Grooved Pipe Fittings

Grooved Pipe Couplings and Fittings

Grooved pipe couplings and fittings are used to join pipes in both wet and dry system. They provided some flexibility in terms of movement and deflection to the piping system. The concept of grooved coupling was invented in when Victaulic designed the first mechanical coupling. Though many other companies make mechanical grooved couplings, grooved couplings are still known mostly as Victualic pipe couplings or Victaulic style pipe fittings.

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Grooved Coupling Video Overview

 

Grooved pipe fittings consist of grooved couplings, grooved fittings, grooved outlets, grooved valves and grooved replacement parts. Typical application of grooved fittings are in sprinkler risers, pipe feeds passing from one building area to another, locations prone to earthquakes, in discharge line above pump suction, in air or water fire services lines, piping systems subject to excessive vibration, and installation in tight spaces or where pipe alignment is difficult.

Grooved pipe fittings are limited to use with rolled or cut groove pipe, valve and fittings. These fittings are rated to 175 psi ( kPa) as a minimum. Pipe grooves are made according to ANSI/AWWA C606 specification "Grooved and Shouldered Joints".

These couplings are FM approved and can be used in underground services. The maximum ambient temperature for these couplings are 225 deg F (107 deg C)

These couplings are sold by nominal pipe sizes and will fit the corresponding nominal pipes ,valves and fittings.

 

 

 

4 Components of Grooved Pipe Fitting

A grooved coupling or a Victualic style groove coupling has four main components:

1. A grooved pipe (grooved or cut)
2. Coupling Housing
3. Sealing Element (Gasket)
4. Fastener (Nut and Bolt)

Five Benefits of Grooved Piping System

A grooved piping system is the most versatile, reliable and economical piping system. It is more reliable than a threaded or flanged connection and often results in 2x-4x faster installation. The system is designed to work with rolled or grooved pipes. Flexible grooved pipe couplings offer the flexiblity needed for vibration dampening or installation in earthquake prone areas.

1) Cost Saving

Grooved piping systems offer up to 30% cost savings. It offers fast assembly in tight systems, cleaner systems with no welding slag, contamination or hot work permit. More predictable cost estimates for contractors, resulting in faster and cheaper installation.

  A simple system with 3 components only Each pipe joint is a union Rolled or cut pipe groove

 

2) Each Joint is a Union

Each pipe joint is a flexible joint and removing the couplings allows removal of pipe for easy cleaning, servicing and maintenance. It also allows the flexibility to change the piping system and add / remove equipment.

3) Easy Installation with Rolled or Cut Grooved Pipe

Grooved pipe couplings require creating either a rolled groove or a machine cut groove. A rolled groove creates an indentation in the ID of the pipe whereas the machine cut groove is smooth on the ID. A rolled grooved is mostly done on thinner wall pipe whereas the machine cut groove is more common on thicker wall pipes. Grooved couplings are commonly installed on pipe schedules 5 to schedule 40.

A grooved pipe is much easier than a welded pipe joint, requiring no X Ray, hot work permit and associated hazards of welding a pipe.

4) Minimize Noise and Vibration

Use of grooved pipe coupling isolates the noise and vibration. Resilient gasket absorbs noise and vibration resulting in a quieter system. Provides superior vibration attenuation and eliminates the need of noise suppression devices.

5) Provide Expansion and Contraction

A grooved pipe joint allows for expansion and contraction of the pipe joint without compromising the integrity of the connection. It eliminates the need for costly expansion joints. Grooved pipe joints also eliminate pipe stresses for buried and underground pipes.

 

Five Types of Grooved Pipe Fittings

 

1) Grooved Coupling

A groove is made in the pipe by cold forming and machine cutting a groove into the end of pipe. See figure below for difference between rolled and cut groove. A gasket is housed in the coupling housing and is wrapped around the pipe ends. The groove in the pipe mates with tongue in the pipe and creates a restraint that prevents pipe pull out. Gasket / sealing element creates the pressure barrier. The entire assembly is tightened with bolts and nuts.

Flexible grooved pipe coupling

 

 

 

If you want to learn more, please visit our website coupling pipe joint.

