Metso Valm-818414

1.产品定位与核心功能

VALM-818414推测为超高压耐腐蚀型阀门定位器,定位氢能源储运、化工危化品管道及核能系统,聚焦20MPa高压适配、抗氢脆材料设计与辐射环境兼容性。其核心功能包括:

控制性能:

-位置精度:±0.01%(全行程范围内,抗高压介质形变);

-响应时间:≤6ms(毫秒级紧急切断)。

环境适应性:

-压力范围:0–20MPa(超高压动态平衡);

-温度范围:-20°C至+150°C(宽温区适应)。

2.关键技术参数

项目典型规格(参考同类产品)

描述

1.产品定位与核心功能

VALM-818414推测为超高压耐腐蚀型阀门定位器,定位氢能源储运、化工危化品管道及核能系统,聚焦20MPa高压适配、抗氢脆材料设计与辐射环境兼容性。其核心功能包括:

控制性能:

-位置精度:±0.01%(全行程范围内,抗高压介质形变);

-响应时间:≤6ms(毫秒级紧急切断)。

环境适应性:

-压力范围:0–20MPa(超高压动态平衡);

-温度范围:-20°C至+150°C(宽温区适应)。

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);

-输出类型:沉淀硬化不锈钢17-4PH阀体+碳化钨阀芯(抗冲蚀磨损);

供电要求

-电压范围:24V DC(防爆认证Ex d IIC T6);

-功耗:≤8W(峰值),休眠模式<0.02W;

通信接口

-数字总线:OPC UA、Modbus TCP/IP;

-无线扩展:IEEE 802.15.4(工业Mesh网络)。

3.功能特性

抗氢脆材料体系:

-核心材料:Ti-6Al-4V钛合金(氢渗透率<0.1cm³/(m²·s));

-表面处理:物理气相沉积(PVD)类金刚石涂层(硬度>80GPa)。

高压密封设计:

-多层金属缠绕垫片+氦质谱检漏(泄漏率<5×10⁻⁹Pa·m³/s);

-自紧式卡套连接(耐脉动压力±10%波动)。

核能级安全:

-辐射硬化设计(耐γ射线剂量>1×10⁶Gy);

-冗余传感器:双通道位置反馈(IEC 61508 SIL3认证)。

4.典型应用场景

能源与化工:

-氢能加注站高压阀(兼容ISO 19880标准);

-乙烯裂解装置紧急切断阀(耐焦化油渣腐蚀)。

核能与军工:

-反应堆冷却剂系统控制阀(抗震等级IEAR-2);

-导弹燃料隔断阀(耐深空辐射环境)。

特种工艺:

-超临界CO₂反应釜调节阀(抗溶胀效应);

-航天器推进剂阀(脉动抑制至<2%)。

1.Product positioning and core functions

VALM-818414 is speculated to be an ultra-high pressure corrosion-resistant valve positioner,which locates hydrogen energy storage and transportation,chemical hazardous chemical pipelines and nuclear energy systems,focusing on 20MPa high-pressure adaptation,hydrogen embrittlement-resistant material design and radiation environment compatibility.Its core functions include:

Control performance:

-Position accuracy:±0.01%(within the entire stroke range,resistant to high-pressure medium deformation);

-Response time:≤6ms(millisecond emergency cutoff).

Environmental adaptability:

-Pressure range:0–20MPa(ultra-high pressure dynamic balance);

-Temperature range:-20°C to+150°C(wide temperature adaptation).

2.Key technical parameters

Project Typical specifications(refer to similar products)

Input/Output

-Input signal:4–20mA DC(supports PROFIBUS PA);

-Output type:precipitated hardened stainless steel 17-4PH valve body+tungsten carbide valve core(resistant to erosion and wear);

Power supply requirements

-Voltage range:24V DC(Explosion-proof Certified Ex d IIC T6);

-Power consumption:≤8W(peak),sleep mode<0.02W;

Communication interface

-Digital bus:OPC UA,Modbus TCP/IP;

-Wireless extension:IEEE 802.15.4(Industrial Mesh Network).

3.Functional characteristics

Hydrogen embrittlement material system:

-Core material:Ti-6Al-4V titanium alloy(hydrogen permeability<0.1cm³/(m²·s));

-Surface treatment:Physical vapor deposition(PVD)diamond-like coating(hardness>80GPa).

High pressure seal design:

-Multi-layer metal-winding gasket+helium mass spectrometry leak detection(leakage rate<5×10⁻⁹Pa·m³/s);

-Self-tightening hood connection(resistant to pulsation pressure±10%fluctuation).

Nuclear energy level safety:

-Radiation hardening design(γ-ray resistant dose>1×10⁶Gy);

-Redundant sensor:Dual channel position feedback(IEC 61508 SIL3 certified).

4.Typical application scenarios

Energy and Chemical Industry:

-Hydrogen energy filling station high-pressure valve(compatible with ISO 19880 standard);

-Emergency shutdown valve for ethylene cracking device(resistant to corrosion of coking oil residue).

Nuclear energy and military industry:

-Reactor coolant system control valve(shock level IEAR-2);

-Missile fuel partition valve(resisting deep space radiation environment).

Special technology:

-Supercritical CO₂reactor regulating valve(anti-swelling effect);

-Spacecraft propellant valve(pulsation suppressed to<2%).