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: 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

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, 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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What are the Common Materials Used in Manufacturing Universal Couplings?

Universal couplings are commonly manufactured using a variety of materials, each chosen based on its mechanical properties, durability, and compatibility with the application. Some of the common materials used in manufacturing universal couplings include:

• Steel: Steel is one of the most widely used materials for universal couplings. It offers excellent strength, durability, and resistance to wear. Carbon steel and alloy steel are commonly used for general-purpose universal couplings.
• Stainless Steel: Stainless steel is chosen for its corrosion resistance and ability to withstand harsh environmental conditions. It is commonly used in applications where the coupling may be exposed to moisture, chemicals, or high temperatures.
• Aluminum: Aluminum is lightweight and has good corrosion resistance. It is often used in applications where weight reduction is essential, such as in the automotive and aerospace industries.
• Cast Iron: Cast iron is known for its high strength and wear resistance. It is commonly used for heavy-duty applications and situations where shock loads may be present.
• Bronze: Bronze is a material chosen for its self-lubricating properties. It is commonly used in applications where lubrication may be limited or difficult.
• Plastics: Some universal couplings use high-strength plastics, such as polyurethane or nylon, for specific applications where non-metallic materials are preferred due to factors like electrical insulation or chemical resistance.

The choice of material depends on factors such as the application’s operating conditions, load requirements, temperature range, and potential exposure to corrosive or abrasive substances. Manufacturers select the appropriate material to ensure that the universal coupling performs reliably and efficiently in its intended environment.

How do you calculate the required size and specifications for a half coupling?

Calculating the required size and specifications for a half coupling involves considering several factors to ensure a proper fit and secure connection. Here are the steps to calculate the required size and specifications:

1. Pipe Size: Determine the size of the pipe that the half coupling will connect to. Pipe sizes are typically specified in inches, and the half coupling size should match the pipe size.

2. Pipe Material: Identify the material of the pipe, such as stainless steel, PVC, carbon steel, brass, copper, etc. The half coupling material should be compatible with the pipe material to prevent corrosion and ensure a reliable connection.

3. Pressure Rating: Determine the maximum operating pressure of the system. The half coupling should have a pressure rating that meets or exceeds the system’s operating pressure to ensure safety and performance.

4. Temperature Rating: Consider the maximum and minimum operating temperatures of the system. The half coupling material and design should be suitable for the temperature range to prevent deformation or failure.

5. Alignment and Misalignment: Evaluate the alignment and potential misalignment between the pipes. Some half couplings are designed to accommodate angular, parallel, or axial misalignment, providing flexibility in installation.

6. End Connection: Determine the type of end connection required for the half coupling, such as threaded, weld-on, or flanged. The end connection should match the corresponding connection on the pipe.

7. Corrosion Resistance: Consider the environment in which the half coupling will be installed. For corrosive environments, select a half coupling material with suitable corrosion resistance.

8. Industry Standards: Ensure that the selected half coupling complies with relevant industry standards and certifications for quality and safety.

9. Manufacturer Guidelines: Follow the manufacturer’s guidelines and recommendations for selecting the appropriate half coupling size and specifications based on the application requirements.

It is essential to consult with coupling manufacturers, suppliers, or industry experts if you are unsure about the correct size and specifications for the half coupling. Proper sizing and selection will ensure a reliable and efficient connection in the piping system.

What are the Different Types of Universal Couplings Available in the Market?

Universal couplings, also known as universal joints or U-joints, come in various designs to meet the specific needs of different applications. The main types of universal couplings available in the market include:

• Single Universal Joint: This is the most common type of universal coupling and consists of two yokes connected by a cross-shaped intermediate component. It allows for angular misalignment between the two shafts.
• Double Universal Joint: Also known as a double Cardan joint, this type of coupling uses two single universal joints connected end-to-end with an intermediate shaft in between. It is used to minimize the angular variation between the input and output shafts, reducing vibration in certain applications.
• Constant Velocity Joint (CV Joint): A CV joint is a specialized type of universal joint that maintains a constant velocity ratio between the input and output shafts. It is commonly used in automotive drive shafts to provide smooth power transmission even at varying angles.
• Disc Coupling: A disc coupling, also known as a diaphragm coupling, is a type of universal coupling that uses a series of flexible metal discs to transmit torque between the shafts. It provides high torsional stiffness and can accommodate misalignment in multiple directions.
• Flex Joint Coupling: The flex joint coupling is designed to handle large angular misalignments and axial movements. It is commonly used in applications with significant shaft misalignment and torsional flexibility requirements.

The choice of universal coupling type depends on factors such as the required range of motion, misalignment angles, torque capacity, and application-specific requirements. Engineers and designers select the appropriate coupling type based on the specific needs of the mechanical system to ensure reliable and efficient power transmission while accommodating shaft misalignment and angular variation.

editor by CX 2023-10-17