Product Description
Dedicated Couplings Adaptors for Ductile Iron Pipes ISO 2531/EN545 EN 14525, ANSI/AWWA C219
Description
SYI can supply the Dedicated Couplings dedicated Couplings, dedicated to connect the ductile iron pipe (upto DN2200)
SYI Dedicated Couplings DIMENSIONS
|
CHINAMFG S. N. |
DN |
pipe O.D. |
O.D. Tolerance |
D2 |
H |
L |
Min. pipe end prepared length |
|
|
|
mm |
|||||||
|
DC40 |
40 |
56 |
+1.0 |
-3.0 |
120 |
102 |
166 |
100 |
|
DC50 |
50 |
66 |
+1.0 |
-3.0 |
126 |
102 |
166 |
100 |
|
DC60 |
60 |
77 |
+1.0 |
-3.0 |
135 |
102 |
166 |
100 |
|
DC65 |
65 |
82 |
+1.0 |
-3.0 |
156 |
102 |
166 |
100 |
|
DC80 |
80 |
98 |
+1.0 |
-3.0 |
184 |
102 |
166 |
100 |
|
DC100 |
100 |
118 |
+1.0 |
-3.0 |
205 |
102 |
166 |
100 |
|
DC125 |
125 |
144 |
+1.0 |
-3.0 |
232 |
102 |
166 |
100 |
|
DC150 |
150 |
170 |
+1.0 |
-3.0 |
264 |
102 |
173 |
100 |
|
DC200 |
200 |
222 |
+1.0 |
-3.5 |
315 |
102 |
173 |
100 |
|
DC250 |
250 |
274 |
+1.0 |
-3.5 |
374 |
102 |
173 |
100 |
|
DC300 |
300 |
326 |
+1.0 |
-3.5 |
426 |
102 |
173 |
100 |
|
DC350 |
350 |
378 |
+1.0 |
-3.5 |
494 |
152 |
254 |
150 |
|
DC400 |
400 |
429 |
+1.0 |
-4.0 |
544 |
152 |
254 |
150 |
|
DC450 |
450 |
480 |
+1.0 |
-4.0 |
595 |
152 |
254 |
150 |
|
DC500 |
500 |
532 |
+1.0 |
-4.0 |
650 |
152 |
254 |
150 |
|
DC600 |
600 |
635 |
+1.0 |
-4.5 |
753 |
152 |
254 |
150 |
|
DC700 |
700 |
738 |
+1.0 |
-4.5 |
858 |
152 |
254 |
150 |
|
DC800 |
800 |
842 |
+1.0 |
-4.5 |
962 |
152 |
254 |
150 |
|
DC900 |
900 |
945 |
+1.0 |
-5.0 |
1070 |
178 |
280 |
150 |
|
DC1000 |
1000 |
1048 |
+1.0 |
-5.0 |
1173 |
178 |
280 |
150 |
|
DC1100 |
1100 |
1152 |
+1.0 |
-6.0 |
1282 |
178 |
280 |
150 |
|
DC1200 |
1200 |
1255 |
+1.0 |
-6.0 |
1385 |
178 |
280 |
150 |
|
DC1400 |
1400 |
1462 |
+1.0 |
-6.0 |
1592 |
178 |
295 |
150 |
|
DC1500 |
1500 |
1565 |
+1.0 |
-6.0 |
1691 |
178 |
295 |
150 |
|
DC1600 |
1600 |
1668 |
+1.0 |
-6.0 |
1798 |
178 |
295 |
150 |
|
DC1800 |
1800 |
1875 |
+1.0 |
-6.0 |
2015 |
254 |
375 |
150/300 |
|
DC2000 |
2000 |
2082 |
+1.0 |
-6.0 |
2222 |
254 |
375 |
150/300 |
|
DC2200 |
2200 |
2288 |
+1.0 |
-6.0 |
2415 |
254 |
375 |
150/300 |
For other sizes not mentioned above, please contact us. We have right to change the data without further notice.