 

There are two types of basic grooved couplings:

• Flexible grooved coupling that allows a limited amount of angular movement
• Rigid grooved coupling that does not allow movement and is similar to a fanged or a welded pipe joint

 

 

2) Grooved Pipe Fittings

 

Grooved Concentric Reducer Grooved 90 Deg Elbow Grooved Tee

 

 

 

 

Grooved Eccentric Reducer

Grooved and Threaded Adapter

 

3) Grooved Pipe Outlets

 

  Grooved Strap Tee Grooved Mechanical Tee

 

4) Grooved Valves

 

  Grooved Butterfly Valve Grooved Check Valve

 

5) Grooved Replacement Parts and Accessories

 

  150# Grooved Weldolet Grooved X Threaded Nipple

 

Grooved Pipe Fitting Manufacturers

Grooved pipe fittings were introduced in by Victaulic. Since then several manufacturers have entered the market. Notable among them are:

• Victualic
• Cooplok (by Smith Cooper)
• Gruvlok
• Shurjoint
• Grinnell / TYCO
• AnvilStar

The link below has part numbers cross referenced between different manufacturers. If you are used to other brands, the table below will help you choose an equivalent fitting from the other manufacturer.

The link below has part numbers cross referenced between different manufacturers. If you are used to other brands, the table below will help you choose an equivalent fitting from the other manufacturer.

SCI (Cooplok) Grooved Part Number Cross Reference

 

Everything You Need To Know About Grooved Pipe Fittings

Overview:

In the world of piping and fittings systems, grooved pipe fittings have become an essential component. These fittings are known for their versatility, ease of installation, and reliability in joining pipes together. Whether you are a seasoned professional or a DIY enthusiast, understanding grooved  pipe fittings can be invaluable for various applications. In this comprehensive guide, we'll delve into everything you need to know about grooved fittings, from their history to their applications and advantages.

The concept of grooved fittings dates back to the early 20th century when Captain Ernest Tribe, an engineer in the British Royal Navy, developed the first grooved coupling. His invention aimed to simplify and expedite the pipe joining process, especially in shipbuilding. Over the years, the design evolved and found its way into various industries, including fire protection, HVAC, and plumbing.

How do groove fittings work?

At the core of grooved pipe fittings' functionality is the groove itself. Pipes are prepared by grooving, which involves cutting a groove into the pipe ends. The grooves are usually semi-circular or U-shaped. Then, the grooved ends of the pipes are fitted with gaskets and inserted into the grooved fittings. A coupling housing, typically made of ductile iron or other durable materials, is secured around the joint using bolts and nuts. This compresses the gaskets, creating a tight seal and effectively joining the pipes.

What are the types of grooved fittings?

Grooved fittings are available in a wide range of materials to suit various applications. Common materials include ductile iron, stainless steel, and aluminium. Each material has its unique properties, making it suitable for specific environments and industries.

There are several types of grooved fittings, including:

1. Couplings: These are used to connect two grooved pipe ends. They come in rigid and flexible versions, with the latter allowing for some degree of movement.
2. Elbows: Grooved elbows are used to change the direction of piping. They are available in different angles, such as 45 degrees and 90 degrees, to accommodate various layouts.
3. Tees: Tees are used to create branches in a pipeline, allowing the flow of fluids in multiple directions.
4. Reducers: Reducers are used to transition between pipes of different sizes. They can be concentric (reducing in diameter uniformly) or eccentric (reducing while maintaining one side at the same level).
5. Adapters: Grooved adapters allow you to connect grooved pipes to other types of pipes, such as threaded or welded pipes.

What are the types of grooved fittings?

Grooved fittings offer several advantages that have contributed to their widespread adoption:

• Ease of Installation: Installing grooved pipe fittings is significantly quicker and more straightforward than traditional welding or threading methods. This reduces labor costs and downtime.
• Flexibility: Grooved Pipe & Fittings can accommodate thermal expansion and contraction, making them suitable for applications where pipes may expand and contract due to temperature changes.
• Reliability: When properly installed, grooved fittings provide a leak-tight and durable connection. They are also resistant to vibration, which is crucial in some industrial settings.
• Versatility: Grooved fittings can be used with a variety of pipe materials, including steel, stainless steel, copper, and plastic. This versatility makes them suitable for a wide range of applications.

 Applications of Grooved Fittings

1. Grooved fittings find applications in various industries and sectors:
2. Fire Protection: Grooved fittings are commonly used in fire protection systems to connect sprinkler pipes. Their reliability and ease of installation are critical in emergencies.
3. HVAC Systems: Heating, ventilation, and air conditioning systems often utilize grooved fittings for their ease of installation and flexibility.
4. Mining and Industrial: In rugged and demanding environments, grooved fittings provide a dependable solution for conveying fluids and materials.
5. Commercial Construction: Grooved fittings are often used in commercial buildings for plumbing, water distribution, and heating systems.

Conclusion:

Grooved fittings have come a long way from their origins in the early 20th century. They have revolutionized the piping industry with their ease of installation, versatility, and reliability. Whether you're working on a fire protection system, an HVAC installation, or an industrial project, understanding grooved fittings is essential for a successful and efficient plumbing system. By obtaining these from credible suppliers, one can easily leverage its potency to the maximum extent. 

For more information, please visit rigid grooved couplings.