Tag Archives: hydraulic hose quality

China OEM Hot Sale High Quality Hydraulic Rubber Hose Sanyeflex Industry Equipment and Mining Machine Reasonable Price Tube Hose Fittings Couplings

Product Description

SANYEFLEX   Reliable Hydraulic Hose Manufacturer

Product Description

 

SAE 100R2 AT/DIN EN 853 2SN

INNER TUBE: oil-resistant synthetic rubber REINFORCEMENT: two high-10sile steel wire braid
COVER: abrasion and weather-resistant synthetic rubber
TEMPERATURE RANGE: -4ºC to +100ºC

 

Product Parameters

HOSE ID Wire OD Hose OD Working Pressure Burst Pressure Minimum Bend Radius Weight
Inch mm mm mm MPa Psi MPa Inch mm mm
3/16 4.8 11.1 13.4 41.4 6000 165 23720 90 0.31
1/4 6.4 12.7 15.0 40.0 5800 160 22840 100 0.33
5/16 7.9 14.3 16.6 36.0 5250 140 20000 115 0.39
3/8 9.5 16.7 19.0 33.1 4800 132 18840 130 0.50
1/2 12.7 19.8 22.2 27.6 4000 110 15720 180 0.59
5/8 15.9 23.0 25.4 25.0 3630 100 14280 200 0.71
3/4 19.0 27.0 29.3 21.5 3120 85 12280 240 0.86
1 25.4 34.9 38.0 16.5 2400 65 9420 300 1.28
1-1/4 31.8 44.5 48.3 12.5 1820 50 7140 420 2.02
1-1/2 38.1 50.8 54.6 9.0 1310 36 5140 500 2.23
2 50.8 63.5 67.3 8.0 1160 32 4560 630 2.85

Wrapped Surface Hydraulic Hose                                                                    Smooth Surface Hydraulic Hose

 

Application

 

Company Profile

ZheJiang CHINAMFG Fluid Technology Co., Ltd. is a China-US cooperative enterprise. SANYEFLEX has strong financial strength and technical strengths. Our factory occupies a total area of 110,000 square meters, with a plant area of 70,000 square CHINAMFG and a total investment of 65 million yuan. Our company has been deeply involved in the hydraulic hose industry for nearly 20 years. We have 2 technical research and development teams, and more than 40 on-the-job engineers are respectively dedicated to technical research in the field of hydraulic fluids and the development of refrigeration systems.
Our company specializes in the production of mid-high-end hydraulic hose series products, such as steel wire braided hose (American standard, German standard), steel wire spiral hose (American standard, German standard), metal hose, air pipe, and joints, and other products. With excellent product quality, perfect after-sales service, and reasonable prices, we gradually increase the market share of our products. Our products are widely used in mining, metallurgy, petroleum, construction machinery, and chemical industry, and are exported to more than 30 countries and regions such as the United Kingdom, the United States, Germany, South America, and Russia. The company adheres to the core values of “integrity-based, customer first”. Unswervingly promote the development concept of “leading by originality, developing talents, rooting in leanness, and bravely climbing the peak”. Carry out technical R&D and manufacturing closely around customer needs, provide first-class services to a broad audience, and strive to become an industry leader.

Factory tour

Packaging & Shipping

Why Choose SANYEFLEX?

  1. Specialized in hydraulic hose production research and development for 20 years, has rich experience and technology.
  2. Imported raw materials directly from the United States, Japan, and South Korea.
  3. Automatic mixer workshop.
  4. Using an intelligent production line fully automated transfer process.
  5. Each hose will pass strict inspection before delivery.
  6. Reliable product quality and high safety performance, reducing the cost of the enterprise.

FAQ

Q1:Can you do OEM?
A: Yes, we can do OEM products. Welcome!

Q2: Are you a factory or trading company?
A: Factory! We are a 100% manufacturer, and we have 20 years of experience in hydraulic rubber hose production. Welcome to visit our factory.

Q3: Is a free sample available?
A: Yes, free samples are available, customers only pay the freight cost.

Q4: How about your delivery time?
A: Within 20 days after you do the payment.

Q5: What are your terms of packing?
A: Generally in rolls well wrapped with colorful poly stripes or as your requirement.

Q6: What are your terms of payment?
A: Payment= 1000 USD, 30% T/T in advance, balance before shipment.

For more detailed product types information, please feel free to contact us! 

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rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. Comparative Analysis: Compare coupling behavior to baseline performance data.

If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

rubber coupling

Common Rubber Materials Used in Manufacturing Rubber Couplings

Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:

  • Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
  • Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
  • Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
  • EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
  • Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.

The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

rubber coupling

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

  • Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
  • Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
  • Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
  • Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
  • Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

China OEM Hot Sale High Quality Hydraulic Rubber Hose Sanyeflex Industry Equipment and Mining Machine Reasonable Price Tube Hose Fittings Couplings  China OEM Hot Sale High Quality Hydraulic Rubber Hose Sanyeflex Industry Equipment and Mining Machine Reasonable Price Tube Hose Fittings Couplings
editor by CX 2024-05-09

China high quality Female Thread Swaged Hydraulic Rubber Hose Coupling

Product Description

Female Thread Swaged Hydraulic Rubber Hose Coupling 

Hydraulic hose fittings: 
Material: stainless steel, carbon steel, brass, etc 
Connection: Male/Female 
Surface Treatment: Trivalent Silver Zinc, Trivalent Yellow Zinc, Hexavalent Yellow Zinc, Chrome Plate, Electric-polish etc. 
Application: Automobile, Engineering Machinery, Lathe, Agriculture Machine, Mining, Spurting the Oil Paint, Metallurgy petroleum , Construction, Chemicals, Textile, Ships, Ocean, Military, Recreation, Electronics and so forth.

