Introduction To Ductile Iron Grooved Pipe Fitting

Feb 9, 2024 | Industry News, News

● What are Ductile Iron Grooved pipe fittings?

  1. Ductile iron grooved pipe fittings are a type of pipe fitting used to connect ductile iron pipes at the ends of grooves. They are commonly used in fire protection systems, piping systems and other industrial applications.
  2. Ductile iron grooved pipe fittings are made from ductile iron, a type of cast iron that has been treated with magnesium or other alloying elements to make it more ductile and less brittle. This makes ductile iron fittings stronger and more resistant to shock and vibration than traditional cast iron fittings.
  3. Ductile iron grooved fittings are also grooved on the inside, which allows them to be easily connected to grooved end ductile iron pipe using a grooved coupling. Grooved couplings are mechanical connectors that tighten around pipes and fittings to create a leak-proof seal.

Some advantages of using ductile iron grooved pipe fittings include:

1.Strength: Ductile iron is a strong and durable material that can withstand high pressures and temperatures.
2.Ductility: Ductile iron is more ductile than cast iron, making it less likely to break or crack under stress.
3.Corrosion Resistance: Ductile iron is resistant to corrosion and is ideal for use in harsh environments.
4.Easy to Install: Ductile Iron Grooved Fittings are easy to install as they can simply be pushed together and secured with grooved fittings.
5.VERSATILITY: Ductile iron grooved pipe fittings are available in a variety of sizes and configurations, making them suitable for a variety of applications.

Ductile iron grooved pipe fittings are a good choice for a variety of applications, including:

1.Fire Protection Systems: Ductile iron grooved pipe fittings are commonly used in fire protection systems because they are strong, durable and corrosion resistant.
2.Plumbing: Ductile iron grooved fittings can be used in a variety of plumbing applications, including water lines, drain lines, and gas lines.
3.Industrial Applications: Ductile iron grooved pipe fittings are also used in a variety of industrial applications such as chemical processing, mining, and power generation.

Overall, ductile iron grooved pipe fittings are a versatile and durable option for a variety of plumbing applications.

● What products are included in ductile iron grooved pipe fittings?

