I. Product Overview
The Sanitary Ball Valve is a valve device composed of an electric actuator and a ball valve. The electric actuator receives an external control signal, driving the ball valve core to rotate, opening and closing the pipeline medium and regulating its flow. It offers advantages such as simple operation, rapid response, high control precision, and a high degree of automation. It is widely used in pipeline systems in various fields, including petroleum, chemical, electric power, metallurgy, and water supply and drainage.​
II. Specifications
(I) Nominal Diameter
1. Range: DN15 - DN300 (Special specifications available upon request)
1. Common Specifications: DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300
(II) Nominal Pressure
1. PN Series: PN10, PN16, PN25, PN40, PN63, PN100
1. Class Series: Class150, Class300, Class600, Class900, Class1500
(III) Connection Type
1. Flange Connection: Complies with GB/T 9113, HG/T 20592, and ASME B16.5 Flange sealing surface types include raised face (RF), flat face (FF), grooved face (MFM), and tongue-and-groove (TG).
1. Threaded Connection: Complies with standards such as GB/T 7306 and ASME B1.20.1. Suitable for small-diameter valves. Connection thread types include tapered pipe thread (NPT) and straight pipe thread (G).
1. Wafer Connection: The valve is clamped between two flanges or a dedicated flange for wafer-type butterfly valves. Suitable for installations with limited space.
1. Welded Connection: Includes butt welding (BW) and socket welding (SW). Suitable for high-temperature, high-pressure, and extremely demanding sealing conditions. Welding standards comply with GB/T 12459 and ASME B16.9.
(IV) Valve Body Materials
1. Metal Materials
∙ Carbon Steel (WCB, WCC): Has excellent overall mechanical properties and is suitable for general industrial applications. The operating temperature range is -29°C. 425°C
∙ Stainless steel (304, 304L, 316, 316L, 321, etc.): Highly corrosion-resistant, widely used in the chemical, food, and pharmaceutical industries, with an operating temperature range of -196°C to 815°C
∙ Alloy steel (1Cr5Mo, 12Cr1MoV, etc.): High strength and heat resistance, suitable for high-temperature, high-pressure, and special media applications, with an operating temperature range of 550°C to 650°C
1. Non-metallic materials
∙ Plastics (PVC, UPVC, PP, PE, etc.): Excellent corrosion and chemical resistance, suitable for conveying corrosive media, with an operating temperature range of -20°C to 80°C
∙ Ceramics: Excellent wear, corrosion, and high-temperature resistance, suitable for conveying highly abrasive and corrosive media, with an operating temperature range of up to Above 1000°C
(V) Valve Spool Material
1. Metal material similar to the valve body: Suitable for general media and operating conditions
1. Special alloy materials: Such as Hastelloy and Monel, which have extremely strong corrosion resistance and are used to handle highly corrosive media, such as solutions containing large amounts of chloride ions
1. Surface-hardened metal materials: Surface treatment processes such as nitriding and hard chrome plating improve the hardness and wear resistance of the valve spool. Suitable for applications with abrasive media such as particles and suspended matter
(VI) Sealing Materials
1. Soft Seals
∙ Polytetrafluoroethylene (PTFE): Features excellent chemical stability, corrosion resistance, and a low friction coefficient. Its applicable temperature range is -100°C to 250°C, making it one of the most commonly used soft sealing materials.
∙ Reinforced Polytetrafluoroethylene (RPTFE): PTFE is reinforced with glass fiber, carbon fiber, and other materials to improve its mechanical strength and wear resistance. Its applicable temperature range is similar to PTFE. Similar
∙ Rubber (NBR, EPDM, FKM, etc.): Nitrile rubber (NBR) offers excellent oil resistance and is suitable for conveying oil and other media. Its operating temperature range is -40°C to 120°C. Ethylene propylene rubber (EPDM) offers excellent weather and water resistance and is suitable for media such as water and steam. Its operating temperature range is -50°C to 150°C. Fluororubber (FKM) offers excellent high-temperature and corrosion resistance and an operating temperature range of -20°C to 250°C.

