Product Description
1 inch butterfly valve gearbox type from china
Pressure and temperature
Working pressure |
PN10, PN16, CL150, JIS 5K/10K |
Testing pressure |
Shell: 1.5 times rated pressure Seat: 1.1 times rated pressure |
Working temperature |
-10 °C to 80°C (NBR) -10 °C to 120°C (EPDM) -10 °C to 150°C (PTFE) |
Suitable media |
water, oil and gas |
Product detail
Parts |
Material |
Body |
Cast iron, Ductile iron, Carbon steel, Stainless steel. |
Seat |
EPDM, NBR, VITON, PTFE |
Disc |
Nickel ductile iron, AI bronze, Stainless steel, Carbon steel, Nylon |
Stem |
Carbon steel, Stainless steel |
Bushing |
PTFE |
“O” ring |
PTFE |
Pin |
Stainless steel |
Key |
Stainless steel |
Standard
Design Standard |
EN 593, MSS SP67, API 609, BS5155 |
Inspection & Test |
API 598, ISO 5208, EN 12266 |
End Standard |
ANSI: B16.1 CL 125LB; B16.5 CL 150LB; B16.47 150LB. AS: 2129 Table D & E BS 10 Table D & E DIN: 2501: PN6, PN10 & PN16 EN: 1092: PN6, PN10 & PN16 ISO 2531: PN6, PN10 & PN16 ISO 7005: PN6, PN10 & PN16 KS: B 1511 / JIS B 2210 5K & 10K MSS: SP44 CL. 150LB AWWAC207 SABS: 1123 Table 1000/3 & Table 1600/3 |
Face to Face |
ISO 5752, EN 558, MSS SP67, API 609 and DIN3202 |
Top Flange |
ISO 5211 |
Different Types of Butterfly Valve
We can produce various types of butterfly valves according to your requirement and drawings.
Production Equipment
Packing & Delivery
Company Profile
LIKE VALVE (ZheJiang ) Co., Ltd locates in ZheJiang -next to the largest sea port in North -ZheJiang seaport; with more than 20 years experienced managing, manufacturing and quality control team; make efforts to produce high level quality valves of China.
Like valve has design research and development, manufacturing, marketing and aftersale services. We have the independent R&D center, advanced manufacturing technology and strictly implement the relevant international standards.
With advanced engineering design approaches, well-developed manufacturing equipment, testing verification facilities and strict QC as per ISO9001 certificate system, we “Like Valve” ensure that each part in every product we supply is in high quality and performance.
We specialize in in water valves: such as butterfly valve, gate valve, check valve, Hydraulic control valve, strainers, WRAS certified material avaiable; and oil and gas valves such as: gate valve, globe valve, ball valve, check valve, strainers etc, with API 6D certificate; also and other series products. We also customize valves in different materials, pressure, size and other products, according to customers requirement.
“Like Valve” products have exported to more than 18 countries: such as USA, Argentina, Brazil, Russia, Spain, UAE, Morroco, India, Bangladesh etc; widely used in water supply and drainage, construction, electricity, oil and gas pipe, petrochemical, metallurgical and other industries. Product ingenuity, high quality and reasonable price, trusted by the user.
Products Categories
FAQ
Q1: What certificates can you offer?
A:ISO,CE,API 6D,WRAS
Q2: Do you accept OEM?
A:Yes
Q3: Can i get a sample?
A:Yes, of course.
Q4:What is your MOQ?
A:1 pcs acceptable, more discount for larger quantity.
Q5:If all products will do test?
A:Sure, our products is tested piece by piece before delivery, no sampling test.
Q6: What is the payment term.
A:T/T, L/C, Credit Card, or other by discussion
Q7: What is delivery time?
A:Common standard commonly material valves in 7-20 days according to quantity
Q8: What is the warranty?
A:Standard valves warranty: 1 year after delivery.
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Media: | Water |
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Driving Mode: | Manual |
Connection Form: | Wafer |
Structure: | Centre Sealing |
Seal Form: | Auto Sealed |
Valve Stem: | Normal |
Samples: |
US$ 27/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
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Common Problems and Troubleshooting for Worm Gearboxes
Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:
- Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
- Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
- Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
- Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
- Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
- Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
- Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
- Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.
If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.
Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect | Worm Gearbox | Helical Gearbox |
Efficiency | Lower efficiency due to sliding friction between the worm and worm wheel. | Higher efficiency due to rolling contact between helical gear teeth. |
Torque Transmission | Excellent torque transmission and high reduction ratios achievable in a single stage. | Good torque transmission, but may require multiple stages for high reduction ratios. |
Noise and Vibration | Generally higher noise and vibration levels due to sliding action. | Lower noise and vibration levels due to smoother rolling contact. |
Backlash | Higher inherent backlash due to the design. | Lower backlash due to meshing of helical teeth. |
Efficiency at Higher Speeds | Less suitable for high-speed applications due to efficiency loss. | More suitable for high-speed applications due to higher efficiency. |
Overload Protection | Natural self-locking feature provides some overload protection. | May not have the same level of inherent overload protection. |
Applications | Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. | Widely used in various applications including automotive transmissions, industrial machinery, and more. |
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
editor by CX 2024-03-30
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