1.Rigid Coupling: A rigid coupling is a pipe fitting used to join two pipes together in a rigid and permanent manner. It consists of two halves that are bolted together around the pipe. Rigid couplings are typically used in applications where pipes need to be firmly connected and do not require flexibility or movement.
2.Flexible coupling: A flexible coupling is a pipe fitting used to flexibly connect two pipes together. It consists of two halves connected by a flexible element such as a rubber gasket or bellows. Flexible couplings allow some movement between pipes, which is useful in applications where pipes are subject to vibration or thermal expansion.
3.Shoulder Coupling: A shoulder coupling is a pipe fitting used to connect pipe to a flange fitting. It consists of a body with a shoulder mounted inside the flange and a gasket that seals the connection. Shoulder couplings are often used in applications where a flange connection is required but the pipe does not have a flange connection.
4.HDPE coupling: An HDPE coupling is a pipe fitting used to connect two pieces of HDPE (high-density polyethylene) pipe together. HDPE couplings are typically made from HDPE or a compatible material and are designed to create a leak-proof seal between pipes.
5.Angle pad coupling: Angle pad coupling is a pipe fitting used to connect two pipes at an angle. It consists of two halves that are bolted together around the pipe and a gasket that seals the connection. Angle pad joints are typically used in applications where pipes need to be joined at an angle, such as when a branch line is connected to a main line.
6.Elbow: An elbow is a pipe fitting used to change the direction of a pipe.
7.Tee: A tee is a pipe fitting used to connect three pipes together.
8.Mechanical tee: Mechanical tee is a tee fitting with mechanical joints that can be easily installed and removed.
9.Reducing Grooved Tee: Reducing Grooved Tee is a tee fitting in which one end has a different diameter than the other end and can connect pipes of different sizes.
10.Reducing Grooved Elbow: A reducing groove elbow is an elbow fitting that has a different diameter on one end than the other, allowing for the connection of pipes of different sizes.
11.Cross: A cross is a pipe fitting used to connect four pipes together.
12.Reducing Grooved Cross: Reducing Grooved Cross is a four-way accessory with one end having a different diameter than the other end and can connect pipes of different sizes.
13.U-Bolt Mechanical Tee: U-Bolt Mechanical Tees are tee fittings that are secured using U-bolts that are wrapped around pipe and tightened to create a secure connection.
14.Mechanical tee Threaded Outlet: Mechanical T-type threaded outlet is his T-type fitting with a threaded outlet for connecting threaded pipes.
15.Mechanical Tee Grooved Outlet: A Mechanical Tee Grooved Outlet is a T fitting with a grooved outlet that connects to a grooved pipe.
16.Mechanical cross Grooved Outlet: A mechanical cross grooved outlet is a cross fitting with a grooved outlet that accepts grooved pipe.
17.Mechanical Cross Threaded Outlet: A mechanical cross threaded outlet is a cross fitting with a threaded outlet that accepts threaded pipe.
18.Grooved End Cap: A grooved end cap is a pipe fitting used to close the end of a grooved pipe.
19.Adapter Flange: An adapter flange is a pipe fitting used to connect grooved pipe to flanged pipe.
20.Split Flange: A split flange is a flange made from two halves that can be easily installed and removed.
21.Cap with Eccentric hole: A cap with eccentric holes is a pipe fitting with a hole eccentric from the center of the cap, allowing pipes to be connected at an angle.
22.Caps with Concentric Holes: A cap with concentric holes is a pipe fitting with the hole located in the center of the cap, allowing for a straight connection to the pipe.
23.Grooved Reducer: A grooved reducer is a pipe fitting used to reduce the diameter of grooved pipes.
24.Grooved Reducer with Threaded Outlet: A grooved reducer with threaded outlet is a pipe fitting used to reduce the diameter of grooved pipe and has a threaded outlet to which threaded pipe can be connected.
25.Wrench Fitting: A wrench fitting is a pipe fitting used to join two pipes together and tighten with a wrench.

●What are the sizes of Ductile Iron Grooved pipe fittings?

  1. Ductile iron grooved pipe fittings are available in a variety of sizes, ranging from 1 to 24 inches in diameter. The most common sizes are 1 inch, 1-1/4 inch, 1-1/2 inch, 2 inch, 2-1/2 inch, 3 inch, 4 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14″, 16″, 18″, 20″ and 24″.
  2. The size of ductile iron grooved fittings usually depends on the size of the pipe being used. For example, 2-inch ductile iron grooved fittings will be used with 2-inch pipe.
  3. Ductile iron grooved pipe fittings are also available in various pressure ratings, including 150 psi, 200 psi, 250 psi and 300 psi. The pressure rating of a ductile iron grooved pipe fitting indicates the maximum pressure it can safely withstand.
  4. When selecting ductile iron grooved pipe fittings, it is important to select the correct size and pressure rating for the application. It is also important to ensure that the fitting is compatible with the type of pipe being used.
  5. In addition to the standard sizes listed above, ductile iron grooved pipe fittings also have some special sizes, such as 1/2 inch and 3/4 inch. These special sizes are often used for special applications.
  6. Ductile iron grooved pipe fittings are a versatile and durable option for a variety of plumbing applications. A variety of sizes and pressure levels are available, making them a good choice for a variety of projects.

●Material standards for Ductile Iron Grooved pipe fittings

1.ASTM A536: This standard covers the requirements for ductile iron castings used at elevated temperatures.
2.Grade 65-45-12: This grade of ductile iron has a minimum tensile strength of 65,000 psi, a minimum yield strength of 45,000 psi, and a minimum elongation of 12%.
3.QT450-10: This grade of ductile iron has a minimum tensile strength of 450 MPa, a minimum yield strength of 300 MPa, and a minimum elongation of 10%.