Our QC procedure:
As we had more than 5 professional and technical personal, they ensure 100% products checking.
1. Material checking: strictly control of material using, meet international requested standards;
2. semi-finished products inspection: product inspection before 100% finished ;
3. production line test: with work team or data engineer who will inspect matchines and lines at fixed period.
4. finished prodcuct inspection: quality and property test before products are plated zinc, packed and loaded.

Process Characteristics:
High quality carbon steel rigid embryo is selected and manufactured by special machine tool. Hot melt special equipment processing, and equipped with efficient cleaning agent, high flushing, high accuracy and cleanliness. There is no oxide layer after heat treatment. Fully meet the requirements of high temperature, high pressure, corrosion resistance and so on. 96 hours of salt spray test and sealant are used for galvanizing. Rustproof, anticorrosive, superior performance, delicate surface, beautiful color.

FAQ
Q1. What is your terms of packing?

A: Generally, we pack our hose in woven package, fittings in carton box. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?

A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?

A: Generally, it will take 10 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, the customers no need to pay the sample cost but need pay the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Shipping 

1. Orders will be dispatched around in 30 days after payment, depending on quantities.
2. We Always choose the most economical and reliable shipping company to make sure you receive the goods in time.
3. The tracking number will be provided to you once the consignment is shipped
4. Professional customer service to answer your questions or fix problems regarding your order.

Our Service
1. OEM Manufacturing welcome: Product, Package… 
2. Sample order 
3. We will reply you for your inquiry in 24 hours.
4. After sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.

We Sincerely Welcome Partners All Over The World To Visit Us For CHINAMFG Cooperation!

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rubber coupling

Impact of Elastomer Element Design on Rubber Coupling Performance

The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:

  • Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
  • Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
  • Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
  • Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
  • Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.

The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

rubber coupling

Signs of Wear or Deterioration in Rubber Couplings

Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:

  • Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
  • Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
  • Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
  • Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
  • Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.

Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

rubber coupling

Factors to Consider When Selecting a Rubber Coupling

Choosing the right rubber coupling for a specific application involves considering various factors:

1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.

2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.

3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.

4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.

5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.

6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.

7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.

8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.

By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.

China high quality Female Thread Swaged Hydraulic Rubber Hose Coupling  China high quality Female Thread Swaged Hydraulic Rubber Hose Coupling
editor by CX 2024-04-24

China high quality Quality SS304 Hydraulic Quick Coupler Pressure Rubber Hose Fitting Coupling

Product Description

High Pressure Stainless Steel 304 Hydraulic Quick Coupler Coupling

Product Introduction:

Body Size(in) 1/4(02) 3/8(03) 1/2(04) 5/8(06) 3/4(08) 1(10) 1-1/2(12) 2(16)
Rated Pressure(PSI) 5000 3000 3000 3000 3000 3000 3000 3000
Rated Flow(GPM) 3 6 12 20 28 50 80 100
Spillage (ML) 0.006 0.012 0.02 0.026 0.032 0.035 0.05 0.1
(max. per disconnect)
Temperature Range -20ºC to +120ºC
Standard seal material NBR

1.Material:
                 Material of Female Socket: Zinc- Chromate plated Steel
                 Material of Male Plug: Zinc- Chromate plated Steel
2. Advantage: Critical Parts are hardened for durability.
                       Poppet valves are available to prevent uncoupled leakage.
                       Poppet valves open automatically when coupled within rated working pressure to keep the flow expeditely.
3. Sizes: NPT 1/4, 3/8, 1/2, 3/4, 1. It’s OK to order Female Socket and Male Plug together or seperately.
4. Standard: ISO7241-1 Series A
Interchangeable with:
PARKER 6600 series
FASTER ANV series
AEROQUIP 5600 series
HANSEN HA 15000 series
What’s Included:
* Female Coupler
* Male Coupler

Main Material and Series:
Carbon steel,Brass, Stainless steel 304/316
ISO 7241A Series ,ISO 7241B Series ,FLAT FACE COUPLING

Our Service: We can crimp hose assembly for our customers

Application:
Mainly used for construction equipment, hydraulic machinery, oil euipment and other hydraulic applications.

FAQ:
Conventional packaging: carton, can be customized according to customer needs;
Transportation: express, sea and air freight are support
Delivery Time:
1.If we have stock,we’ll send out to you in a week;
2. Generally, it will take about 20 days. The specific delivery date will be negotiated according to your order.
MOQ:100
(If the quantity you need is less than 100 pieces, please feel free to make an inquiry with us. If we have stock, you can also
order.)
Payment:LC/TT
 our payment  usual is T/T ,L/C ,if you need other payment , please inform us

rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Challenges of Misaligned Rubber Couplings and Their Resolution

Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:

1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.

2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.

3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.

4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.

5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.

To resolve these challenges, proper alignment practices are crucial:

1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.

2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.

3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.

4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.

5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.

By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.

China high quality Quality SS304 Hydraulic Quick Coupler Pressure Rubber Hose Fitting Coupling  China high quality Quality SS304 Hydraulic Quick Coupler Pressure Rubber Hose Fitting Coupling
editor by CX 2023-09-05