Product Description

90 degree elbow 6000 CZPT flange coupling
 

PART NO.	FLANGE SIZE	HOSE BORE		DIMENSIONS
		DN	DASH	A	C	D	H	L
87691-08-08	1/2″	12	08	41	31.7	24	48	7.75
87691-12-10	3/4″	16	10	56	41.3	32	56	8.76
87691-12-12	3/4″	20	12	66	41.3	32	66	8.76
87691-16-12	1″	20	12	66	47.6	38	69	9.53
87691-16-16	1″	25	16	78	47.6	38	74	9.53
87691-16-20	1″	32	20	80	47.6	38	74	9.53
87691-20-16	1.1/4″	25	16	78	54	44	78	10.29
87691-20-20	1.1/4″	32	20	91	54	44	89	10.29
87691-24-20	1.1/2″	32	20	91	63.5	51	94	12.57
87691-24-24	1.1/2″	40	24	109	63.5	51	108	12.57
87691-32-24	2″	40	24	109	79.4	67	116	12.57
87691-32-32	2″	50	32	131	79.4	67	136	12.57

The material  are always carbon steel, stainless steel or brass, and the material can be customized.
The surface of the ferrules are smooth, zinc plating or others customized.

Features:
High functionality
Precise design
Durable

Other products:

Swaged Metric Fittings	Mertic Flat Seal Fittings
	Metric Multiseal Fittings
	Metric 60°Cone Seal Fittings
	Metric 74°Cone Seal Fittings
	Metric 24°Cone O-RING Seal L..T Fittings
	Metric 24°Cone O-RING Seal H.T.Fittings
	Metric Standpipe Straight Fittings
	JIS Metric 60°Cone Seal Fitting
Swaged British Fittings	BSP O-RING Seal Fittings
	BSP Flat Seal Fittings
	BSP Multiseal Fittings
	BSP 60°Cone Seal Fittings
	BSPT Fittings
	JIS BSP 60°Cone Seal Fittings
Swaged American Fittings	SAE O-RING Seal Fittings
	ORFS Flat Seal Fittings
	NPSM 60°Cone Seal Fittings
	JIC 74°Cone Seal Fittings
	NPT Fittings SAE Flange L.T. Fittiings
	SAE Flange H.T.Fittings
Staplelok Fittings	Banjo Double connection
	interlock Hose Fittings
Ferrule	FERRULE for SAE100R1AT/ EN 853 1SN HOSE
	FERRULE for SAE100R1A EN 853 1ST HOSE
	FERRULE for SAE100R2AT/DIN20571 2SN HOSE
	FERRULE for SAE100R2A/EN 853 2SN HOSE
	FERRULE for SAE100R1AT-R2AT,EN853 1SN-2SN and EN 857 2SC
	FERRULE for 4SP,4SH/10-16,R12-06-16 HOSE
	FERRULE for 4SH,R12/32 HOSE
Metric Adapters	Metric Thread O-RING Face Seal Adapters
	Metric Thread Bite Type Tube Adapters
	JIS Metric Thread 60°Cone Adapters
	Metric Thread 74°Cone Flared Tube Adapters
British Adapters	BSP Thread 60°Cone Adapters
	JIS BSP Thread 60°Cone Adapters
	BSPT Thread Adapters
American Adapters	ORFS Adapters JIC 74°Cone Flared Tube Adapters
	NPT Thread Adapters

We carries a wide variety of hydraulic hose ferrule fittings in common size,used mainly for crimping hose fittings.More other type ferrule,fitting and hose please feel free to contact with us.

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.

Electrical Insulation in Flange Couplings

In certain applications, flange couplings may need to provide electrical insulation between shafts to prevent the flow of electrical currents and ensure safety and proper functioning. The handling of electrical insulation in flange couplings depends on the design and materials used:

1. Material Selection: Some flange couplings are manufactured using electrically insulating materials, such as certain polymers or composite materials. These materials have high resistivity and do not conduct electricity, effectively isolating one shaft from the other.

2. Sleeve or Coating: In some cases, a non-conductive sleeve or coating is added to the coupling to provide electrical insulation. This sleeve can be made from materials like rubber or other insulating compounds.

3. Insulating Inserts: Flange couplings may incorporate insulating inserts or liners between the mating surfaces to prevent electrical conduction.

4. Dielectric Grease: Dielectric grease, a non-conductive and water-resistant grease, can be used to fill any gaps between mating surfaces and enhance the electrical insulation properties of the flange coupling.

It’s crucial to ensure that the chosen flange coupling provides adequate electrical insulation for the specific application. The level of insulation required will depend on the electrical characteristics and voltages involved in the system. Additionally, proper installation and maintenance are essential to maintain the integrity of the electrical insulation over time.

Advantages of Flange Couplings in Mechanical Systems

Flange couplings offer several advantages in mechanical systems, making them a popular choice for connecting shafts in various applications:

• High Torque Transmission: Flange couplings provide a rigid and secure connection between shafts, allowing for efficient transmission of high torque without slippage or power loss.
• Precise Alignment: Proper alignment of flange couplings ensures that the connected shafts are in perfect axial alignment, reducing the risk of excessive bearing loads and increasing the longevity of the machinery.
• Zero Backlash: Flange couplings have no play or free movement between the shafts, resulting in immediate torque transmission and precise motion control, especially in applications requiring precise positioning.
• Robust and Durable: Flange couplings are typically made from high-quality materials such as steel, cast iron, or aluminum, providing excellent durability and resistance to wear and corrosion.
• Wide Range of Sizes and Torque Capacities: Flange couplings are available in various sizes and configurations, allowing them to be used in a wide range of applications with different torque requirements.
• Simple Installation: Installing flange couplings is relatively straightforward, requiring alignment and fastening of the flanges with bolts and nuts.
• Wide Application Range: Flange couplings are used in various industries, including heavy machinery, pumps, compressors, marine propulsion, and power generation equipment.
• Suitable for High-Speed Applications: Flange couplings can handle high rotational speeds, making them suitable for applications requiring high-speed power transmission.
• Minimal Maintenance: Once properly installed, flange couplings require minimal maintenance, reducing downtime and operational costs.

Despite their advantages, flange couplings also have some limitations. They lack the ability to compensate for misalignment like flexible couplings, which can lead to increased stress on bearings and other components if not correctly aligned. Additionally, the rigid nature of flange couplings means they may not be suitable for applications where shaft misalignment is common or where shock and vibration absorption is required.

Overall, flange couplings are a reliable and robust choice for mechanical systems, particularly in applications demanding high torque transmission and precise shaft alignment. Proper installation and maintenance are crucial to ensure optimal performance and longevity of both the coupling and the connected machinery.

editor by CX 2023-08-04