China Custom Black/Hot Dipped Galvanized Malleable Cast Iron Tube Fittings Reducer Socket/Coupling

Product Description

Product Description
Our main products are malleable iron pipe fittings, the brand is “G”. It is widely used in  fire protection, plumbing, oil, gas, infrastructure, construction and decoration  etc. The products has passed the UL&FM fire safety certification. The main markets include the United States, Canada, Australia, Latin America, South America, South Africa, the Philippines, Indonesia and Vietnam, Saudi Arabia and so on.
 

MALLEABLE IRON PIPE FITTINGS DETAILS
Material Black Heart Malleable Iron
Standard British Standard, American Standard, DIN standard
Chemical Property (C% 2.4-2.9), (Si%1.4-1.9), (Mn% 0.4-0.65), (P% <0.1), (S% <0.2)
Physical Property Tensile Strength>=300Mpa, Elongation>=6%, Hardness<=150HB
Testing Pressure 2.5Mpa Hydraulic Pressure
Working Pressure 1.6Mpa Hydraulic Pressure
Type Banded, Beaded, Plain
Surface Treatment Electro Galvanized, Hot Dipped Galvanized and Normal Black
Series Standard
Application Fire Fighting, Plumbing, Oil, Gas, Decoration, Infrastructure and Construction
Transportation mode By Sea, By Railway or By Air
Delivery  30-50 Days after Prepayment

Detailed Photos
 

 

Standard Details
 

Standard Details
  Materials Dimension Galvanized Threads
NPT ASTM A-197 ASME B16.3 16.14 ASTM A153 ANSI B1.20.1
ANSI/ASME/A197-79 ANSI/ASME B16.3-85   ANSI/ASME B1.20.1
BSPT ASTM A-197 BS EN 15712 ASTM A153 ISO 7/1
EN1562 BS 143&1256    
ISO5922 ISO49    
DIN ASTM A-197 DIN EN 15712 ASTM A153 ISO 7/1
EN1562 ISO49 ISO 1460 DIN 2999
ISO5922 DIN2950    
DIN 1692      

Package Detail

 

Certificate List


Company profile
 

HangZhou Jizhong Malleable Co., Ltd.  was established in 1990, nearly 30 years of production and sales experience, the company is located in HangZhou, the capital of ZheJiang Province, 300 kilometers away from ZheJiang , and same distance from the nearest port ZheJiang .
The company passed the  ISO9001  management system certification and BV certification, the products passed the  UL&FM  fire safety certification. 
Innovation, development, harmony and CHINAMFG is the purpose of our company; professional, rationality is our sales creed. We are committed to being your trusted partner.

 

 

FAQ
1.Are you a manufacturer?
Yes, our factory was set up in 1990

2.How to confirm the goods quality before placing orders?
We have a perfect quality inspection system to ensure the quality of products.

3.Acceptable payment methods?
We can accept T/T, L/C, O/A, etc

4.How long will it take to deliver?
Generally 30-50 days delivery.

Look CHINAMFG to cooperating with you!

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reducer coupling

How to Properly Install and Secure a Reducer Coupling to Prevent Leaks

Proper installation and secure fastening of a reducer coupling are crucial to prevent leaks and ensure the integrity of the plumbing or piping system. Here are the steps to follow when installing a reducer coupling:

  1. Prepare the Pipes: Before installing the reducer coupling, ensure that the ends of both pipes are clean, smooth, and free from any debris or burrs. Use a pipe cutter or a hacksaw to achieve clean cuts.
  2. Apply Primer (For Plastic Pipes): If you are working with plastic pipes like PVC or CPVC, use a pipe primer to clean and prepare the pipe ends. The primer helps in removing dirt and contaminants while promoting proper adhesion of the solvent cement.
  3. Apply Solvent Cement (For Plastic Pipes): After priming (if required), apply a layer of solvent cement to the outside of one pipe end and the inside of the reducer coupling socket. Make sure to use the appropriate cement compatible with the pipe material.
  4. Align the Pipes: Insert one pipe end into the socket of the reducer coupling, ensuring that it is fully seated. Make sure the pipes are aligned properly, and there is no gap between the pipe end and the coupling socket.
  5. Mark the Joint: Use a marker to mark the joint between the pipe and the coupling. This will serve as a reference point for proper insertion during the final assembly.
  6. Secure the Coupling: If the reducer coupling has a slip-on design, push the coupling towards the marked joint until it is fully seated. For threaded reducer couplings, thread the coupling onto one of the pipes, ensuring a tight fit.
  7. Tighten the Fasteners: If the reducer coupling has fasteners, such as nuts and bolts, tighten them securely to create a leak-resistant seal between the coupling and the pipes. Use the appropriate tools to achieve the recommended torque.
  8. Inspect for Leaks: After installation, inspect the joint and the surrounding area for any signs of leaks. Turn on the water supply or the fluid being conveyed and check for any drips or seepage.
  9. Allow Cure Time (For Plastic Pipes): If you used solvent cement for plastic pipes, allow sufficient time for the cement to cure before subjecting the joint to pressure or stress. Follow the manufacturer’s instructions for cure time.