1. Material
BODY: Ductile Iron grade 500-7/450-10 in accordance with ISO 1083 or 70-50-05/65-45-12 with ASTM A536
GLAND: Ductile Iron grade 500-7/450-10 in accordance with ISO 1083 or 70-50-05/65-45-12 with ASTM A536
GASKET: Rubber E.P.D.M./SBR/NBR in accordance with EN 681.1
D-BOLTS AND NUTS: Carbon Steel Grade 8.8 with dacromet coating
2. Working Pressure: 16 Bar or 250 PSI
3. Fluid Temperature: 0°C – 50°C, excluding frost
4. Allowed Angular Deflection: 6°
5. Joint Gap:19mm
6. Coating
|
External Coatings: |
Internal Coatings: |
7.Reference Rules
Designed and tested in accordance with EN14525, ANSI/AWWA C219 and EN545
Package
Packing: Different package CHINAMFG your request,like wood cases&pallets,ply-wood crates&pallets,steel crates&pallets and etc.
Quality Control
Company Profile
CHINAMFG has continually invested in better technology and production facilities. More than 4,000 patterns
are ready. We are capable to finish all the production processes from moulding, shot-blasting, machining, coating to packaging. We have over 100,000 m2 foundry land including:
-10,000 m2 of the pattern, sand mixing, polishing, machining, hydraulic pressure, coating, packaging workshops;
-4,000 m2 of 3 green sand moulding workshops and 1 resin sand moulding workshops;
-3,000 m2 of automatic moulding machine line and epoxy coating line
-professional laboratory
-machining shop
-and our own tooling shop
Strict process and operating regulations together with perfect quality assurance system making every production step under control. All the products are subject to tests and inspections including composition analysis, metallographic examination, dimension & surface finish inspection, ring test, tensile test, hardness test, hydrostatic test, CHINAMFG and coating test to be sure that the products meet the requirements of the standards.
Since 2009, CHINAMFG Pipeline has developed from a pipes & fittings seller to a professional project solution provider, including the 1 stop service and solution from pipes, fittings, couplings & flanged adaptors, valves, fire hydrants, to water CHINAMFG and accessories.
SYI products have served 111 countries CHINAMFG up to now!
Most of these customers cooperated with CHINAMFG for more than 20 years!
We value long term cooperation relationship mostly!
Welcome to send us an inquiry for more details and price!!!
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Can flexible couplings be used in heavy-duty applications such as mining and construction?
Yes, flexible couplings can be used in heavy-duty applications such as mining and construction, where the equipment operates under challenging conditions and encounters high loads, vibrations, and misalignments. Flexible couplings offer several advantages that make them suitable for these demanding environments:
- Misalignment Compensation: Heavy-duty equipment in mining and construction may experience misalignment due to the rough terrain, uneven surfaces, or heavy loads. Flexible couplings can handle both angular and parallel misalignment, ensuring smooth power transmission even in these adverse conditions.
- Shock and Vibration Absorption: Mining and construction operations often involve high-impact loads and vibrations. Flexible couplings can dampen and absorb these shocks, protecting the connected components from damage and reducing wear and tear on the equipment.
- Torsional Stiffness: While flexible couplings are designed to accommodate misalignment, they still maintain a certain level of torsional stiffness to transmit torque efficiently. This is crucial in heavy-duty applications, where high torque is required to drive the machinery.
- Corrosion and Contamination Resistance: In mining and construction environments, equipment may be exposed to dust, dirt, water, and chemicals. Flexible couplings made from corrosion-resistant materials can withstand these harsh conditions, ensuring reliable performance and longevity.
- High Torque Transmission: Heavy-duty machinery often requires high torque transmission between the driving and driven components. Flexible couplings are capable of transmitting high torque efficiently, which is essential for the operation of large-scale equipment.
- Reduced Downtime: The robustness and reliability of flexible couplings in heavy-duty applications contribute to reduced downtime. By minimizing the impact of misalignment, shocks, and vibrations, flexible couplings help prevent unexpected breakdowns and maintenance issues.
When selecting a flexible coupling for heavy-duty applications, it’s important to consider the specific requirements of the machinery and the operating conditions. Factors such as the type of equipment, torque and speed requirements, environmental conditions, and expected loads should be taken into account.
Overall, flexible couplings are a versatile solution for power transmission in heavy-duty applications, providing the necessary flexibility, durability, and performance to withstand the challenges posed by the mining and construction industries.
What are the maintenance intervals and practices for extending the life of a flexible coupling?
Proper maintenance of a flexible coupling is essential to ensure its longevity and reliable performance. The maintenance intervals and practices for flexible couplings may vary depending on the coupling type, application, and operating conditions. Here are some general maintenance guidelines to extend the life of a flexible coupling:
- Regular Inspection: Conduct visual inspections of the coupling regularly to check for signs of wear, damage, or misalignment. Look for cracks, tears, corrosion, or any other visible issues.