1. Hard Seals
∙ Metal-to-Metal Seals: Utilizing a unique combination of metal materials and a sealing structure, these seals are suitable for harsh operating conditions such as high temperature, high pressure, and high abrasion, such as high-temperature, high-pressure steam and media containing solid particles. The sealing surfaces are precision machined and polished to ensure excellent sealing performance. Operating temperatures can reach over 650°C.
∙ Ceramic Seals: Ceramic materials offer high hardness, high wear resistance, and excellent corrosion resistance, making them suitable for sealing highly abrasive and corrosive media. Operating temperatures can reach... 1000°C and above
(VII) Actuator Parameters
1. Power Supply Type
∙ AC Power Supply (AC): Common voltage levels include 220VAC and 380VAC, with frequencies of 50Hz or 60Hz, suitable for most industrial and residential applications.
∙ DC Power Supply (DC): Common voltages include 24VDC and 110VDC, suitable for control systems requiring DC power, such as highly automated equipment or applications requiring explosion-proof operation.
1. Output Torque
∙ Range: Depending on valve specifications and operating requirements, actuator output torque ranges from 50N·m to 5000N·m.
∙ Selection Basis: Comprehensive consideration should be given to factors such as the valve's nominal diameter, nominal pressure, media characteristics, operating temperature, and valve operation mode (on-off or modulating) to ensure the actuator can provide sufficient torque to drive the valve properly.
1. Actuation Time
∙ On-off actuators: The actuation time from fully open to fully closed or from fully closed to fully open is generally between 5s and 60s. The specific time can be adjusted according to user needs.

∙ Modulating actuators: Response time is typically between 1s and 10s to meet the requirements for rapid and accurate flow control.

1. Control Signal

∙ On-off actuators: Typically receive switching signals (such as passive contact signals, level signals, etc.) to control the opening and closing of the valve.

∙ Modulating actuators: Common control signals include 4-20mA analog signals, 0-10V analog signals, and digital communication signals (such as Modbus and Profibus). These signals can be selected based on the requirements of the control system to achieve precise adjustment of the valve opening.

(VIII) Protection Level

1. Dust and Waterproof Level: The protection level of the actuator housing generally meets the IP standard. Common levels include IP54, IP55, IP65, and IP67.

∙ IP54: A lower protection level, providing protection against dust and splashing water from all directions, but cannot be immersed in water for long periods of time.

∙ IP55: Better protection than IP67. IP54: Protects against water jets at a certain pressure, suitable for general industrial environments.
∙IP65: Provides excellent dust and water resistance, protecting against water jets from all directions and short-term immersion.
∙IP67: Completely protects against dust intrusion and can withstand immersion in water at a certain depth for a certain period of time. Suitable for harsh outdoor environments or applications where water contact is possible.
1. Explosion-proof Rating (for applications requiring explosion-proof protection): The actuator's explosion-proof rating complies with relevant national standards, such as Exd II BT4 and Exd II CT6.
∙Exd II BT4: Suitable for Class IIB explosive gas environments, temperature class T4 (maximum surface temperature not exceeding 135°C).
∙Exd II CT6: Suitable for Class IIC explosive gas environments, temperature class T6 (maximum surface temperature not exceeding 135°C). 85°C), with enhanced explosion-proof performance, suitable for use in more hazardous explosive environments.

