China high quality Ductile Iron Grooved Pipe Fittings Pipe Reducer Grooved Rigid Coupling

Product Description

 

 

Product Description

1nuo /YINUO Pipe Fittings Standard Grooved Pipe Fittings grooved coupling

production process

A rough castings of grooved fittings will be processed and produced by electric-furnice smelting,on-line monitoring and control and automatic molding methods.

Product Parameters

1. High Pressure Coupling Specification:

Size Pipe O.D Working Pressure Bolt Size
mm/in PSI/MPa No.-Size mm
25
1
33.7
1.327
750
5.17
2-M10*45
32
42.4
1.669
750
5.17
2-M10*45
40
1 1/2
48.3
1.900
750
5.17
2-M10*45
50
2
60.3
2.375
750
5.17
2-M10*55
65
2 1/2
73
2.875
750
5.17
2-M10*55
65
3OD
76.1
3.000
300
2.07
2-M10*55
80
3
88.9
3.500
750
5.17
2-M10*60
100
4
114.3
4.500
750
5.17
2-M10*65
125
5.5OD
139.7
5.500
750
5.17
2-M10*75
150
6 OD
165.1
6.500
750
5.17
2-M10*75
150
6
168.3
6.625
750
5.17
2-M10*75
200
8
219.1
8.625
750
5.17
2-M10*100
250
10
273.0
10.748
750
5.17
2-M10*130
300
12
323.9
12.752
750
5.17
2-M10*130
 

Product Details

 

Material Ductile Iron-ASTM A536
Thread Standard BSPT/ BSPP/ NPT
Bolt and Nut Cold Heading Steel- Gold color
Pressure 750 CHINAMFG – 5.17Mpa
Finish Epoxy/ Painted / Galvanized
Color Ral 3000 Red / Orange/ Blue/ White
Brand 1NUO
Package Cartons with Pallet / Wooden Case
Delivery Time 20-40 days as per ever order
Capacity Four Automatic Vertical Production Lines
Application 1. fire fighting& fire sprinkler system for commercial and civil fire protection construction, such as water supplying, gas supplying, air-conditioning etc.
2. Industrial pipeline system in shipping, mine, oil field, cement, mine piping , chemical plant etc.
3. Ordinary piping delivery in sewage treatment, Subway station, airport etc.

Gasket:

Gasket Material Temperature Range Recommendations
E EPDM -34ºC~ +110ºC Recommended for hot water, dilute acid, oil-free gas
and other chemicals(except for hydrocarbon ) within the specified temperature range. Not recommended for petroleum and hydrocarbon.
D NBR -29ºC~ +82ºC Recommended for petroleum products, gas with oil vapors, mineral oil and vegetable oil. Not recommended for high temperature materials.
S Silicon Rubber -40ºC~ +177ºC Recommended for high temperature and dry air, and some high temperature chemicals.

Certifications

FM Approved&UL Listed&CE Certificate

Packaging & Shipping

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
 

Company Profile

HangZhou CHINAMFG has strong technical strength and possesses the world’s first-class equipment and technology, as well as perfect testing methods. All rough castings of grooved fittings will be processed and produced by electric-furnace smelting, on-line monitoring and control and automatic molding methods. Now our facilities include 11 medium frequency furnace, 4 advanced vertical parting molding lines and 3 painting lines. Every customer’s requirements can be satisfied by customized services.

Yinuo’s ductile iron grooved fittings have successively passed the China national type test, ISO 9001 and FM&UL approvals etc. Our products are underwritten by China Ping An Insurance(Group) Co.,Ltd. The grooved pipe fittings are widely used in fire fighting, air-conditioning, water supply, sewage, cement, low-pressure steaming, mine piping and ordinary piping delivery.

ø Corporate Vision: Where there is pipes, there is YINUO.
ø Corporate Mission: Connecting pipeline around the world, benefiting homes in every building.
ø Competitive Strategy: To supply market with perfect products, to win customers with excellent service.
ø Core Value: Pragmatic honesty, quality first, continuous innovation and CHINAMFG cooperation.
ø Quality Value: We survive with quality and develop by technology.
 