- Lubrication: Some flexible couplings may require periodic lubrication to reduce friction and wear. Refer to the manufacturer’s guidelines for the appropriate lubrication type and schedule.
- Alignment Checks: Ensure that the connected shafts remain properly aligned. Misalignment can lead to premature wear and failure of the coupling and other components.
- Torque Monitoring: Monitor the torque levels in the system and ensure they are within the coupling’s rated capacity. Excessive torque can overload the coupling and cause damage.
- Temperature and Environmental Considerations: Ensure that the operating temperatures and environmental conditions are within the coupling’s specified limits. Extreme temperatures, aggressive chemicals, or corrosive environments can impact the coupling’s performance.
- Inspection After Shock Loads: If the system experiences shock loads or unexpected impacts, inspect the coupling for any signs of damage immediately.
- Replace Damaged or Worn Couplings: If any damage or wear is detected during inspections, replace the flexible coupling promptly to avoid potential failures.
- Periodic Re-Tightening: For certain coupling designs, periodic re-tightening of fasteners may be necessary to maintain proper clamping force.
- Follow Manufacturer’s Guidelines: Always follow the maintenance instructions provided by the coupling manufacturer. They can provide specific recommendations based on the coupling model and application.
It is crucial to develop a maintenance plan specific to the application and coupling type. Regularly scheduled maintenance, adherence to recommended practices, and proactive inspection can help identify issues early and prevent costly breakdowns. Additionally, record-keeping of maintenance activities can provide valuable data on the coupling’s performance and aid in future maintenance decisions.
How does a flexible coupling affect the noise and vibration levels in a mechanical system?
A flexible coupling plays a crucial role in controlling noise and vibration levels in a mechanical system. It can significantly impact the overall smoothness and quietness of the system’s operation, contributing to enhanced performance and reduced wear on connected components.
Noise Reduction:
Flexible couplings help reduce noise in a mechanical system through their inherent ability to dampen vibrations. When the shafts of rotating machinery are not perfectly aligned, it can lead to vibrations that are transmitted throughout the system, resulting in noise generation. The elastomeric or flexible element of the coupling acts as a vibration dampener, absorbing and dissipating these vibrations. As a result, the noise levels in the system are reduced, creating a quieter operating environment.
Vibration Damping:
Vibrations in a mechanical system can lead to increased wear and tear on critical components, such as bearings, seals, and gears. Excessive vibrations can also cause resonance and damage to the system over time. Flexible couplings can effectively dampen vibrations by acting as a buffer between the driving and driven shafts. The flexible element absorbs the shock and vibrations, preventing them from propagating to other parts of the system. This vibration damping capability not only reduces noise but also protects the system from potential mechanical failures, extending the lifespan of the equipment.
Alignment Compensation:
Misalignment between shafts is a common cause of vibration and noise in rotating machinery. Flexible couplings excel at compensating for both angular and parallel misalignment. By accommodating misalignment, the coupling reduces the forces acting on the shafts and minimizes the generation of vibrations and noise. Proper alignment through the use of a flexible coupling ensures that the system operates smoothly and quietly.
Effect on Equipment Reliability:
Reducing noise and vibration levels has a positive impact on the reliability of connected equipment. Lower vibrations mean less stress on bearings and other rotating components, leading to extended component life and reduced maintenance requirements. A quieter operating environment can also be essential for certain applications, such as in laboratories or precision manufacturing processes, where excessive noise can interfere with delicate tasks or measurements.
Applications:
Flexible couplings find application in a wide range of industries, such as manufacturing, power generation, material handling, automotive, aerospace, and robotics. They are commonly used in pumps, compressors, fans, conveyors, and other rotating machinery where noise and vibration control are critical for smooth and reliable operation.
Summary:
A flexible coupling’s ability to reduce noise and dampen vibrations makes it an essential component in mechanical systems. By compensating for misalignment and providing vibration dampening properties, the flexible coupling enhances the overall system performance, reduces noise levels, and protects connected equipment from excessive wear and mechanical failures. Choosing the right type of flexible coupling based on the specific application requirements can have a significant impact on noise reduction and vibration control in the mechanical system.
editor by CX 2024-04-26