描述
1.产品定位与核心功能
VALM-818432推测为核级耐辐射型阀门定位器，定位核电站冷却系统、放射性物质处理及半导体超净管道控制，聚焦抗电离辐射损伤、深海高压密封与亚微米级颗粒过滤。其核心功能包括：
控制性能：
-位置精度：±0.003%（全行程范围内，抗辐射形变）；
-响应时间：≤4ms（核应急冷却模式）。
环境适应性：
-辐射耐受：γ射线剂量率≤1×10⁶rad/h（连续运行）；
-压力范围：真空至25MPa（兼容深海ROV液压系统）。
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EtherCAT同步）；
-输出类型：Inconel 625阀体+碳化硅阀芯（硬度>2200 HV）；
供电要求
-电压范围：24–48V DC（冗余电源冗余设计）；
-功耗：≤6W（峰值），休眠模式<0.01W；
通信接口
-数字总线：IEC 61158（工业以太网）；
-无线扩展：Wi-SUN（广域物联网监控）。
3.功能特性
核级安全设计：
-材料体系：氧化钇稳定氧化锆（YSZ）陶瓷涂层（耐中子辐照肿胀<0.5%）；
-结构冗余：双活塞驱动+机械超行程限制（防阀杆断裂飞射）。
深海与洁净室适配：
-密封技术：金属玻璃封接（氦质谱检漏漏率<1×10⁻¹¹Pa·m³/s）；
-过滤系统：集成0.1μm褶皱滤芯（DOP测试效率>99.97%）。
智能诊断：
-辐射损伤预测：基于声发射的晶格畸变监测；
-自清洁模式：超声波震荡清除阀芯积垢（频率范围20–50kHz）。
4.典型应用场景
核能与辐射环境：
-压水堆主蒸汽阀（耐1×10⁶rad累积剂量）；
-加速器驱动次临界系统（ADS）靶向冷却阀。
海洋与深海工程：
-深海天然气水合物开采阀（耐110atm压力）；
-海底观测网液压控制阀（防腐蚀等级IMC3）。
半导体制造：
-高纯度氩气分配阀（杂质含量<1 ppb）；
-化学机械抛光（CMP）废液排放阀（抗氟酸腐蚀）。
1.Product positioning and core functions
VALM-818432 is speculated to be a nuclear-grade radiation-resistant valve positioner,which locates the cooling system of nuclear power plants,radioactive material treatment and semiconductor ultra-clean pipeline control,focusing on ionizing radiation damage,deep-sea high-pressure sealing and submicron-scale particle filtration.Its core functions include:
Control performance:
-Position accuracy:±0.003%(within the entire stroke range,resistant to radiation deformation);
-Response time:≤4ms(nuclear emergency cooling mode).
Environmental adaptability:
-Radiation tolerance:gamma ray dose rate≤1×10⁶rad/h(continuous operation);
-Pressure range:Vacuum to 25MPa(compatible with deep-sea ROV hydraulic systems).
2.Key technical parameters
Project Typical specifications(refer to similar products)
Input/Output
-Input signal:4–20mA DC(supports EtherCAT synchronization);
-Output type:Inconel 625 valve body+silicon carbide spool(hardness>2200 HV);
Power supply requirements
-Voltage range:24–48V DC(redundant power supply redundant design);
-Power consumption:≤6W(peak),sleep mode<0.01W;
Communication interface
-Digital bus:IEC 61158(Industrial Ethernet);
-Wireless extension:Wi-SUN(Wide Area Internet of Things Monitoring).
3.Functional characteristics
Nuclear-level security design:
-Material system:Yttrium-stabilized zirconia(YSZ)ceramic coating(neutron radiation resistant swelling<0.5%);
-Structural redundancy:dual piston drive+mechanical over-strode limit(prevent valve stem from breaking and flying).
Deep sea and clean room adaptation:
-Seal technology:metal glass seal(helium leakage detection rate<1×10⁻¹¹Pa·m³/s);
-Filtration system:Integrated 0.1μm pleated filter element(DOP test efficiency>99.97%).
Intelligent Diagnosis:
-Radiation damage prediction:lattice distortion monitoring based on acoustic emission;
-Self-cleaning mode:Ultrasonic oscillation removes the valve core scale(frequency range 20–50kHz).
4.Typical application scenarios
Nuclear energy and radiation environment:
-Pressurized water reactor main steam valve(resistant to 1×10⁶rad accumulated dose);
-Accelerator-driven subcritical system(ADS)targeted cooling valve.
Ocean and Deep Sea Engineering:
-Deep-sea natural gas hydrate mining valve(resistant to 110atm pressure);
-Hydraulic control valve of submarine observation network(corrosion-proof grade IMC3).
Semiconductor manufacturing:
-High purity argon distribution valve(impurity content<1 ppb);
-Chemical Mechanical Polishing(CMP)Waste Liquid Discharge Valve(resistant to fluoric acid corrosion).
