China wholesaler Easy to Install Ductile Iron Pipe Flexible Joints Universal Coupling for Water Pipeline

Product Description

Dedicated Couplings Adaptors for Ductile Iron Pipes ISO 2531/EN545 EN 14525, ANSI/AWWA C219

Description
CHINAMFG 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:
5. Joint Gap:19mm
6. Coating

External Coatings:
Liquid epoxy resin painting
Epoxy applied by FBE
According to customers’ requirements

Internal Coatings:
Liquid epoxy resin painting
Epoxy applied by FBE
According to customers’ requirements

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

flexible coupling

Can flexible couplings accommodate variable operating conditions and loads?

Yes, flexible couplings are designed to accommodate variable operating conditions and loads in mechanical systems. They offer several features that allow them to adapt to changing conditions and handle different loads effectively. Below are the reasons why flexible couplings are well-suited for such applications:

Misalignment Compensation: Flexible couplings can handle misalignment between shafts, including angular, parallel, and axial misalignment. This capability allows them to accommodate slight shifts in shaft positions that may occur due to thermal expansion, vibration, or other factors, ensuring smooth operation even in changing conditions.

Shock and Vibration Absorption: Flexible couplings can dampen shocks and vibrations that result from sudden changes in load or operating conditions. The flexible element in the coupling acts as a buffer, absorbing and reducing the impact of sudden loads or transient forces, protecting connected equipment and increasing system reliability.

Variable Load Capacity: Flexible couplings come in various designs and materials, each with its load capacity range. Manufacturers provide different coupling models with varying load capacities to accommodate different applications. Properly selecting the right coupling for the specific load conditions ensures reliable power transmission even under varying loads.

Compensation for Thermal Expansion: Temperature changes can cause thermal expansion in mechanical systems, leading to shaft misalignment. Flexible couplings can handle the resulting misalignment, compensating for thermal expansion and ensuring continuous and smooth power transmission.

Torsional Stiffness: Flexible couplings are designed with a balance between flexibility and torsional stiffness. This property allows them to adapt to variable loads while still providing the necessary rigidity for efficient power transmission.

Durable Materials and Designs: Manufacturers produce flexible couplings from durable materials like stainless steel, aluminum, or engineered elastomers. These materials ensure that the couplings can withstand varying operating conditions, including temperature fluctuations, harsh environments, and high loads.

Dynamic Behavior: Flexible couplings have a dynamic behavior that enables them to operate smoothly and efficiently under changing loads and speeds. They can handle variations in rotational speed and torque while maintaining consistent performance.

Application Flexibility: Flexible couplings find applications in a wide range of industries, from automotive and aerospace to industrial and marine. Their versatility allows them to accommodate variable operating conditions and loads in different systems.

Summary: Flexible couplings are well-suited for applications with variable operating conditions and loads. Their ability to compensate for misalignment, absorb shocks and vibrations, and handle thermal expansion make them reliable components in mechanical systems. The availability of various coupling designs and materials allows for the selection of the appropriate coupling based on the specific application requirements, ensuring optimal performance and longevity in variable conditions.

flexible coupling

How does a flexible coupling handle torsional vibrations in rotating machinery?

A flexible coupling is designed to handle torsional vibrations in rotating machinery by providing a degree of flexibility and damping. Torsional vibrations are oscillations that occur in the drivetrain due to torque variations, sudden load changes, or other transient events. These vibrations can lead to resonance, excessive stress, and premature failure of components.

Flexible couplings mitigate torsional vibrations through the following mechanisms:

  • Torsional Compliance: Flexible couplings have an element, such as an elastomeric insert, that can deform or twist to absorb torsional shocks. When the drivetrain experiences torsional vibrations, the flexible element flexes, effectively isolating and dampening the vibrations before they propagate further.
  • Damping: Many flexible couplings have inherent damping properties, especially those with elastomeric components. Damping dissipates the energy of the torsional vibrations, reducing their amplitude and preventing resonance from occurring.
  • Tuned Design: Some flexible couplings are specifically designed with specific torsional characteristics to match the drivetrain’s requirements. By tuning the coupling’s stiffness and damping properties, engineers can ensure optimal torsional vibration control.
  • Torsional Stiffness: While flexible couplings provide flexibility to absorb vibrations, they also offer a degree of torsional stiffness to maintain the torque transmission efficiency between the shafts.

It is important to select the appropriate flexible coupling based on the specific torsional characteristics and requirements of the rotating machinery. Different applications may demand different types of couplings with varying levels of flexibility and damping. High-performance flexible couplings can effectively minimize torsional vibrations, protecting the drivetrain and connected equipment from excessive stress and potential damage.

Additionally, proper alignment of the flexible coupling during installation is crucial to ensure its optimal performance in mitigating torsional vibrations. Misalignment can introduce additional stresses and exacerbate torsional issues in the system. Regular inspection and maintenance of the flexible coupling will help identify any signs of wear or damage that may affect its ability to handle torsional vibrations effectively.

flexible coupling

How does a flexible coupling handle angular, parallel, and axial misalignment?

A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
  • Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.

By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:

  • They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
  • They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
  • They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
  • They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.

Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.

China wholesaler Easy to Install Ductile Iron Pipe Flexible Joints Universal Coupling for Water Pipeline  China wholesaler Easy to Install Ductile Iron Pipe Flexible Joints Universal Coupling for Water Pipeline
editor by CX 2024-03-27


Posted

in

by

Comments

Leave a Reply

Your email address will not be published. Required fields are marked *