1. Pipe & Hose Fittings (Hydraulics/Pneumatics) Offered
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  3. GRUVLOK 0390003101

0390003101 GRUVLOK Flexible Coupling Ductile Iron

0390003101 GRUVLOK Flexible Coupling Ductile Iron
Product Information
BrandGRUVLOK
Manufacturer Part Number0390003101

Review GRUVLOK Flexible Coupling Ductile Iron In

The Gruvlok 0390003101 flexible coupling is a premium product designed for use in industrial and commercial applications where the connection between two pipes requires some degree of flexibility. This specific model is made of ductile iron, a material known for its high strength, toughness, and resistance to fatigue and corrosion.

With external dimensions of 60mm (2.36 inches) in length and 78mm (3.07 inches) in diameter, the Gruvlok coupling is suitable for connecting pipes of similar sizes in various industries such as water supply, natural gas, and HVAC systems. The 60mm nominal size refers to the internal diameter of the pipe connection, ensuring a proper fit and seal.

The key feature of this flexible coupling is its ability to accommodate angular misalignment between the connected pipes, making it an excellent choice for applications where the pipes are not perfectly aligned. The coupling's flexible design consists of a bellows-type element that can compress and expand, allowing for up to 5 degrees of angular misalignment and up to 5mm (0.197 inches) of linear misalignment.

The bellows element is made of a high-quality elastomer material that provides excellent flexibility and resistance to aging and deterioration. The coupling's ends are designed with slip-on flanges, which allows for easy installation and dismantling without the need for welding or threading. The flanges are also equipped with bolting points that enable secure tightening with the use of bolts and nuts.

The Gruvlok 0390003101 flexible coupling is manufactured in accordance with the relevant industrial standards, ensuring its high quality and reliability. It is designed for a working pressure of 16 bar (232 psi) and a temperature range of -20 C to 80 C (-4 F to 176 F), making it suitable for a wide range of applications.

In summary, the Gruvlok 0390003101 flexible coupling is a robust, flexible, and reliable solution for connecting ductile iron pipes where some degree of angular and linear misalignment is present. Its high-quality materials, easy installation, and resistance to corrosion make it an ideal choice for various industries and applications.

Pros and Cons of Buying Gruvlok 0390003101 Flexible Coupling for Ductile Iron Pipes (60xN78)

Introduction:

Gruvlok 0390003101 is a flexible coupling designed for use with ductile iron pipes with an outside diameter of 60xN78. This product is commonly used in various industrial and commercial applications due to its flexibility and resistance to vibration. In this article, we will discuss the pros and cons of buying this flexible coupling to help you make an informed decision.

Pros:

1. Flexibility: The primary advantage of this flexible coupling is its ability to absorb and accommodate pipe movements caused by thermal expansion, contraction, or other external forces.

2. Vibration Dampening: The coupling's flexible design allows it to reduce the transmission of vibration from the connected pipes, which can help protect equipment and reduce noise levels.

3. Leak-free Connection: The Gruvlok coupling uses a gasketed design, ensuring a tight seal between the pipes, preventing leaks and minimizing the risk of contamination.

4. Corrosion Resistance: The coupling is made of ductile iron, which is known for its excellent resistance to corrosion, ensuring a long service life in harsh environments.

5. Easy Installation: The coupling's flexible design makes it relatively easy to install, reducing the need for extensive pipe modifications or disassembly.

Cons:

1. Cost: The Gruvlok 0390003101 flexible coupling is more expensive than traditional rigid couplings due to its advanced design and features.

2. Limited Size Range: The coupling is only available in specific sizes, which may not be suitable for all applications.

3. Requires Proper Alignment: During installation, the pipes must be properly aligned to ensure that the coupling seals correctly and evenly.

4. Maintenance: Although the coupling is designed to be robust, it still requires periodic maintenance and inspection to ensure its continued functionality.

Conclusion:

The Gruvlok 0390003101 flexible coupling offers several advantages, including flexibility, vibration dampening, leak-free connection, corrosion resistance, and easy installation. However, it also comes with some disadvantages, such as cost, limited size range, and the need for proper alignment during installation.

Recommendation:

If you are working on a project requiring pipes with an outside diameter of 60xN78 and need to accommodate pipe movements, reduce vibration, and prevent leaks, the Gruvlok 0390003101 flexible coupling is a solid choice. Its advanced features can help ensure a reliable and efficient system, even in demanding environments. However, consider the additional cost and ensure that the coupling is the correct size for your application before making a purchase.

Details:

Power adapters and other modifications may be necessary for proper operation in countries.

specifications pipehosefit:

  • brand: Gruvlok
  • mpn: 0390003101

offer pipehosefit:

  • started: july 13, 2025
  • options: ship-to-home
  • sold #: 20
  • availability: in stock
  • prices: $135.99–$211.48
  • item condition: New

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  • category: Business & Industrial > Adapters > Pipe Hose Fittings

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