Range of products

Rigid coupling, Flexible coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Tee, Reducing Tee(Grooved/Threaded), Cross, Reducing Cross(Grooved/Threaded), Mechnical Tee(Grooved/Threaded), Mechnical Cross(Grooved/Threaded), U-bolted Mechnical Tee, Reducer(Grooved/Threaded), Grooved Eccentric Reducer, Grooved Split Flange, Grooved Adaptor Flange, Cap.
Application: As 1 of the most popular fittings in fire fighting systems, the grooved pipe fittings are widely used in fire fighting, air-conditioning, water supply, sewage, cement, oil&gas pipeline, mine piping and ordinary piping delivery. CHINAMFG is spreading all over the world and winning the appreciations from users at home and abroad.

FAQ

Q1. Are you manufactrer?
A: Yes, we are manufacturing&trading combo.

Q2. What are your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q3. What is your delivery time?
A: The time of delivery is around 15-20 days, depending on order quantity.

Q4: Can you provide us with some samples for testing?
A: Of course, we can offer you samples. The sample is free, you only need to bear the freight.

Q5. What is your payment terms?
A: We accept 30% T/T in advance, 70% in the period of shipment or L/C at sight.

Q6. Could you specially design and produce for clients?
A: Sure, we have all kinds of professional engineers.We can design and produce special products according to customers’ request. Such as: special size, special control, OEM, etc.
 

 

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reducer coupling

Specific Safety Considerations for Using Reducer Couplings in High-Pressure Systems

When using reducer couplings in high-pressure systems, there are several important safety considerations to keep in mind to ensure the integrity and safety of the overall system. Here are some key points to consider:

  • Material Strength: Ensure that the reducer coupling is made from a material that can withstand the high pressure of the system. High-pressure applications often require couplings made from robust materials such as stainless steel, brass, or high-grade carbon steel.
  • Pressure Rating: Always check and verify the pressure rating of the reducer coupling. The pressure rating should be suitable for the maximum pressure that the system will experience. Exceeding the pressure rating of the coupling can lead to catastrophic failure.
  • Proper Sizing: Select a reducer coupling with the appropriate size to transition between pipes of different diameters while maintaining the required flow rate and pressure. Using an incorrectly sized reducer coupling can cause flow restrictions and pressure drops.
  • Sealing Integrity: Ensure that the reducer coupling has proper sealing mechanisms to prevent leaks under high pressure. O-ring seals or gaskets are commonly used to provide a reliable seal in high-pressure systems.
  • Fastening and Torque: If the reducer coupling has fasteners, such as bolts and nuts, make sure to use the correct tightening torque. Under-tightening can result in leaks, while over-tightening may damage the coupling or compromise its integrity.
  • Pressure Testing: Perform a pressure test on the entire system after installing the reducer coupling to identify any potential leaks or weak points. This step is crucial in high-pressure applications to ensure the system’s safety and reliability.
  • Regular Inspection and Maintenance: High-pressure systems require regular inspection and maintenance to identify any signs of wear, corrosion, or fatigue in the reducer coupling. Addressing issues promptly can prevent accidents and system failures.
  • Compliance with Standards: Ensure that the reducer coupling complies with relevant industry standards and regulations for high-pressure applications. Using couplings that meet specific safety standards can provide added assurance of their reliability.
  • Operator Training: Properly train all personnel who handle high-pressure systems, including installation, maintenance, and operation procedures. Knowledgeable and skilled operators can contribute to the safe and efficient operation of the system.
  • Emergency Procedures: Establish clear emergency procedures and protocols in case of any unforeseen incidents or leaks in the high-pressure system. Preparedness is crucial to mitigate potential risks.