It is essential to follow the manufacturer’s guidelines and best practices for the specific type of reducer coupling and pipe material being used. Proper installation and secure fastening will help ensure a leak-free connection and maintain the overall integrity of the plumbing or piping system.

reducer coupling

How to Select the Right Reducer Coupling Material Based on the Fluid Being Conveyed?

Choosing the appropriate material for a reducer coupling is crucial to ensure its compatibility with the fluid being conveyed in plumbing and piping systems. The choice of material depends on factors such as the type of fluid, temperature, pressure, and the surrounding environment. Here are some guidelines to help you select the right reducer coupling material:

  • 1. Identify the Fluid: Determine the type of fluid that will flow through the piping system. Different fluids have varying chemical compositions and properties, which can affect the material’s corrosion resistance and overall performance.
  • 2. Consider Corrosion Resistance: If the conveyed fluid is corrosive or contains chemicals that can react with certain materials, choose a reducer coupling material with excellent corrosion resistance. For corrosive environments, materials like stainless steel, PVC, CPVC, or certain types of alloys are often preferred.
  • 3. Temperature and Pressure: Evaluate the operating temperature and pressure of the system. Some materials may have limitations in extreme temperatures or high-pressure conditions. Ensure the selected material can withstand the specific operating conditions.
  • 4. Fluid Compatibility: Check if the material is compatible with the specific fluid to avoid any adverse reactions that could compromise the coupling’s integrity or contaminate the conveyed fluid.
  • 5. Environmental Factors: Consider the surrounding environment, including exposure to UV radiation, outdoor elements, or potential impact on the material’s mechanical properties.
  • 6. Regulatory Requirements: Ensure that the selected material complies with any industry standards or certifications required for the intended application, especially if the system conveys potable water or is subject to specific regulations.

Common materials used for reducer couplings include:

  • Stainless Steel: Offers excellent corrosion resistance and is suitable for a wide range of fluids, making it a popular choice for many applications.
  • PVC and CPVC: These materials are lightweight and corrosion-resistant, making them ideal for non-corrosive fluid conveyance and low-pressure systems.
  • Brass: Known for its durability and resistance to dezincification, brass is often used for water and gas applications.
  • Copper: Suitable for water and gas systems, copper is resistant to corrosion and has antimicrobial properties.
  • Carbon Steel: Provides strength and durability but may require corrosion protection in some environments.
  • Alloys: Various alloy materials offer enhanced properties such as higher corrosion resistance or better mechanical strength compared to individual metals.

Consulting with a knowledgeable engineer or a professional in the field can be beneficial in making the right material selection for your specific plumbing or piping system. Proper material selection ensures the reducer coupling’s reliability and longevity, as well as the overall integrity of the fluid conveyance system.

reducer coupling

What are the Standard Sizes and Dimensions of Reducer Couplings?

Reducer couplings come in a variety of standard sizes and dimensions to accommodate different pipe diameters. The sizes and dimensions of reducer couplings are typically specified in terms of the nominal pipe size (NPS) and the outside diameter (OD) of the pipe.

For example, a common type of reducer coupling is a “concentric reducer,” where the center axis of the two pipe ends remains in line. The standard sizes of concentric reducer couplings include:

  • 1/2″ x 1/4″ NPS
  • 3/4″ x 1/2″ NPS
  • 1″ x 3/4″ NPS
  • 1-1/4″ x 1″ NPS
  • 1-1/2″ x 1-1/4″ NPS
  • 2″ x 1-1/2″ NPS
  • 2-1/2″ x 2″ NPS
  • 3″ x 2-1/2″ NPS
  • 4″ x 3″ NPS
  • 6″ x 4″ NPS
  • 8″ x 6″ NPS
  • 10″ x 8″ NPS
  • 12″ x 10″ NPS

It’s important to note that the dimensions of the reducer coupling, including the overall length and the transition length, may vary depending on the specific manufacturer and industry standards. The dimensions of reducer couplings are designed to ensure a proper fit between pipes of different sizes, allowing for a smooth flow transition without abrupt changes that could lead to turbulence or pressure loss.

Additionally, reducer couplings are available in various materials, such as PVC, CPVC, stainless steel, brass, and copper, to suit the compatibility requirements of different pipe materials and applications.

Before selecting a reducer coupling for a specific application, it is crucial to consider the pipe sizes, material compatibility, pressure and temperature ratings, and the joining method to ensure a proper and secure fit for the plumbing or piping system.

China Custom Black/Hot Dipped Galvanized Malleable Cast Iron Tube Fittings Reducer Socket/Coupling  China Custom Black/Hot Dipped Galvanized Malleable Cast Iron Tube Fittings Reducer Socket/Coupling
editor by CX 2024-04-02


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