描述
1.产品定位与核心功能
VALM-818404推测为耐磨高压动态平衡型阀门定位器，定位油气开采、高压反应釜及水利枢纽，聚焦200MPa超高压工况适配、抗冲刷磨损涂层与流体脉动抑制。其核心功能包括：
控制性能：
-位置精度：±0.05%（全行程范围内，抗高压介质扰动）；
-响应时间：≤12ms（高压介质下稳定响应）。
环境适应性：
-压力范围：0–200MPa（超高压动态平衡）；
-介质兼容性：原油、高压水射流、超临界CO₂等。
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、Modbus TCP/IP）；
-输出类型：碳化钨堆焊阀座+钛合金阀杆（硬度≥1200 HV）；
供电要求
-电压范围：24V DC（防爆认证Ex d IIB T4）；
-功耗：≤12W（峰值），休眠模式<0.08W；
通信接口
-数字总线：OPC UA、HART-7；
-无线扩展：LoRaWAN（远程监测适用）。
3.功能特性
耐磨与高压材料体系：
-核心材料：等离子喷涂碳化铬涂层（磨损率<0.01mm³/N·m）+锻造高强度钢；
-密封设计：组合式金属密封环（压力自增强技术，密封比压≥300MPa）。
动态平衡控制：
-算法集成：基于流体力学的脉动抑制模型（压力波动衰减≥30%）；
-自适应调节：压电陶瓷驱动器（频率响应范围20–2000Hz）。
安全与诊断：
-冲刷监测：光纤光栅传感器实时检测壁厚变化（精度±0.05mm）；
-超压保护：爆破片+电磁阀联锁（触发阈值可设至220MPa）。
4.典型应用场景
能源与化工：
-深海油气井口控制阀（耐150MPa海水压力）；
-页岩气压裂返排液调节阀（抗砂粒冲刷）。
工业与环保：
-高压水切割机介质阀（兼容300MPa瞬态压力）；
-超临界水氧化反应器进出阀（耐腐蚀+高压双重挑战）。
特种工艺：
-水力发电站导叶控制阀（抗空蚀磨损）；
-火箭发动机氧化剂阀门（脉动频率抑制至<5%）。
1.Product positioning and core functions
VALM-818404 is speculated to be a wear-resistant high-pressure dynamic balanced valve positioner,which locates oil and gas mining,high-pressure reactors and water conservancy hubs,focusing on 200MPa ultra-high pressure working conditions,anti-shrink wear coatings and fluid pulsation suppression.Its core functions include:
Control performance:
-Position accuracy:±0.05%(within the entire stroke range,resistant to high-voltage medium disturbance);
-Response time:≤12ms(stable response under high-voltage medium).
Environmental adaptability:
-Pressure range:0–200MPa(ultra-high pressure dynamic balance);
-Media compatibility:crude oil,high-pressure water jet,supercritical CO₂,etc.
2.Key technical parameters
Project Typical specifications(refer to similar products)
Input/Output
-Input signal:4–20mA DC(supports FOUNDATION Fieldbus,Modbus TCP/IP);
-Output type:Tungsten Carbide Surface Valve Seat+Titanium Alloy Stem(hardness≥1200 HV);
Power supply requirements
-Voltage range:24V DC(Explosion-proof Certification Ex d IIB T4);
-Power consumption:≤12W(peak),sleep mode<0.08W;
Communication interface
-Digital bus:OPC UA,HART-7;
-Wireless extension:LoRaWAN(for remote monitoring).
3.Functional characteristics
Wear-resistant and high-pressure material system:
-Core materials:plasma sprayed chromium carbide coating(wear rate<0.01mm³/N·m)+forged high-strength steel;
-Seal design:Combined metal sealing ring(pressure self-reinforcement technology,sealing specific pressure≥300MPa).
Dynamic balance control:
-Algorithm integration:pulsation suppression model based on fluid mechanics(pressure fluctuation attenuation≥30%);
-Adaptive adjustment:Piezoelectric ceramic driver(frequency response range 20–2000Hz).
Safety and Diagnosis:
-Scrubbing monitoring:Fibre grating sensor detects wall thickness changes in real time(accuracy±0.05mm);
-Overpressure protection:Blasting disc+solenoid valve interlock(trigger threshold can be set to 220MPa).
4.Typical application scenarios
Energy and Chemical Industry:
-Deep-sea oil and gas wellhead control valve(resistant to 150MPa seawater pressure);
-Shale gas fracturing return liquid regulating valve(resistant to sand erosion).
Industrial and environmental protection:
-High-pressure water cutting machine medium valve(compatible with 300MPa transient pressure);
-Supercritical water oxidation reactor inlet and outlet valve(corrosion resistance+high pressure double challenge).
Special technology:
-Hydraulic power station guide vane control valve(resistant to cavitation wear);
-Rocket engine oxidant valve(pulsation frequency suppressed to<5%).
