描述
1.产品定位与核心功能
VALM-818358推测为高压动态响应型阀门定位器,定位油气开采、高压反应釜及流体动力系统,聚焦超高压密封、瞬态流量调节与抗振设计。其核心功能包括:
控制性能:
-位置精度:±0.06%(全行程范围内,亚微米级分辨率);
-响应时间:≤8ms(高压介质下快速阶跃响应)。
环境适应性:
-工作压力:0–250 bar(可扩展至400 bar定制);
-温度范围:-40°C至+180°C(宽温区高压型)。
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HART、FOUNDATION Fieldbus);
-输出类型:液压放大器+钛合金阀杆(耐压变形比<0.01%);
供电要求
-电压范围:24–230V AC/DC(宽压工业兼容);
-功耗:≤15W(峰值),休眠模式<0.1W;
通信接口
-数字总线:EtherNet/IP、Modbus TCP/IP;
-无线扩展:NB-IoT(广域低功耗远程监控)。
3.功能特性
高压密封体系:
-材料体系:CP Ti Grade 2钛合金+碳化钨硬质合金密封面(HV≥1800);
-结构设计:多层缠绕式金属密封(API 6A石油天然气井口标准)。
动态控制算法:
-压力前馈补偿:基于实时压力传感器数据修正阀位(抑制脉动±5%);
-自适应滤波:抑制管道振动引起的误动作(频率范围:5–2000Hz)。
安全与诊断:
-泄漏预警:激光干涉仪监测密封面微观形变;
-冲蚀防护:阀芯喷焊钴基合金(WCoCrBSi涂层,寿命×5)。
4.典型应用场景
油气与化工:
-深海油气井节流阀(耐200bar海水+硫化氢腐蚀);
-加氢裂化装置紧急切断阀(快速关闭时间<0.2s)。
工业动力:
-水力压裂系统流量控制阀(耐砂粒磨损);
-液压机压力维持阀(±0.5bar稳定输出)。
特殊工艺:
-超临界CO₂反应釜调节阀(耐+31°C临界点波动);
-火箭发动机氧化剂阀(耐液氧/-183°C至+2000°C燃气)。
1.Product positioning and core functions
VALM-818358 is speculated to be a high-pressure dynamic responsive valve positioner that locates oil and gas mining,high-pressure reactors and fluid dynamic systems,focusing on ultra-high-pressure sealing,transient flow regulation and vibration resistance design.Its core functions include:
Control performance:
-Position accuracy:±0.06%(submicron resolution within the entire stroke range);
-Response time:≤8ms(fast step response under high-voltage medium).
Environmental adaptability:
-Working pressure:0–250 bar(scalable to 400 bar customization);
-Temperature range:-40°C to+180°C(wide temperature zone high pressure type).
2.Key technical parameters
Project Typical specifications(refer to similar products)
Input/Output
-Input signal:4–20mA DC(supports HART and FOUNDATION Fieldbus);
-Output type:hydraulic amplifier+titanium alloy valve stem(pressure deformation ratio<0.01%);
Power supply requirements
-Voltage range:24–230V AC/DC(Wide voltage industrial compatible);
-Power consumption:≤15W(peak),sleep mode<0.1W;
Communication interface
-Digital bus:EtherNet/IP,Modbus TCP/IP;
-Wireless extension:NB-IoT(Wide Area Low Power Remote Monitoring).
3.Functional characteristics
High pressure sealing system:
-Material system:CP Ti Grade 2 titanium alloy+tungsten carbide cemented carbide sealed carbide(HV≥1800);
-Structural design:Multi-layer winding metal seal(API 6A oil and gas wellhead standard).
Dynamic control algorithm:
-Pressure feedforward compensation:correct valve position based on real-time pressure sensor data(suppress pulsation±5%);
-Adaptive filtering:Suppresses malfunction caused by pipeline vibration(frequency range:5–2000Hz).
Safety and Diagnosis:
-Leakage warning:laser interferometer monitors microscopic deformation of the sealing surface;
-Corrosion protection:Spray welding cobalt-based alloy(WCoCrBSi coating,life×5).
4.Typical application scenarios
Oil and gas and chemical industry:
-Deep-sea oil and gas well throttle valve(resistant to 200bar seawater+hydrogen sulfide corrosion);
-Emergency shutdown valve for hydrocracking device(quick closing time<0.2s).
Industrial Power:
-Flow control valve for hydraulic fracturing system(resistant to sand wear);
-Hydraulic press pressure maintenance valve(±0.5bar stable output).
Special craftsmanship:
-Supercritical CO₂reactor regulating valve(resistant to critical point fluctuations of+31°C);
-Rocket engine oxidant valve(resistance to liquid oxygen/-183°C to+2000°C gas).