China Best Sales 87943 87941 45 Degree SAE Flange 9000 CHINAMFG Hydraulic System Coupling flange coupling

Product Description

87943 87941 45 degree SAE FLANGE 9000 CHINAMFG hydraulic system coupling

 Our Factory can make and supply as request size and type(quantity need).
For common types female fitting, male fitting, 45degree fitting, 90degree fitting,ferrule etc. All have stock.
If you want more details,sizes,datas about fitting,ferrule, please contact me. I will send you our catalogue.

Product Description

1. We keep improving our tech and have professional engineers to control the drawings 
2. We always offer good quality for our clients with good price
3. We offer the best service in communication
4. We can carve client’s logo on the products, laser print
5. We can product complete same items based on client’s samples or drawings
6. We can provide FREE samples for test


87943 87941
87943-12-12 3/4″ 20 12 92.5 41.3 31.7 35.5 14.3
87943-16-12 1″ 20 12 93.5 47.6 38 36.5 14.3
87943-16-16 1″ 25 16 104 47.6 38 37.5 14.3
87943-20-16 1.1/4″ 25 16 104.5 54 43 38 14.3
87943-20-20 1.1/4″ 32 20 117 54 43 42 14.3
87943-24-20 1.1/2″ 32 20 118 63.5 50.8 43 14.3
87943-24-24 1.1/2″ 40 24 132.5 63.5 50.8 47 14.3

Production step and test

All fitting and sleeves must passed strictly quality control:

Fitting Factory and warehouse

Factory showing and big fitting warehouse:

Fitting work different place

Fitting/flange/seelve/nipple for different equipments:

Other service hose machine

We also supply hose machine(hose crimping machine, hose cutting machine,hose skiving machine)hydraulic hose(R1/R2/R4/4SP/4SH/R14/R15/R9/R7/R8 etc. Welcome to contact and visit us for more details.

Packaging & Shipping

Good packing for protecting the products in long time delivery by sea or truck. Please check following:

Company and FAQ

HangZhou Qanmon Hydraulic Technology has always been committed to the research and development of Hydraulic hose and Tubing Processing Equipment, high and low pressure rubber hose, fitting joints etc.

History more than 20 years,export 12 years more, offering customized solutions gained from research, precision and quality.Now we professional team to sell, delivery, test and checking, sales after service. Guarranty clients can have good shopping service. Any questions, please contact me.
Welcome to visit my side at any time

Q: Are you trading company or manufacturer ?
A: We have own factory.

Q: How long is your delivery time?
A: Generally it is 2 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity finally.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge.

Q: What is your terms of payment ?
A: stock products 100% payment before shipping out . In generally,30% deposit , 70% balance against B/L copy, L/C is also
acceptable. Other payment method is negotiable.

Q:Do you have hose and hose crimping machine?
Yes, we own factory to produce hose machine, for hose and fitting, we have cooperated factorys, boss has share.
So price and quality both can give you guarranty, and we can collect all together for you.

Supply other types hose: 
1.Steel wire braided hydraulic hose
SAE 100 R1 AT / DIN EN853 1SN
SAE 100 R2 AT / DIN EN853 2SN
SAE 100 R16
SAE 100 R17
SAE 100 R5
2.Steel wire spiral hydraulic hose
SAE 100 R12
SAE 100 R13
SAE 100R15
3.Textile braided hydraulic hose
SAE 100 R3
SAE 100 R6
4.Rubber resin hose
SAE 100 R7 / DIN EN855 R7
SAE 100 R8 / DIN EN855 R8
5.Steam hose
Wire braided steam hose
6.PTFE Hose
SAE 100 R14 /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flange coupling

Proper Installation and Alignment of Flange Couplings

Installing and aligning a flange coupling properly is crucial to ensure its optimal performance and to prevent premature wear or failure. Here are the steps to follow for a successful installation:

  1. Prepare the Components: Before starting the installation, ensure that all the components, including the flange coupling, shafts, and fasteners, are clean and free from dirt or debris. Inspect the coupling for any visible damage or defects.
  2. Check Shaft Alignment: Verify the alignment of the shafts before installing the flange coupling. Misalignment can lead to increased stresses on the coupling and other connected equipment.
  3. Use Proper Lubrication: Apply the recommended lubricant to the contact surfaces of the flange coupling. Proper lubrication reduces friction and wear, enhancing the coupling’s lifespan.
  4. Align the Flange Coupling: Position the flange coupling between the shafts and ensure that the bolt holes are aligned with the corresponding holes in the shafts.
  5. Insert Fasteners: Insert the bolts or screws through the bolt holes and hand-tighten them. Avoid fully tightening any fasteners at this stage.
  6. Check Runout: Measure the runout of the coupling during rotation to verify that it is within acceptable limits. Excessive runout indicates a misaligned coupling.
  7. Properly Torque Fasteners: Using a torque wrench, tighten the fasteners in a cross-pattern to the manufacturer’s recommended torque values. This ensures even distribution of the load and prevents distortion of the flange coupling.
  8. Recheck Alignment: After torquing the fasteners, recheck the shaft alignment to ensure it has not shifted during the tightening process.
  9. Inspect the Assembly: Conduct a final visual inspection of the installed flange coupling and surrounding components to verify that everything is properly aligned and secured.
  10. Perform Test Run: Run the equipment with the newly installed flange coupling under no-load conditions initially to check for any unusual vibrations or noises.
  11. Monitor Performance: During the initial operation and throughout regular use, monitor the flange coupling’s performance and check for signs of wear, misalignment, or other issues.

