Product Description
Valve Worm Gear Turbine-Driven Actuator China Worm Gear Actuator Manual Drive Gearbox for Butterfly Valve/Gate Valve/Ball Valve/Check Valve
Product Description
Valve gearbox available in specifications ranging from DN50 to DN1200, and offered in manual, pneumatic, and electric variants. It is primarily used for various valve products such as ball valves, butterfly valves, etc., and finds applications in industries including petroleum, thermal power, electric power, metallurgy, etc. It provides strong support for the production and transportation needs of various industries.
Our valve actuator features a compact design with high efficiency, suitable for a wide range of industrial applications. With a robust construction, it provides reliable performance and precise control of valve operations. The actuator offers adjustable input torque and output torque to meet various operational requirements. It comes with limit adjustment capabilities for added flexibility. Equipped with standard flange outer diameter and connection hole centers, this actuator ensures easy installation and compatibility. Additionally, the product includes features such as a concave surface, standard shaft hole, and handwheel outer diameter for enhanced usability.
Key Features:
- Precise Control: The actuator enables precise control of valve operations, allowing for accurate regulation of flow and pressure.
- Adjustable Torque: It offers adjustable input and output torque, making it adaptable to different operational requirements.
- Flexibility: With limit adjustment capabilities, the actuator provides flexibility in setting valve opening and closing positions.
- Easy Installation: Equipped with a standard flange outer diameter and connection hole centers, the actuator ensures easy and hassle-free installation.
- Compatibility: The actuator is designed to be compatible with various valve types and sizes, providing versatility in application.
- Enhanced Usability: It features a concave surface, standard shaft hole, and handwheel outer diameter, facilitating convenient manual operation when needed.
Detailed Photos
Product Parameters
| Model | 2# | 3# | 4B# | 4# | 5# | 6# | 7# | 7B# |
| Gear ratio | 45:1 | 43:1 | 48:1 | 48:1 | 55:1 | 54:1 | 53:1 | 58:3 |
| Input torque | 43 | 55 | 72 | 92 | 107 | 145 | 170 | 90 |
| Output torque | 550 | 750 | 1000 | 1325 | 1750 | 2350 | 2700 | 5250 |
| Limit adjustment | ±5° | ±5° | ±5° | ±5° | ±5° | ±5° | ±5° | ±5 |
| Flange outer diameter | 125 | 125 | 150 | 150 | 175 | 210 | 230 | 230 |
| Center of connection hole | 102 | 102 | 125 | 125 | 140 | 165 | 185 | 185 |
| Concave surface | 70 | 70 | 85 | 85 | 100 | 130 | 130 | 130 |
| Number of holes-bolts | 4-M10 | 4-M10 | 4-M12 | 4-M12 | 4-M16 | 4-M16 | 4-M16 | 4-M16 |
| Standard shaft hole | / | / | 31.5 | 34 | 39.7 | 45 | 50 | 50 |
| Standard key width X number | 18×18(square) | 22×22(square) | 8×2 | 10×2 | 12×2 | 14×4 | 14×4 | 14×4 |
| Handwheel outer diameter | 190 | 230 | 250 | 280 | 320 | 350 | 350 | 350 |
| Ball valve accessories | DN80 | DN100 | DN125 | DN150 | DN200 | DN250 | DN300 | DN300 |
Certifications
Our factory haspassed ISO 9001 certification and SGS on-site certification, and has been recognized as a high-tech enterprise.
Packaging & Shipping
Packaging and transportation: carton, wooden box (size can be negotiated);
Company Profile
HangZhou WHangZhou Mechanical Manufacturing Co., Ltd.. is located in Xihu (West Lake) Dis.n County, HangZhou City, ZheJiang Province. Established in 2014, it is a production and processing enterprise integrating manufacturing, assembly, and sales. Its main products include valve stems, valve actuators, and other accessories, with the ability to customize processing according to customer needs. It currently has over 100 sets of equipment, including machining centers, CNC lathes, and more. The company has passed ISO9001 quality management system certification and has been honored as a national high-tech enterprise, among other accolades
Our Advantages
1.We have 20 years of production experience
2. We have a professional R&D team that can customize molds according to needs
3. We have over 130 machining centers, precision machine tools, broaching machines, tapping machines, and turning and milling machines, with high precision
4. self owned laboratories that can provide testing reports on materials, performance, torque, etc
FAQ
Q: What information needs to be provided before placing an order?
Answer: If possible, please provide detailed drawings. b) Samples without drawings. c) Purchase quantity. d) Other special requirements.
Q: Are you a factory or a trading company?
Answer: We are a factory with over 20 years of experience specializing in the production and development of valve worm gears and valve stem shafts, for 130 devices, with a professional R&D team.
Q: Can you customize according to our requirements?
Answer: Yes, we can design non-standard products according to the customer’s special requirements.
Q: How long is the delivery time?
Answer: According to the quantity, it usually takes 15-60 working days.
Q: Where is your factory?
Answer: We are located in Xihu (West Lake) Dis.n, the beautiful hometown of roses, HangZhou City, ZheJiang Province
Q: What are your payment terms?
Answer: 30% advance payment, 70% payment before shipment.
Q: Has the product undergone quality inspection before loading?
Answer: Of course, all of our products undergo strict quality testing before packaging. Unqualified products will be destroyed, and customers can also designate a third party to inspect before loading.
Q: How is the product packaged?
Answer: Standard export sea freight packaging, with waterproof paper on the inner layer and iron packaging fixed on the outer layer, plus fumigated wooden pallets. It can effectively protect products from corrosion during CHINAMFG transportation and the impact of various climate changes.
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Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
- Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
- Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
- Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
- Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
- Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
- Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
- Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
- Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
- Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
- Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
- High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
- Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
- Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
- Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
- High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
- Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
- Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by lmc 2024-11-28