By taking these safety considerations into account and following industry best practices, the use of reducer couplings in high-pressure systems can be safe and reliable. It is essential to consult with experienced professionals and engineers when designing, installing, and operating high-pressure piping systems to ensure their proper functioning and safety.

reducer coupling

Potential Limitations or Drawbacks of Using a Reducer Coupling

While reducer couplings are commonly used and offer advantages in certain applications, they also have some limitations and drawbacks that should be considered:

  • Flow Restrictions: Reducer couplings may create flow restrictions due to the change in pipe diameter, which can lead to increased pressure drop and reduced flow rates in the system.
  • Pressure Loss: When fluid flows through a reducer coupling, there is a pressure loss associated with the change in diameter. This pressure loss can impact the overall system performance, especially in high-pressure applications.
  • Mechanical Stress: The transition from a larger to a smaller pipe diameter in a reducer coupling can cause mechanical stress and turbulence in the fluid flow, potentially leading to fatigue and premature wear in the system.
  • Corrosion and Material Compatibility: If the reducer coupling material is not compatible with the materials of the connected pipes, it can lead to galvanic corrosion and deterioration of the coupling, reducing its lifespan.
  • Space Considerations: Reducer couplings add length to the pipeline due to their tapered design, which may require more space for installation and can be a constraint in compact or crowded installations.
  • Thermal Expansion: Differences in thermal expansion coefficients between the pipe materials and the reducer coupling material can cause stress and potential leaks at the joints during temperature variations.
  • Flow Turbulence: The abrupt change in pipe diameter at the reducer coupling can induce flow turbulence, affecting the efficiency of the fluid transport system.
  • Cost: In some cases, using a reducer coupling may require additional material and labor costs for installation, especially when transitioning between pipes of significantly different diameters.
  • Disassembly Difficulty: In situations where maintenance or repairs are required, disassembling a reducer coupling can be more challenging compared to other types of pipe fittings, particularly if it is permanently welded or glued.
  • Limitation in Transitioning Pipe Materials: Reducer couplings may not be suitable for transitioning between pipes with vastly different materials due to potential corrosion or compatibility issues.

Despite these limitations, reducer couplings remain valuable components for connecting pipes of different diameters in plumbing and piping systems. It is essential to carefully consider the specific requirements and challenges of the application to determine whether a reducer coupling is the best choice or if other types of pipe fittings would be more suitable.

reducer coupling

What are the Materials Commonly Used for Manufacturing Reducer Couplings?

Reducer couplings are manufactured using a variety of materials, each chosen based on its specific properties and suitability for different applications. The most commonly used materials for manufacturing reducer couplings include:

  • PVC (Polyvinyl Chloride): PVC is a widely used material for manufacturing reducer couplings in plumbing systems. It is lightweight, durable, and resistant to corrosion, making it suitable for both indoor and outdoor applications. PVC couplings are commonly used in residential and commercial plumbing installations.
  • CPVC (Chlorinated Polyvinyl Chloride): CPVC shares similar properties with PVC but has enhanced temperature and pressure resistance. This makes CPVC reducer couplings suitable for hot water and higher-pressure applications.
  • ABS (Acrylonitrile Butadiene Styrene): ABS is known for its high impact resistance and durability. ABS reducer couplings are commonly used in drain and waste systems, vent lines, and other low-pressure applications.
  • Brass: Brass reducer couplings are valued for their excellent corrosion resistance and strength. They are often used in plumbing systems where there is a need for a more robust and reliable connection.
  • Copper: Copper is known for its superior conductivity, making it suitable for applications that require electrical grounding. Copper reducer couplings are commonly used in water supply lines and heating systems.
  • Stainless Steel: Stainless steel reducer couplings offer excellent corrosion resistance and are ideal for applications that involve aggressive or harsh environments, such as chemical processing or marine applications.
  • Ductile Iron: Ductile iron is used for manufacturing heavy-duty reducer couplings designed for industrial and large-scale applications. It provides high strength and durability.

When selecting a reducer coupling material, factors such as the fluid or gas being conveyed, temperature and pressure requirements, environmental conditions, and the overall application must be taken into consideration. Additionally, compliance with industry standards and regulations is essential to ensure the reducer coupling’s reliability and safety.

China high quality Ductile Iron Grooved Pipe Fittings Pipe Reducer Grooved Rigid Coupling  China high quality Ductile Iron Grooved Pipe Fittings Pipe Reducer Grooved Rigid Coupling
editor by CX 2024-04-08

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