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!!!
P
/* 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
How do flexible couplings handle axial movement in rotating machinery?
Flexible couplings are designed to handle different types of misalignments in rotating machinery, including axial movement or axial misalignment. Axial movement occurs when there is displacement along the axis of rotation, causing one shaft to move closer to or away from the other shaft. Here’s how flexible couplings handle axial movement:
- Sliding Capability: Many flexible couplings, especially those with elastomeric elements or certain designs, can slide along the shafts they connect. This sliding capability allows the coupling to accommodate axial movement without introducing additional stress on the connected components. The elastomeric elements can compress or stretch slightly to absorb the axial displacement.
- Multiple-piece Designs: Some flexible couplings consist of multiple pieces, which allow for axial movement. These designs often have a floating member or a spacer that separates the two shaft-connected components. The floating member can move axially as needed, while still transmitting torque and compensating for other misalignments.
- Double-Cardanic Design: Certain high-performance flexible couplings use a double-cardanic design, allowing for misalignment in multiple directions, including axial movement. This design features two sets of flexible elements that work together to accommodate different misalignments and provide a high degree of flexibility.
It’s important to note that while flexible couplings can handle a certain degree of axial movement, excessive axial misalignment might require a different type of coupling or additional measures to be addressed properly.
During the selection and installation process, it’s essential to consider the application’s axial movement requirements and choose a flexible coupling that can accommodate the expected axial displacement while still providing the desired performance, such as vibration damping, shock absorption, or precision motion control.
Can flexible couplings be used in pumps, compressors, and fans?
Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:
- Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
- Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
- Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
- Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
- Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
- Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.
In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.
What are the differences between elastomeric and metallic flexible coupling designs?
Elastomeric and metallic flexible couplings are two distinct designs used to transmit torque and accommodate misalignment in mechanical systems. Each type offers unique characteristics and advantages, making them suitable for different applications.
Elastomeric Flexible Couplings:
Elastomeric flexible couplings, also known as flexible or jaw couplings, employ an elastomeric material (rubber or similar) as the flexible element. The elastomer is typically molded between two hubs, and it acts as the connector between the driving and driven shafts. The key differences and characteristics of elastomeric couplings include:
- Misalignment Compensation: Elastomeric couplings are designed to handle moderate levels of angular, parallel, and axial misalignment. The elastomeric material flexes to accommodate the misalignment while transmitting torque between the shafts.
- Vibration Damping: The elastomeric material in these couplings offers excellent vibration dampening properties, reducing the transmission of vibrations from one shaft to another. This feature helps protect connected equipment from excessive vibrations and enhances system reliability.
- Shock Load Absorption: Elastomeric couplings can absorb and dampen shock loads, protecting the system from sudden impacts or overloads.
- Cost-Effective: Elastomeric couplings are generally more cost-effective compared to metallic couplings, making them a popular choice for various industrial applications.
- Simple Design and Installation: Elastomeric couplings often have a straightforward design, allowing for easy installation and maintenance.
- Lower Torque Capacity: These couplings have a lower torque capacity compared to metallic couplings, making them suitable for applications with moderate torque requirements.
- Common Applications: Elastomeric couplings are commonly used in pumps, compressors, fans, conveyors, and other applications that require moderate torque transmission and misalignment compensation.
Metallic Flexible Couplings:
Metallic flexible couplings use metal components (such as steel, stainless steel, or aluminum) to connect the driving and driven shafts. The metallic designs can vary significantly depending on the type of metallic coupling, but some general characteristics include:
- High Torque Capacity: Metallic couplings have higher torque transmission capabilities compared to elastomeric couplings. They are well-suited for applications requiring high torque handling.
- Misalignment Compensation: Depending on the design, some metallic couplings can accommodate minimal misalignment, but they are generally not as flexible as elastomeric couplings in this regard.
- Stiffer Construction: Metallic couplings are generally stiffer than elastomeric couplings, offering less vibration dampening but higher torsional stiffness.
- Compact Design: Metallic couplings can have a more compact design, making them suitable for applications with limited space.
- Higher Precision: Metallic couplings often offer higher precision and concentricity, resulting in better shaft alignment.
- Higher Cost: Metallic couplings are typically more expensive than elastomeric couplings due to their construction and higher torque capacity.
- Common Applications: Metallic couplings are commonly used in high-speed machinery, precision equipment, robotics, and applications with high torque requirements.
Summary:
In summary, the main differences between elastomeric and metallic flexible coupling designs lie in their flexibility, torque capacity, vibration dampening, cost, and applications. Elastomeric couplings are suitable for applications with moderate torque, misalignment compensation, and vibration dampening requirements. On the other hand, metallic couplings are chosen for applications with higher torque and precision requirements, where flexibility and vibration dampening are less critical.
editor by CX 2024-05-10
by
Leave a Reply