Professional Installation: If you are unsure about the installation process or need to install a flange coupling in a complex system, consider seeking assistance from a qualified professional or coupling manufacturer’s technical support team. Proper installation is essential for ensuring the long-term reliability and performance of the flange coupling and the connected equipment.

flange coupling

Maintenance-Free Flange Couplings

Flange couplings can be designed to be maintenance-free, meaning they require minimal or no regular maintenance throughout their operational life. The key features and options that contribute to maintenance-free flange couplings include:

  • Sealed and Lubricated: Some flange couplings are sealed and pre-lubricated with high-performance grease during the manufacturing process. This ensures that the coupling remains properly lubricated over an extended period, eliminating the need for routine lubrication.
  • Self-Lubricating Materials: Certain flange couplings are constructed from self-lubricating materials, such as polymers or composites, that provide a low-friction interface between the mating surfaces. This reduces wear and eliminates the need for additional lubrication.
  • Maintenance-Free Bearings: Flange couplings with integrated maintenance-free bearings further enhance the overall maintenance-free operation. These bearings are designed to withstand the required loads and provide long-lasting performance without the need for regular lubrication.
  • Corrosion-Resistant Materials: Flange couplings made from corrosion-resistant materials, such as stainless steel or coated alloys, can resist environmental factors that might lead to corrosion and premature wear, resulting in extended maintenance intervals.
  • Robust Design: A well-engineered flange coupling with a robust design can withstand harsh conditions, shock loads, and other stresses, reducing the likelihood of component failure and the need for maintenance.

It is essential to select a flange coupling that is specifically labeled as “maintenance-free” or “self-lubricating” by the manufacturer to ensure that it meets your maintenance objectives. However, it’s important to note that even maintenance-free flange couplings may still require periodic inspection to check for wear, alignment issues, or other potential problems.

flange coupling

Selecting the Appropriate Flange Coupling for a Specific Application

Choosing the right flange coupling for a particular application involves considering several key factors to ensure optimal performance and reliability. Here’s a step-by-step guide to the selection process:

  1. 1. Identify Application Requirements: Understand the specific requirements of the application, including torque, speed, and operating conditions. Determine if the coupling will be exposed to harsh environments, extreme temperatures, or corrosive substances.
  2. 2. Calculate Torque and Power: Calculate the torque and power requirements for the shaft connection. This involves evaluating the motor or engine’s output torque and ensuring the selected coupling can handle the transmitted power.
  3. 3. Consider Misalignment: Assess the level of misalignment that may occur between the shafts during operation. For applications with significant misalignment, consider using flexible flange couplings that can accommodate angular, parallel, and axial misalignment.
  4. 4. Evaluate Speed and RPM: Determine the rotational speed (RPM) at which the coupling will operate. High-speed applications may require a balanced or precision-designed flange coupling to minimize vibrations and prevent damage to connected equipment.
  5. 5. Check Space Constraints: Consider the available space for installing the coupling. Some flange coupling designs may require more space than others, so ensure that the selected coupling fits within the available area.
  6. 6. Review Environmental Conditions: Evaluate the environmental conditions in which the coupling will operate. If the application involves exposure to dust, dirt, or moisture, consider using a protected or sealed flange coupling to prevent contamination.
  7. 7. Determine Flexibility: Decide on the level of flexibility required. Flexible flange couplings are suitable for applications where there may be shaft misalignment or torsional vibration. Rigid flange couplings, on the other hand, are ideal for precision applications with minimal misalignment.
  8. 8. Check Material Compatibility: Ensure that the material of the flange coupling is compatible with the shafts and the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and mechanical properties.
  9. 9. Seek Expert Advice: When in doubt, consult with coupling manufacturers or engineering experts to help you select the most suitable flange coupling for your specific application.

By carefully considering these factors, you can select the appropriate flange coupling that meets the performance and operational requirements of your application, leading to a reliable and efficient shaft connection.

China Best Sales 87943 87941 45 Degree SAE Flange 9000 CHINAMFG Hydraulic System Coupling  flange couplingChina Best Sales 87943 87941 45 Degree SAE Flange 9000 CHINAMFG Hydraulic System Coupling  flange coupling
editor by CX 2024-04-04