Product Description
Masoneilan SV12 - 21113111 Valve Positioner Introduction
The Masoneilan SV12 - 21113111 valve positioner is a high - performance device designed to enhance the accuracy and efficiency of valve control in industrial processes. As a crucial component in the field of process control, it plays a significant role in ensuring the smooth operation of various industrial systems.
1. Working Principle
The SV12 - 21113111 valve positioner operates based on a sophisticated control mechanism. It receives an input signal, typically a 4 - 20 mA current signal from a controller in the process control system. This input signal represents the desired position of the valve. The positioner then compares this input signal with the actual position feedback from the valve. The position feedback is usually obtained through a position sensor attached to the valve stem.
Using advanced algorithms, the positioner calculates the difference between the desired and actual positions. Based on this calculation, it adjusts the output pressure to the valve actuator. For pneumatic actuators, which are commonly used in industrial valves, the positioner precisely controls the air pressure supplied to the actuator. By increasing or decreasing the air pressure, it moves the valve stem to the desired position, thereby ensuring that the valve opens or closes accurately as required by the process.
Detailed Photos
2. Key Features
2.1 High Precision
One of the standout features of the Masoneilan SV12 - 21113111 is its exceptional precision. It can achieve extremely accurate valve positioning, with a positioning accuracy of typically within ±0.5% of the full - scale range. This high level of precision is crucial in applications where tight control of fluid flow, pressure, or other process variables is required. For example, in the pharmaceutical industry, precise control of valves is essential to ensure the accurate dosing of chemicals during the manufacturing process.
2.2 Fast Response Time
The positioner is designed to respond rapidly to changes in the input signal. It has a short response time, which allows it to quickly adjust the valve position in response to process changes. This fast response helps in maintaining process stability and minimizing process disturbances. In industries such as oil and gas, where sudden changes in flow rates or pressures need to be addressed immediately, the fast response time of the SV12 - 21113111 is a significant advantage.
2.3 Reliable Performance
Built with high - quality materials and advanced manufacturing techniques, the SV12 - 21113111 offers reliable performance even in harsh industrial environments. It is resistant to factors such as temperature variations, humidity, and vibration. The device has been rigorously tested to meet international standards for reliability and durability. This makes it suitable for continuous operation in industries like power generation, where valves need to operate flawlessly for long periods without interruption.
2.4 Versatility
This valve positioner is highly versatile and can be used with a wide range of valve types and sizes. Whether it is a globe valve, ball valve, or butterfly valve, the SV12 - 21113111 can be easily configured to control the valve's position effectively. It also supports different types of actuators, including both single - acting and double - acting pneumatic actuators, as well as some electric actuators with appropriate adapters. This versatility makes it a popular choice for industrial plants with diverse valve and actuator setups.
2.5 Diagnostic and Monitoring Capabilities
Equipped with advanced diagnostic functions, the SV12 - 21113111 can continuously monitor its own performance and the condition of the valve and actuator. It can detect issues such as leaks in the pneumatic system, abnormal valve movement, or problems with the position sensor. These diagnostic data can be transmitted to a central control system, allowing operators to perform preventive maintenance and avoid unexpected shutdowns. This feature not only improves the overall reliability of the process but also helps in reducing maintenance costs.
Product Parameters
| Parameter |
Specification |
| Model |
SV12-21113111 |
| Communication Protocol |
HART® 7 over 4-20 mA |
| Material |
Aluminum housing |
| Supply Pressure |
20-120 psi (1.4-8.3 bar) |
| Operating Temperature |
-20°C to +85°C (environmental) |
| Certifications |
ATEX, IECEx, FM (explosion-proof and intrinsically safe) |
| Diagnostics |
Online valve diagnostics (19+ parameters), data storage for trend analysis |
| Weight |
4-5 kg (varies by packaging) |
| Installation Orientation |
Vertical or horizontal (recommended upright for optimal performance) |
| Input Signal |
4-20 mA DC |
| Output Signal |
Pneumatic signal for valve actuation |
| Flow Capacity |
410 SLPM (standard liters per minute at 30 psi) |
| Additional Features |
Local LCD display, ValVue software compatibility, modular upgrade platform |
3. Application Fields
3.1 Oil and Gas Industry
In the oil and gas industry, the Masoneilan SV12 - 21113111 is widely used in various processes. It is used to control the flow of oil and gas in pipelines, ensuring that the correct amount of fluid is transported to different stages of production, processing, or distribution. It also plays a crucial role in wellhead control, where it helps in regulating the pressure and flow of oil and gas coming out of the wells. Additionally, in refineries, the valve positioner is used to control the valves in processes such as distillation, cracking, and blending.
3.2 Chemical Industry
The chemical industry requires precise control of valves to ensure the safe and efficient production of chemicals. The SV12 - 21113111 is used in chemical reactors to control the flow of reactants and products. It helps in maintaining the correct reaction conditions by accurately adjusting the valve positions. In chemical plants, it is also used in processes such as filtration, separation, and storage, where precise control of fluid flow is essential to prevent contamination and ensure product quality.
3.3 Power Generation
In power plants, whether they are coal - fired, gas - fired, or nuclear, the SV12 - 21113111 valve positioner is used to control a variety of valves. It controls the valves in the steam cycle, such as those in the boiler feedwater system, turbine bypass system, and condenser air extraction system. By accurately positioning these valves, it helps in optimizing the power generation process, improving the efficiency of the plant, and ensuring stable power output.
3.4 Water and Wastewater Treatment
In the water and wastewater treatment industry, the SV12 - 21113111 is used to control the flow of water and wastewater in treatment plants. It helps in processes such as water intake, filtration, disinfection, and sludge handling. Precise control of valves is necessary to ensure that the treatment processes are carried out effectively and that the quality of treated water meets the required standards.
In conclusion, the Masoneilan SV12 - 21113111 valve positioner is a top - of - the - line product that offers high precision, fast response, reliability, versatility, and advanced diagnostic capabilities. Its wide range of applications in various industrial sectors makes it an essential component for modern industrial automation and process control.
Company Profile
KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
Packaging & Shipping
The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.
FAQ
Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
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