China wholesaler CHINAMFG En 14525 ISO 2531 En 545 En598 Ductile Iron Di Flexible Joints Universal Coupling

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:
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!!!

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flexible coupling

How does a flexible coupling deal with backlash and torsional stiffness?

A flexible coupling deals with backlash and torsional stiffness in the following ways:

  • Backlash: Backlash refers to the play or clearance between mating teeth in mechanical systems. In certain couplings, such as gear couplings, some degree of backlash is unavoidable due to the space between the teeth. However, flexible couplings with elastomeric or beam-type elements typically have minimal to no backlash. The flexibility of these elements allows them to maintain continuous contact and transmit torque smoothly without any gaps or play between components.
  • Torsional Stiffness: Torsional stiffness is the ability of a coupling to resist rotational deformation or twisting under torque. It is essential to have adequate torsional stiffness in some applications to ensure accurate motion transmission and responsiveness. Flexible couplings exhibit a balance between torsional stiffness and flexibility. While they allow for a degree of angular and parallel misalignment, they still possess sufficient torsional stiffness to transmit most of the torque efficiently. This characteristic helps maintain the precision of motion control systems and prevents power losses due to deformation.

The design and materials used in flexible couplings contribute to their ability to address both backlash and torsional stiffness effectively. Here are some key features:

  • Elastomeric Elements: Couplings with elastomeric elements, such as rubber or polyurethane, provide excellent flexibility to absorb misalignments and dampen vibrations. They also exhibit minimal backlash as the elastomeric material maintains continuous contact between the coupling components.
  • Beam-Type Couplings: Beam-type couplings use thin metal beams to transmit torque. These couplings offer high torsional stiffness while still accommodating misalignments. The beams can flex slightly under torque, absorbing shocks and compensating for misalignment without compromising torsional rigidity.
  • Composite Couplings: Some flexible couplings use composite materials that combine the advantages of different materials to achieve specific performance characteristics. These composites can offer low backlash and precise torsional stiffness, making them suitable for demanding applications.
  • High-Quality Manufacturing: The precision manufacturing of flexible couplings ensures that components fit together with minimal clearances, reducing backlash. Additionally, high-quality materials contribute to better torsional stiffness and overall performance.

Overall, flexible couplings strike a balance between flexibility to accommodate misalignments and sufficient torsional stiffness to transmit torque efficiently. By effectively addressing backlash and torsional stiffness, these couplings contribute to the smooth and reliable operation of various mechanical systems.

flexible coupling

How does a flexible coupling contribute to reducing maintenance and downtime costs?

A flexible coupling plays a significant role in reducing maintenance and downtime costs in mechanical systems. Here are the ways in which it achieves this:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignments between shafts. By absorbing and compensating for misalignment, they reduce wear and stress on connected equipment, minimizing the risk of premature failures and the need for frequent adjustments.
  • Vibration Damping: Flexible couplings dampen vibrations and shock loads in the system. This not only protects the connected components from excessive wear but also reduces the likelihood of damage to bearings, seals, and other critical parts, which would otherwise require frequent replacement or repair.
  • Protection Against Shock Loads: In applications where sudden starts, stops, or load fluctuations occur, flexible couplings can absorb and dissipate some of the shock loads, preventing potential damage to machinery. This feature extends the equipment’s lifespan and minimizes unplanned downtime.
  • Longevity of Components: By reducing stress and wear on connected components, flexible couplings contribute to their longevity. Components such as bearings, shafts, and gears are subject to less strain and fatigue, resulting in extended service intervals and reduced replacement costs.
  • Easy Installation and Maintenance: Flexible couplings are relatively easy to install and require minimal maintenance. Routine inspections to check for wear or damage can be done without significant downtime, allowing proactive maintenance to address any issues before they escalate.
  • Adaptability to Operating Conditions: Flexible couplings can handle variations in operating conditions, such as temperature fluctuations and different types of loads. Their ability to accommodate changing conditions reduces the need for frequent adjustments or component replacements due to environmental factors.
  • Reduced Downtime during Maintenance: In the event of maintenance or equipment repairs, flexible couplings can be quickly disconnected and reconnected, minimizing the downtime required for servicing. This quick replacement reduces production losses and improves overall system efficiency.

Overall, the use of flexible couplings in mechanical systems promotes reliability, extends the life of equipment, and helps prevent costly breakdowns. By reducing maintenance and downtime costs, flexible couplings contribute to improved productivity and profitability for industrial operations.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China wholesaler CHINAMFG En 14525 ISO 2531 En 545 En598 Ductile Iron Di Flexible Joints Universal Coupling  China wholesaler CHINAMFG En 14525 ISO 2531 En 545 En598 Ductile Iron Di Flexible Joints Universal Coupling
editor by CX 2024-04-10

As one of leading flexible coupling manufacturers, suppliers and exporters of mechanical products, We offer flexible coupling and many other products.

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of flexible coupling

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