Xiangjing (Shanghai) M&E Technology Co., Ltd
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The Chinese control valve manufacturers have a wide range of valve positioners and accessories in their stock. Some of the popular products are:
Valve positioners are an essential component in the automation of control systems that utilize pneumatic control valves. The following are the main features of valve positioners:
Working principle of valve positioner: Valve positioners control valve actuation by converting an electrical signal into a pneumatic output. The core mechanism consists of the nozzle flapper and film chamber, which adjust valve position by sensing varying pressure variations, resulting in precise control of valves.
| Technical Parameter | Value |
|---|---|
| Degree of Protection | IP 66/NEMA 4X |
| Minimum Current | 3.6 MA For Display 3.8 MA For Operation |
| Deviation | ≤1% |
| Feature | Neles Control Valve Neles Positioner |
| Direction of Action | Reversible |
| Signal Range | 4 To 20 MA |
| Static Destruction Limit | 100 MA |
| Sensitivity | ≤0.1% |
| Power | Pneumatic |
| Hysteresis | ≤0.3% |
Valve positioners are essential control devices used in the petrochemical industry to manage factors like flow and pressure. In the production of liquefied gas and ethylene, these positioners play a significant role in meeting the needs of different production stages.
Valve positioners are also utilized in the sewage treatment industry to regulate the flow of sewage and clean water, ensuring that equipment functions correctly while preserving water quality.
Valve positioners play a crucial role in thermal power generation and nuclear power industries by controlling fluid pipelines, improving equipment's safety and reliability and ensuring the stable operation of power stations.
In the tap water industry, valve positioners are used to monitor water pipes and valves, adjust water levels, and control water pressure while providing real-time monitoring through external signals.
Intelligent valve positioners are used to control the valves in smelting and heat treatment furnaces accurately, ensuring the smelting process's safety and efficiency.
In the pharmaceutical industry, valve positioners play an essential role in adjusting the flow and direction of liquid medicines and solvents, providing precise guarantees for drug production.
Intelligent valve positioners strictly control valves in wastewater and waste gas treatment equipment in the environmental protection field, helping the normal operation of environmental protection facilities and the compliance with emission standards.
Our Pneumatic Control Valves are designed to provide reliable and accurate control of air flow and pressure in a variety of applications. We offer a range of sizes and configurations to meet your specific needs.
Our technical support team is available to assist with any questions or issues you may have with your Pneumatic Control Valves. We offer troubleshooting guidance, repair services, and replacement parts to ensure that your valves are operating at peak performance.
In addition to our technical support services, we also offer training and educational resources to help you get the most out of your Pneumatic Control Valves. Our team of experts can provide on-site training and demonstrations, as well as online resources and documentation.
Trust our team to provide the highest level of support and service for your Pneumatic Control Valves.
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