Product Description

Product Description

Material

304/316/316L/CF3/CF8/CF8M/1.4301/1.4408/1.4404/SCH22/SCS13/SCS14/17-4PH/WCB/GS45/HK

Standard

DIN / JIS / ASTM / ASME / BS / GB / ISO

Thread Ending NPT / BSPT / BSP / DIN / ISO 
Product weight 0.005kg~45kg
Dimensional tolerance Casting ISO8062 CT5~CT7 ; Machining ISO2768
Manufacturing process Precision casting, investment casting, precision machining NC/CNC

Application

Stainless Steel Pipe System,water system, petrolum system etc.Medicine, food, chemical industry, etc

Type Tee, elbow, union, pair wire, quick connector, clamp connector, valve, valve body,
pump, impeller, mechanical parts, food machinery, stainless steel customized parts

Service

OEM 

Delivery

By Sea / By Air / By Express

Shipping port ZheJiang / QingDao / ZheJiang /BeiJin 

Packing

Carton Box / Plywood Case / Special Packaging CZPT Customer Requirements

Supply cycle Samples are 25-35 days; the order can be adjusted according to the situation for 55 days of normal manufacturing period.

Payment Terms

100% TT / 30%TT in advance, balance 70% before delivery

Our advantage We have more than 15 years of manufacturing management experience;
we have professional technical engineers in investment casting, machining and quality inspection;
we have long-term stable and continuous optimization of product quality and supply cycle management plHangZhou.

Product Show


FAQ
1,What are your strengths?
We have foundry workshop and machining workshop; We have an independent quality inspection team and production process management team; We can provide you with the drawing mapping, mold or product design and manufacturing, as well as the inspection and monitoring management of your products in China;
2,When can I get the price?
The quotation shall provide detailed and complete information within 24 hours after receiving the inquiry. And solutions.
3,How long can you finish the sample?
It is usually completed in 3-5 weeks; Different products adjust the cycle.
4,How long can you finish the order?
After receiving the sample confirmation information, the casting time is usually 6-7 weeks; The finished product was added for another 2-3 weeks;

We welcome your inquiry and cooperation!
HangZhou CZPT Electric Technology Co., Ltd

 

fluid coupling

Fluid Couplings in Wind Turbines for Power Generation

Yes, fluid couplings can be used in wind turbines for power generation, and they play a significant role in optimizing the performance and efficiency of the turbine system. In a wind turbine, the fluid coupling is typically installed between the rotor hub and the main gearbox.

Here’s how fluid couplings are beneficial in wind turbines:

  • Soft Start and Load Distribution: During the startup phase, the wind turbine experiences varying wind speeds, and a fluid coupling allows for a smooth soft start by gradually transferring torque from the rotor to the gearbox. This reduces mechanical stress on the components and prevents sudden load shocks.
  • Torque Limiting: In high wind conditions, when the wind speed exceeds the rated limit, the fluid coupling can slip, decoupling the rotor from the gearbox. This torque limiting feature protects the gearbox and other drivetrain components from overloading and potential damage.
  • Torsional Vibration Damping: Wind turbines are subject to dynamic loads and torsional vibrations due to wind gusts. The fluid coupling acts as a torsional damper, damping these vibrations and ensuring smoother and stable operation of the system.
  • Overload Protection: If there is a sudden increase in wind speed, causing an overload condition, the fluid coupling helps absorb the excess torque and protects the turbine from overloading.
  • Contamination Prevention: Wind turbine environments are often exposed to dust, dirt, and moisture. The fluid coupling provides an enclosed and sealed environment for the drivetrain, preventing contaminants from entering and extending the life of internal components.
  • Redundancy: Some wind turbine designs employ multiple drivetrain stages, including redundant fluid couplings. This redundancy can enhance the reliability and safety of the turbine by providing backup systems in case of component failures.
  • Energy Efficiency: By facilitating smooth start-ups and load distribution, fluid couplings contribute to the overall energy efficiency of the wind turbine system. This allows the turbine to harness wind energy more effectively and generate electricity efficiently.

Incorporating fluid couplings in wind turbines helps improve their overall performance, reliability, and lifespan while reducing maintenance requirements and operating costs. As a result, they are commonly used in modern wind turbine designs to optimize power generation from renewable wind resources.

fluid coupling

Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods

The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.

In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.

fluid coupling

Principle of Hydrodynamic Fluid Coupling

A hydrodynamic fluid coupling operates on the principle of hydrokinetics, utilizing hydraulic fluid to transmit power between an engine or prime mover and a driven load. The key components of a fluid coupling are the impeller, the turbine, and the housing filled with hydraulic fluid.

Here’s how the principle works:

  1. Impeller: The impeller is connected to the engine’s crankshaft and is responsible for driving the hydraulic fluid. As the impeller rotates, it creates a flow of fluid within the housing.
  2. Fluid Flow: The rotational motion of the impeller causes the fluid to move radially outward, towards the housing walls. This generates a high-velocity fluid flow in the housing.
  3. Turbine: The turbine is connected to the driven load, such as a transmission or machinery input shaft. As the fluid flows onto the blades of the turbine, it causes the turbine to rotate.
  4. Power Transmission: The kinetic energy of the high-velocity fluid is transferred to the turbine, resulting in the rotation of the driven load. The power transmission is achieved purely through the hydrodynamic effect of the fluid flow.
  5. Slip: In a fluid coupling, there is always a slight difference in speed (slip) between the impeller and the turbine. This slip is necessary to allow the fluid to accelerate from rest to the speed of the turbine. As a result, the output speed of the driven load is always slightly less than the input speed from the engine.

Hydrodynamic fluid couplings provide several advantages, such as smooth power transmission, overload protection, and torsional vibration dampening. However, they do not provide torque multiplication like torque converters do, making them more suitable for applications where precise speed matching is required.

China Hot selling Metal Hose Safety Coupling Is Used for Petrochemical High-Pressure Fluid Pipeline  China Hot selling Metal Hose Safety Coupling Is Used for Petrochemical High-Pressure Fluid Pipeline
editor by CX 2023-08-15