III. Technical Features
1. Low Fluid Resistance: The ball valve core is spherical. When fully open, the ball channel is consistent with the pipe's inner diameter, ensuring smooth fluid flow and a low fluid resistance coefficient, effectively reducing energy consumption in the pipeline system.
1. Excellent Sealing Performance: The soft-seal ball valve utilizes high-quality sealing materials, such as PTFE, rubber, and other materials provide excellent sealing with minimal leakage. Hard-seal ball valves, through precision machining and sealing design, ensure reliable sealing performance even under harsh operating conditions such as high temperature and high pressure.
1. Fast switching speed: The electric actuator responds quickly, enabling the valve to fully open or close in a short period of time, meeting emergency shutoff or rapid control requirements.
1. Good regulating performance: For regulating electric ball valves, adjusting the actuator's control signal allows precise control of the valve opening, enabling continuous adjustment of parameters such as flow and pressure. High regulation accuracy and a flow characteristic curve approaching equal percentage or linearity effectively meet the requirements of industrial process control.
1. Long service life: The valve's internal components are manufactured from high-quality materials and undergo rigorous processing and quality inspection. It has excellent wear and corrosion resistance and mechanical strength. Under normal use and maintenance conditions, it can operate stably for a long time, reducing equipment repair and replacement costs.
1. High degree of automation: It can be integrated with automated control systems to achieve remote control, centralized monitoring, and automatic adjustment, improving the automation level of the production process, reducing manual operation intensity, and improving production efficiency and safety.
IV. Application Scenarios
1. Petrochemical Industry: Used for transporting various petroleum and chemical raw materials and products, such as crude oil, refined oil, natural gas, acids, alkalis, and saline solutions, playing an important role in pipeline shutoff, flow regulation, and pressure control.
1. Power Industry: Used in pipeline systems for steam, water, fuel oil, and gas in power generation processes such as thermal power generation, hydropower generation, and nuclear power plants. The valves are used to control the start and stop of existing equipment, regulate flow, and provide safety protection.
1. Metallurgical Industry: Applied to various media transport pipelines in the smelting processes of steel and non-ferrous metals, such as blast furnace gas, oxygen, nitrogen, and cooling water, ensuring stable production operations and precise control of process parameters.
1. Water Supply and Drainage Industry: Used in urban water supply, sewage treatment, building water supply and drainage systems to control water flow, regulate water volume and pressure, and ensure safe water supply and smooth drainage.
1. Food and Beverage Industry: Meets the stringent requirements for sanitary valves in food and beverage production processes. Used for transporting media such as drinking water, milk, juice, and beer. Valve materials and surface treatments meet food hygiene standards to ensure product safety.
1. Pharmaceutical Industry: Valve sealing is crucial during pharmaceutical production. Electric ball valves are used for pipeline control of various media, such as liquid chemicals, steam, and process water, ensuring the quality and safety of the pharmaceutical production process.
1. Environmental Protection Industry: In environmental protection projects such as waste gas treatment, wastewater treatment, and landfills, they are used to control the transportation and treatment of various corrosive, toxic, and hazardous media, ensuring the normal operation of environmental protection equipment and the compliance of pollutant emissions.
V. Selection Guide
1. Determine Operating Parameters: Define the type of media in the pipeline, temperature, pressure, flow rate, and other parameters, as well as the valve's operating mode (on-off or modulating), control signal type, installation location, and space constraints.
1. Select Valve Type: Based on the media characteristics and operating requirements, select the appropriate valve body material, valve core material, sealing type, and connection method. For example, for corrosive media, a corrosion-resistant stainless steel or non-metallic valve body should be selected. For high-temperature and high-pressure applications, a hard-sealed ball valve and corresponding high-temperature-resistant materials can be selected.

1. Calculate actuator parameters: Based on the valve's nominal diameter, nominal pressure, media characteristics, and operating mode, calculate the required actuator output torque. Considering the on-site power supply conditions and control requirements, select the appropriate power supply type, actuation time, and control signal interface.

1. Consider the protection level: Determine the required protection level of the actuator based on the installation environment. For example, for outdoor or humid environments, select a product with a higher protection level of IP65 or IP67. For locations with explosion hazards, select an actuator that meets the corresponding explosion-proof rating requirements.

1. Consider brand and quality: Choose electric ball valves from reputable brands to ensure reliable quality, stable performance, and guaranteed after-sales service. Compare and select products from different brands by consulting product samples, user reviews, and industry reputation.

1. Consulting Professionals: If you have questions about selecting an electric ball valve, consult the valve manufacturer's technicians or professional engineering design staff for more accurate and detailed selection advice and technical support.

VI. Installation and Maintenance

(I) Installation

1. Pre-installation Inspection: Carefully inspect the valve model, specifications, and material to ensure it matches the design requirements. Check the exterior for damage or deformation, the interior of the valve for cleanliness, and the sealing surface for scratches, wear, and other defects. Also, check the actuator wiring for security, the power supply voltage, and the smooth operation of the actuator.

1. Installation Location: Install the valve in a location that is easily accessible for operation, maintenance, and repair. Avoid installation in blind spots or inaccessible areas of the pipeline. For horizontal pipes, the valve stem should generally be installed vertically. For vertical pipes, the valve should be installed above or to the side of the horizontal pipe for easy access and observation.

