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 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!!!

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Can a Universal Coupling Be Used to Connect Shafts of Different Sizes or Types?

Yes, one of the key advantages of a universal coupling is its ability to connect shafts of different sizes or types. Universal couplings are designed to accommodate misalignment between shafts, including angular, parallel, and axial misalignment.

The design of the universal coupling allows it to transmit torque and rotation between two shafts that are not perfectly aligned. This feature is particularly beneficial in situations where precise alignment is challenging or not possible due to equipment design, manufacturing tolerances, or operating conditions.

The universal coupling consists of two jointed forks, each connected to one of the shafts. The forks are connected by a cross-shaped component called the spider or cross assembly. The spider allows for the transfer of torque while allowing the shafts to move independently of each other to a certain degree.

The ability to accommodate misalignment makes universal couplings suitable for various applications, including automotive steering systems, industrial machinery, pumps, and marine equipment. Whether the shafts have different sizes or types, the universal coupling provides a flexible connection that helps minimize stress on the shafts and other connected components.

How do you select the right half coupling material based on the fluid or gas being conveyed?

When choosing the right half coupling material for a specific fluid or gas conveyance application, several factors need to be considered. The material selection is critical to ensure compatibility with the conveyed substance, prevent corrosion, and maintain the overall integrity of the coupling. Here are the steps to help select the appropriate half coupling material:

1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the system. Consider factors such as the chemical composition, temperature, pressure, and whether it is corrosive or abrasive.

2. Check Material Compatibility: Ensure that the material of the half coupling is compatible with the conveyed substance. Some fluids or gases may react with certain materials, leading to corrosion or contamination. For example, corrosive chemicals may require corrosion-resistant materials such as stainless steel.

3. Consider Temperature and Pressure: High temperatures and pressures can affect the mechanical properties of the coupling material. Ensure that the selected material can withstand the operating conditions without compromising its structural integrity.

4. Corrosion Resistance: If the conveyed substance is corrosive, select a material that offers high corrosion resistance. Stainless steel, for instance, is known for its excellent corrosion resistance properties.

5. Abrasion Resistance: For applications involving abrasive fluids or gases, choose a material that can withstand wear and erosion. Hardened materials or those with protective coatings may be suitable.

6. Compliance with Standards: Consider whether there are specific industry standards or regulations that dictate the choice of material for certain applications. Ensure that the selected material meets these standards, especially in critical industries like food, pharmaceuticals, or petrochemicals.

7. Budget and Availability: Take into account the cost of the material and its availability. Some specialized materials may be more expensive or harder to obtain, so it’s essential to balance performance requirements with budget constraints.

8. Seek Expert Advice: If unsure about the best material choice, consult with coupling manufacturers or industry experts who can provide guidance based on the specific application requirements.

By carefully considering the conveyed fluid or gas, the operating conditions, and the material properties, it is possible to select the right half coupling material that ensures reliable and safe conveyance in the 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 2023-08-31