描述
1.产品定位与核心功能
VALM-818428推测为微型化卫生级阀门定位器,定位食品饮料、生物制药及实验室自动化,聚焦无菌流体控制、纳米级流量调节与集成式污染监测。其核心功能包括:
控制性能:
-位置精度:±0.002%(微流量区间优化);
-响应时间:≤1.5ms(脉冲式液体分配)。
环境适应性:
-介质兼容性:水/乙醇/磷酸盐缓冲液(pH 2–12);
-温度范围:4°C至+120°C(巴氏灭菌兼容)。
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Modbus RTU);
-输出类型:PVDF阀体+PTFE阀芯(FDA X-2758认证);
供电要求
-电压范围:12–24V DC(宽压容错设计);
-功耗:≤3W(峰值),休眠模式<0.005W;
通信接口
-数字总线:OPC UA(实验室信息管理系统集成);
-无线扩展:Bluetooth 5.3(便携式HMI交互)。
3.功能特性
卫生与防污染设计:
-结构特性:无缝焊接流道(Ra≤0.2μm表面光洁度);
-材料体系:聚醚醚酮(PEEK)轴承(耐γ射线灭菌)。
智能监测技术:
-集成光学浊度传感器(实时检测颗粒物>1μm);
-算法支持:基于电导率的介质纯度预警(兼容USP<645>标准)。
微型化适配:
-尺寸:Φ25mm×50mm(嵌入式安装,节省空间);
-接口类型:G1/8 BSP螺纹(兼容微型管路系统)。
4.典型应用场景
食品与饮料:
-无菌灌装机流量阀(防止微生物滋生);
-咖啡机高压蒸汽阀(耐1.5MPa脉动)。
生物医药:
-细胞培养基分配阀(防蛋白吸附设计);
-疫苗制剂分装阀(精度±0.001mL)。
实验室与微流控:
-HPLC流动相控制阀(耐有机溶剂);
-微滴式数字PCR阀(纳升级液体操控)。

1.Product positioning and core functions
VALM-818428 is speculated to be a miniaturized sanitary valve positioner that locates food and beverage,biopharmaceuticals and laboratory automation,focusing on sterile fluid control,nano-scale flow regulation and integrated pollution monitoring.Its core functions include:
Control performance:
-Position accuracy:±0.002%(microflow interval optimization);
-Response time:≤1.5ms(pulse liquid distribution).
Environmental adaptability:
-Media compatibility:water/ethanol/phosphate buffer(pH 2–12);
-Temperature range:4°C to+120°C(pasteurization compatible).
2.Key technical parameters
Project Typical specifications(refer to similar products)
Input/Output
-Input signal:4–20mA DC(Modbus RTU supported);
-Output type:PVDF body+PTFE valve core(FDA X-2758 certified);
Power supply requirements
-Voltage range:12–24V DC(Wide voltage fault tolerance design);
-Power consumption:≤3W(peak),sleep mode<0.005W;
Communication interface
-Digital bus:OPC UA(Laboratory Information Management System Integration);
-Wireless extension:Bluetooth 5.3(portable HMI interaction).
3.Functional characteristics
Sanitary and pollution prevention design:
-Structural characteristics:seamless welded runner(Ra≤0.2μm surface finish);
-Material system:Polyether etherketone(PEEK)bearings(resistant to gamma ray sterilization).
Intelligent monitoring technology:
-Integrated optical turbidity sensor(real-time detection of particles>1μm);
-Algorithm support:Conductivity-based dielectric purity early warning(compatible with USP<645>standard).
Miniaturized adaptation:
-Dimensions:Φ25mm×50mm(embedded installation,saving space);
-Interface type:G1/8 BSP thread(compatible with micro-pipe system).
4.Typical application scenarios
Food and beverage:
-Sterile filling machine flow valve(prevent microbial growth);
-High-pressure steam valve of coffee machine(resistant to 1.5MPa pulsation).
Biomedicine:
-Cell culture medium distribution valve(protein-proof adsorption design);
-Vaccine preparation dispensing valve(accuracy±0.001mL).
Laboratory and microfluidics:
-HPLC mobile phase control valve(resistant to organic solvents);
-Micro-drop digital PCR valve(nan upgraded liquid control).