1. Connection Installation

∙ Flange Connection: Align the flanges on both ends of the valve with the pipe flanges. Insert the bolts and tighten them evenly. Pay attention to the installation position and tightness of the gasket to ensure a reliable seal. Tighten the bolts symmetrically to avoid flange deformation or seal failure due to uneven force.

∙ Threaded Connection: Apply an appropriate amount of sealant to the threaded connection between the valve and pipe, then screw the valve into the pipe. Pay attention to the screw-in depth and tightening torque to avoid thread damage or a poor seal.

∙ Wafer Connection: Place the wafer valve between the two flanges, align the bolt holes, insert the bolts, and tighten. The installation dimensions of the wafer valve should match the dimensions of the pipe flange to ensure a secure installation.

∙ Welded Connection: Preheat the valve before welding and perform welding according to welding procedure requirements to ensure weld quality. After welding, perform a flaw detection inspection to check for defects such as pores and cracks. During welding, care should be taken to protect the valve sealing surface and actuator from damage due to high temperatures.
1. Actuator Installation: Install the actuator on the valve according to the product manual, ensuring a secure and concentric connection between the actuator and valve. When connecting the actuator's control and power cables, ensure the wiring is correct and secure to avoid short circuits, open circuits, and other problems.
1. Commissioning: After installation, the electric ball valve should be commissioned. First, check that the valve opens and closes normally and that the actuator operates smoothly and reliably. Then, test the valve's remote control function and adjustment performance by sending control signals through the control system to ensure that the valve accurately responds to control signals and achieves the intended control objectives.
(II) Maintenance
1. Regular Inspections:

Regularly inspect the valve's exterior for damage and corrosion, sealing surfaces for leaks, actuator operation, and loose connections. For valves in long-term operation, a comprehensive inspection is recommended quarterly or semi-annually.

1. Cleaning and Maintenance: Keep the valve and actuator clean, regularly removing dust, oil, and impurities from the surfaces. The valve interior can be cleaned regularly, depending on the media properties and usage, to prevent impurity accumulation that could affect normal operation.

1. Lubrication and Maintenance: Regularly add lubricant to the valve's rotating parts, such as the stem and valve core, to ensure smooth rotation and reduce wear. The choice of lubricant should be determined based on factors such as the valve's operating temperature and the media characteristics.

1. Seal Maintenance: Inspect the valve's sealing surface for wear and scratches. Minor damage can be repaired; severe damage requires prompt replacement of the seal. For soft-seal valves, pay attention to the service life of the sealing material and regularly replace aging or deformed seals to ensure proper sealing performance.

1. Actuator Maintenance: Check the actuator's motor, gearbox, controller, and other components for proper operation. Regularly clean dust from the motor, check the gearbox oil level and quality, and replenish or replace the lubricant promptly. For modulating actuators, regularly calibrate the control signal and travel feedback signal to ensure control accuracy.

1. Troubleshooting: When a valve malfunctions, promptly analyze the cause and address it. Common faults include valve leakage, actuator inactivity, and abnormal control signals. If you encounter a problem that you cannot resolve yourself, you should promptly contact a professional repair technician or the valve manufacturer's after-sales service department.
VII. Ordering Instructions
1. Product Model: Specify the specific model of the electric ball valve you require, such as Q911F-16C, Q941F-25P, etc. The model number should include key information such as valve type, connection type, nominal pressure, and valve body material.
1. Nominal Diameter: Provide the valve's nominal diameter in millimeters.
1. Nominal Pressure: Indicate the valve's nominal pressure rating, such as PN10, PN16, Class 150, etc.
1. Connection Type: Specify the connection method used for the valve, such as flange, threaded, wafer, or welded, and provide the corresponding connection dimensions and standards.
1. Body Material: Specify the valve body material, such as carbon steel, stainless steel, plastic, or ceramic, and specify the specific material grade, such as 304, 316L, or WCB. etc.
1. Valve Core Material: Select the appropriate valve core material based on the media characteristics and operating conditions, and indicate the material name and brand.
1. Sealing Material: Specify the sealing material used for the valve sealing surface, such as PTFE, RPTFE, NBR, EPDM, FKM, etc., as well as the sealing type (soft seal or hard seal).
1. Actuator Parameters:
∙ Power Supply Type: AC power supply voltage level and frequency, such as 220VAC.