结+金属陶瓷复合结构(抗压强度>3000MPa);

-双级密封:主密封(API 6A规范)+辅助氮气屏障(防介质渗漏)。

驱动革新:

-液压平衡腔:内置压力传感器动态补偿背压(误差<±1%);

-阀杆润滑:固态润滑涂层(DLC金刚石类膜,寿命×3倍)。

描述

1.产品定位与核心功能

VALM-818187推测为超高压工况专用型阀门定位器,定位油气开采、高压反应釜及电力行业,聚焦抗压密封结构、液压平衡驱动与动态压力补偿算法。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:≤25ms(高压介质下快速响应)。

环境适应性:

-工作压力:最高25MPa(Ⅱ类超高压场景);

-温度范围:-30°C至+350°C(宽温区耐压型)。

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FOUNDATION Fieldbus);

-输出类型:液压平衡式活塞驱动+碳纤维增强阀杆;

供电要求

-电压范围:18–36V DC(防爆本质安全型);

-功耗:≤8W(峰值),休眠模式<0.05W;

通信接口

-数字总线:EtherCAT、DeviceNet;

-无线扩展:Sub-GHz工业物联网(IIoT)专网。

3.功能特性

高压密封体系:

-阀座材料:钨carbide烧结+金属陶瓷复合结构(抗压强度>3000MPa);

-双级密封:主密封(API 6A规范)+辅助氮气屏障(防介质渗漏)。

驱动革新:

-液压平衡腔:内置压力传感器动态补偿背压(误差<±1%);

-阀杆润滑:固态润滑涂层(DLC金刚石类膜,寿命×3倍)。

安全与诊断:

-压力骤降保护:毫秒级关闭逻辑(防井喷/爆管);

-振动监测:MEMS加速度计(预测机械磨损)。

4.典型应用场景

能源与化工领域:

-深海油气井口控制阀(水深3000m工况,防硫化氢腐蚀);

-超临界CO₂反应釜安全阀(耐25MPa+60°C相变冲击)。

电力与科研:

-超超临界燃煤机组主蒸汽阀(耐35MPa/600°C蒸汽);

-聚变堆冷却剂调节阀(耐液态锂铅侵蚀)。

特殊工艺:

-高压均质机分流阀(乳制品纳米级均质);

-碳纤维缠绕气瓶充放阀(氢燃料汽车标准兼容)。

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1.Product positioning and core functions

VALM-818187 is speculated to be a special valve positioner for ultra-high pressure working conditions,which locates oil and gas mining,high-pressure reactors and power industries,focusing on pressure-resistant sealing structure,hydraulic balance driving and dynamic pressure compensation algorithm.Its core functions include:

Control performance:

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

-Response time:≤25ms(fast response under high-voltage medium).

Environmental adaptability:

-Working pressure:up to 25MPa(Class II ultra-high pressure scenario);

-Temperature range:-30°C to+350°C(wide temperature zone pressure-resistant type).

2.Key technical parameters

Project Typical specifications(refer to similar products)

Input/Output

-Input signal:4–20mA DC(supports FOUNDATION Fieldbus);

-Output type:hydraulic balanced piston drive+carbon fiber reinforced valve stem;

Power supply requirements

-Voltage range:18–36V DC(explosion-proof intrinsic safety);

-Power consumption:≤8W(peak),sleep mode<0.05W;

Communication interface

-Digital bus:EtherCAT,DeviceNet;

-Wireless extension:Sub-GHz Industrial Internet of Things(IIoT)private network.

3.Functional characteristics

High pressure sealing system:

-Valve seat material:tungsten carbide sintered+cermet composite structure(compressive strength>3000MPa);

-Double-stage seal:main seal(API 6A specification)+auxiliary nitrogen barrier(prevent medium leakage).

Drive innovation:

-Hydraulic balance chamber:built-in pressure sensor dynamically compensates back pressure(error<±1%);

-Stem lubrication:solid lubricating coating(DLC diamond film,life span×3 times).

Safety and Diagnosis:

-Pressure dip protection:millisecond-level shutdown logic(anti-blown/pipe);

-Vibration monitoring:MEMS accelerometer(predicting mechanical wear).

4.Typical application scenarios

Energy and Chemical Industry:

-Deep-sea oil and gas wellhead control valve(water depth 3000m,anti-hydrogen sulfide corrosion);

-Supercritical CO₂reactor safety valve(resistant to phase change shock of 25MPa+60°C).

Electricity and scientific research:

-Main steam valve of ultra-supercritical coal-fired unit(resistant to 35MPa/600°C steam);

-Fusion reactor coolant regulating valve(resistant to liquid lithium lead corrosion).

Special craftsmanship:

-High-pressure homogenizer shunt valve(nano-level homogenization of dairy products);

-Carbon fiber winding gas cylinder charging and discharge valve(compatible with hydrogen fuel automobile standard).