●Design standards for Ductile Iron Grooved pipe fittings

ISO 6182, AWWA C606, and MSS SP-67 are standards related to ductile iron grooved pipe fittings.

  1. ISO 6182: This is an international standard that specifies the requirements for grooved end ductile iron fittings used in fire protection systems. It covers the design, dimensions, materials and testing procedures of these accessories.
  2. AWWA C606: This is a standard developed by the American Water Works Association (AWWA) that provides guidelines for the installation of ductile iron compact fittings in water services. It includes requirements for the design, installation and testing of these accessories.
  3. MSS SP-67: This is a standard published by the Manufacturers Standardization Society (MSS) of the valve and fitting industry and covers grooved end butterfly valves. While it is not specific to ductile iron grooved pipe fittings, these fittings may be referenced if they are used in conjunction with grooved end butterfly valves.

These standards help ensure that ductile iron grooved pipe fittings meet certain quality and performance standards, promoting safe and reliable installation and operation in a variety of applications.

●Connection standards for Ductile Iron Grooved pipe fittings

1.ASME B1.20.1: Universal Pipe Thread (Inch): This standard specifies the dimensions, tolerances and codes of universal British pipe threads.
It is suitable for the threads of pipes, fittings and valves, as well as the threads of screws and nuts.
This standard includes tables of dimensions and tolerances for various thread sizes and types, as well as a system for specifying threads.

2.ISO 7-1: Pipe threads with pressure-tight fittings on the threads – Part 1: Dimensions, tolerances and designations. This standard specifies the dimensions, tolerances and designations of pipe threads for pressure sealing joints on threads.It is suitable for the threads of pipes, fittings and valves, as well as the threads of screws and nuts.This standard includes tables of dimensions and tolerances for various thread sizes and types, as well as a system for specifying threads.

3.GB 7306: Pipe thread: This is the Chinese national standard for pipe threads.
It is similar to ISO 7-1 but contains some additional requirements and specifications for China.

Ductile iron grooved pipe fittings:
Ductile iron grooved fittings are the type of fitting used to join ductile iron pipes together. They are usually made from a single piece of ductile iron cast in a mould. Ductile iron grooved pipe fittings are available in a variety of sizes and configurations and can be used with a variety of pipe materials, including copper, steel and plastic。

●Surface treatment of Ductile Iron Grooved pipe fitting

1.ASTM A53: ASTM A53 is a specification for carbon steel pipe used in a variety of applications, including ductile iron grooved fittings. It outlines the chemical composition, mechanical properties and testing requirements for pipes.
2.Electroplated painted: Electroplated painted is the process of applying a charged coating solution to a conductive surface such as ductile iron grooved pipe fittings. This process provides a uniform and corrosion-resistant coating.
3.Electroplated: Electroplating is the process of applying a metallic coating to a surface using an electric current. In the case of ductile iron grooved pipe fittings, electroplating can be used to provide a decorative or protective coating, such as chrome plating.
4.Epoxy: Epoxy coatings are often used on ductile iron grooved pipe fittings to provide corrosion resistance. Epoxy coatings are applied as a two-part system to provide a long-lasting protective barrier against chemicals, water, and other corrosive substances.
5.Hot dip galvanized: Hot dip galvanizing is a process of plating a layer of zinc on the surface of ductile iron grooved pipe fittings. The process provides a corrosion-resistant coating that protects accessories from rust and other environmental damage.
6.RAL3000: RAL3000 refers to the color code for shades of red.
This color is commonly used in fire hydrants and other firefighting equipment.
Ductile iron grooved pipe fittings painted RAL3000 are commonly used in fire protection systems.
7.Orange color: Orange is a color often used in traffic signs and other safety equipment.Ductile iron grooved pipe fittings painted orange are commonly used in construction and industrial applications.