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%).

