Product Description
DN25 Industry Stainless Steel Butterfly Valve
Specifications:
Pressure: PN10/16( 150/200 PSI)
Actuator: handle/gear box /pneumatic /electric
Standard: API, ASTM, ANSI , DIN, BS, JIS ,ISO
End connection: wafer type, flange type, lug type
Body: aluminum, cast iron, ductile iron, carbon steel, stainless steel
Disc: cast iron, ductile iron, carbon steel , stainless steel
Stem: carbon steel, stainless steel
Seat: EPDM, PTFE, NBR
| Product Name | DN25 Industry Stainless Steel Butterfly Valve |
| Size: | 1″–12″ |
| Material: | Cast iron, ductile iron, stainless steel304/316, carbon steel,Ductile iron coated by nickel, Stainless Steel 304/316, Aluminum Bronze,NBR, EPDM, Fluorine Rubber, Silicon Rubber, PTFE |
| Woking Pressure: | ≤1.6Mpa |
| Certificate: | ISO9001: 2000,CE |
| Suitable medium: | Water, Oil, Gas And Some Corrosive Liquid |
| TemperatureRange: | -20 to 80 Degree C |
| Investment: | casting body and cap |
| End connection Std: | ASME B16.5,DIN 2543-2545 |
| Test standard: | ISO 5208,BS 6755 |
| Structure Type: | Center line pattern,Double Eccentric pattern,Three Eccentric pattern |
| Operated way: | Hand Wheel,Worm Gear,Pneumatic,Electric Acturtor |
| Our advantage: | Competitive price and good after-sale service Can do OEM products Print logo requested on Quantity first, Customer upmost ! |
| Delivery time: | 15-30 Days According To Order QTY |
| Shipping port | HangZhou,ZheJiang |
| Term of Payment: | 30%TT Deposit, the balance is paid before shipping the goods |
Application:
These products are widely used in water source projects, urban water supply and drainage, sewage treatment, electric power, petroleum, petrochemical, heat supply, shipbuilding, medicine and metallurgy industries. Valves used for regulating or cutting off liquids in pipelines.
Strengths of butterfly valve:
1. It is single and compact in structure and light in weight, and easy for assembly and disassembly, and maintenance.
2. The operating torque of it is small. When turning 90(it can open or close with light and fast action.
3. It is small in flowing resistance and good in energy-saving effect, with discharge characteristic approximating inclined straight line.
4. It is featured by reliable sealing, zero leakage with 10 thousands of opening and closing times.
5. The valve can be made of various materials, adapted all kinds of medium.
Our low price, good quality products and promised delivery time brought the trust of client globally. If you are interested in our products, kindly please inform me anytime. We are glad to prepare a quotation for perchasing reference and quite sure our offer will extend an added advantage over to your current source of supplies. Furthermore, we are also able to process order as per your demand.
Our Certificates:
FAQ:
1 Are you a factory or trading company?
We are a factory specialized in manufacturing valves and fitting over 10 years.
And we have got the verification of compliance for ball valve from ECM and ISO9001 certificate of manufacturing and processing of valves and fittings.
2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.
3 Do you have a minimum quantity of the products?
No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
4 Are samples available to be sent with free?
It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.
5 Can you print our Logo on the valves?
Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing.
6 What is your lead time?
It’s around 30 days normally. If we have the products in stock, it will be about 15days
7 How can I check your factory situation while it’s difficult for me to come to China?
We have photos and videos on our website and face book, It shows every step of the manufacturing.
We also have a showroom in CA, USA. If you have time, you can take a look.
8 How can you guarantee the quality of products?
First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve or fitting we sell is qualified.
9 How long is the quality guarantee period?
We supply 6 to 12 months for quality guarantee according to customers’ using frequency.
10 How do you pack?
Plastic bags——-Paper boxes——-Cartons——-Plywood cases
Fore more details information, welcome to contact us.
Website: yuzhengvalve
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| Media: | Water |
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| Driving Mode: | Worm Gear |
| Connection Form: | Wafer |
| Samples: |
US$ 3/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Is it Possible to Reverse the Direction of a Worm Gearbox?
Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:
- Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
- Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
- Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
- Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
- Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.
If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
- Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
- Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
- Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
- Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
- Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
- Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
Types of Worm Gear Configurations and Their Uses
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
- Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
- Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
- Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
- Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
- Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
- Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.
editor by CX 2024-03-03