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
SYI 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 CZPT your request,like wood cases&pallets,ply-wood crates&pallets,steel crates&pallets and etc.
Quality Control
Company Profile
SYI 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, CZPT and coating test to be sure that the products meet the requirements of the standards.
Since 2009, CZPT 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 CZPT and accessories.
SYI products have served 111 countries CZPT up to now!
Most of these customers cooperated with CZPT for more than 20 years!
We value long term cooperation relationship mostly!
Welcome to send us an inquiry for more details and price!!!
P
What are the maintenance-free options available for flexible couplings?
Several maintenance-free options are available for flexible couplings, designed to reduce or eliminate the need for regular maintenance and lubrication. These options offer long-lasting performance and reliability while minimizing downtime and operational costs. Below are some maintenance-free options for flexible couplings:
1. Maintenance-Free Elastomeric Couplings: Elastomeric couplings with a specific design and materials can be maintenance-free. These couplings often incorporate high-quality elastomeric elements that do not require periodic lubrication. The elastomeric material provides damping of shocks and vibrations and allows for misalignment compensation, making them suitable for various applications without the need for regular maintenance.
2. Non-Lubricated Metallic Couplings: Some metallic couplings are designed to operate without the need for lubrication. These couplings use self-lubricating materials or specialized coatings that reduce friction between moving parts, eliminating the need for manual lubrication. They can handle high torque and speed requirements while providing reliable performance over extended periods without maintenance.
3. Pre-Lubricated Couplings: Certain flexible couplings come pre-lubricated during manufacturing. These couplings have grease or lubricant already applied to the critical components, providing sufficient lubrication for an extended period of operation. As a result, users do not need to perform regular lubrication maintenance, reducing maintenance tasks and associated costs.
4. Sealed Couplings: Some flexible couplings are designed with integrated seals or shields that protect internal components from contaminants and prevent lubricant leakage. These sealed couplings are inherently maintenance-free, as they ensure long-lasting performance without the need for external maintenance or re-lubrication.
5. Non-Wearing Materials: Certain flexible couplings are constructed using non-wearing materials, such as high-performance polymers. These materials offer excellent resistance to wear and abrasion, reducing the need for maintenance and replacement due to wear-related issues.
6. Torque-Responsive Couplings: Some maintenance-free couplings are designed to disengage or slip when the torque exceeds a certain threshold. This feature protects the connected equipment from excessive loads, preventing damage and reducing the need for maintenance or repairs caused by overload conditions.
Summary: Maintenance-free options for flexible couplings are available, offering reliable and long-lasting performance without the need for regular maintenance and lubrication. These couplings utilize specialized materials, designs, and features to handle various operating conditions while minimizing downtime and operational costs. Selecting a maintenance-free coupling that suits the specific application requirements can significantly improve the overall efficiency and reliability of the mechanical system.
Can flexible couplings be used in marine and automotive applications?
Yes, flexible couplings are commonly used in both marine and automotive applications. They offer various advantages that make them suitable for these industries:
- Misalignment Compensation: In marine and automotive systems, there can be misalignments due to factors such as hull flexing in marine vessels or engine movements in vehicles. Flexible couplings can accommodate these misalignments, ensuring efficient power transmission between the engine and the propeller or wheels.
- Vibration Damping: Both marine and automotive environments experience vibrations from engines, propellers, or road conditions. Flexible couplings help dampen these vibrations, reducing wear on components and enhancing the comfort of passengers or crew members.
- Shock Load Absorption: Marine vessels and vehicles can encounter shock loads during operation, especially in rough sea conditions or uneven terrains. Flexible couplings can absorb and dissipate the impact of these shock loads, protecting the drivetrain and transmission components.
- Compact Design: Space is often limited in marine vessels and automotive systems. Flexible couplings come in various compact designs, making them suitable for applications with restricted installation space.
- Corrosion Resistance: Marine environments expose components to corrosive seawater, while automotive systems may encounter exposure to road salt and other corrosive substances. Flexible couplings made from corrosion-resistant materials, such as stainless steel or non-metallic compounds, are ideal for these applications.
- Easy Maintenance: Flexible couplings with self-lubricating features or low maintenance requirements are well-suited for marine and automotive applications, where regular maintenance can be challenging.
- High Torque Capacity: Automotive systems, especially in heavy-duty vehicles, require couplings that can handle high torque levels. Flexible couplings designed for automotive use offer high torque capacity and reliability.
Overall, the adaptability, vibration damping, and misalignment compensation provided by flexible couplings make them suitable for various marine and automotive applications. Whether used in boats, yachts, ships, cars, trucks, or other vehicles, flexible couplings contribute to smooth and reliable power transmission, leading to improved performance and reduced maintenance requirements.
Are there any safety considerations when using flexible couplings in rotating machinery?
Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:
- Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
- Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
- Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
- Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
- Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
- Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
- Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
- Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.
By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.
editor by CX 2023-08-01