Grooved Pipe Flanges Factory

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Grooved Flange Manufacturers

Material: Ductile iron such as ASTM A536 GRADE 65-45-12, QT450-10
Size Available: 1" - 12"
Surface Treatment: hot- dip galvanized, Epoxy coated
Available Color: Red, Orange, Blue, Gray, Sliver(OEM Color supported)

Grooved flanges are commonly used in plumbing and HVAC systems to connect pipes of various sizes and materials. A grooved flange is a type of pipe flange that is designed with grooves or notches around its circumference, which allows for easy and secure attachment to grooved-end pipes. The grooves on a grooved flange are typically spaced apart evenly and are designed to match up with corresponding grooves on grooved-end pipes. The flange is then secured to the pipe by inserting a gasket into the groove and tightening the bolts or clamps around the flange. One of the main advantages of grooved flanges is that they allow for fast and easy installation and disassembly of pipes and fittings, making them ideal for applications where frequent maintenance or repairs are required. Additionally, grooved flanges are known for their high level of reliability and durability, which makes them a popular choice for demanding industrial and commercial applications.

Shandong Zhihua Pipe Industry Co., Ltd.

Zhihua is located in the beautiful international kite capital -- Weifang City is a collection of research and development, production, and sales of fire fittings, fire extinguishers, and other products of high-tech enterprises. The company was founded in 2007, after years of struggle, and enterprise-scale has been rapid development. At present, the company only has a construction area of more than 50,000 square meters, and the whole factory has more than 500 employees, including 50 professional and technical personnel with a bachelor degree or above and 10 senior engineers. Professional Grooved Flange Manufacturers, Wholesale Grooved Pipe Flanges Suppliers and Factory in China.

In order to improve product quality, increase production capacity and product specifications, the company began to introduce a large number of advanced production equipment in 2010 including ZZ416 automatic molding line 6 medium frequency induction 3T furnace 4 sets, Fadik 180T sand treatment system, Nidic dust removal system and a series of advanced equipment. This equipment not only stabilizes product quality but also improves production efficiency and reduces the labor intensity of workers. In order to ensure the stability of product quality, the introduction of imported spectrometers, advanced furnace carbon and silicon analyzer, metallographic image analyzer, cast iron laboratory analysis equipment, product pressure, tension, wear test equipment, and the establishment of various professional product testing laboratories.Supply Grooved Flange Wholesale.

Premium quality since ZhihuaThe company has passed the ISO9001 quality management system IS014001 environmental management system, and OHSAS18001 occupational health and safety certification, all products of the company through the fire voluntary certification, part of the products through the United States FM, UL, SG Sand CE certification.

  • 20230303-111835
  • 20230303-111855
  • Certification
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Industry Knowledge Development

How does a grooved flange work?
A grooved flange works by using a groove on the inside diameter of the flange to provide a secure and leak-proof connection between pipes or fittings. The groove is typically made using a specialized tool that cuts a groove into the pipe or fitting, creating a recessed area for the gasket to sit in.The gasket, which is usually made of a flexible material such as rubber, is placed in the groove, and the pipes or fittings are then connected by inserting the grooved flange onto the end of one pipe and tightening bolts or clamps around the flange to compress the gasket between the two flanges.The compression of the gasket creates a tight seal, preventing leaks from occurring. Grooved flanges are commonly used in piping systems that require frequent disassembly and maintenance, as they can be easily removed and reassembled without damaging the pipes or fittings. They are also used in applications where vibration or movement of the pipes is a concern, as the grooved connection is more resistant to movement and can reduce stress on the piping system.

What materials are grooved flanges made of?
Grooved flanges can be made from a variety of materials depending on the specific application and the requirements of the piping system. Some common materials used to manufacture grooved flanges include:Ductile iron: Ductile iron grooved flanges are the most commonly used material due to their strength, durability, and corrosion resistance. They are also resistant to thermal expansion and contraction.Stainless steel: Stainless steel grooved flanges are used in applications where the system may be exposed to harsh environments or require a high level of corrosion resistance. They are also used in hygienic applications such as food and pharmaceutical processing.Carbon steel: Carbon steel grooved flanges are commonly used in industrial applications where high pressure and high temperature conditions are present.Copper: Copper grooved flanges are used in applications that require good thermal conductivity, such as HVAC and refrigeration systems.PVC: PVC grooved flanges are used in low-pressure applications where chemical resistance and ease of installation are important factors.Other materials: Other materials such as brass, aluminum, and various plastics can also be used to manufacture grooved flanges depending on the specific requirements of the piping system.

How do you maintain and repair grooved flanges?
Maintaining and repairing grooved flanges is essential to ensure their longevity and performance. Here are some general steps for maintaining and repairing grooved flanges:Regular inspection: Regularly inspect the grooved flanges for any signs of damage, wear, or corrosion. Look for leaks, cracks, or signs of gasket failure.Cleaning: Clean the grooves and flange faces to remove any dirt, debris, or other contaminants that may interfere with the seal. Use a wire brush or abrasive pad to clean the surfaces.Gasket replacement: If the gasket is damaged or worn, replace it with a new gasket of the same size and material. Make sure the new gasket is compatible with the system's operating conditions.Bolt replacement: If the bolts are damaged or worn, replace them with new bolts of the same size and material. Make sure the new bolts meet the system's specifications for strength and corrosion resistance.Tightening: Tighten the bolts to the specified torque using a torque wrench. Do not overtighten the bolts as this can damage the flanges or cause the gasket to fail.Lubrication: Apply a small amount of lubricant to the bolts and nuts to prevent corrosion and ensure smooth tightening.Welding: If a grooved flange is damaged beyond repair, it may need to be cut out and replaced with a new flange. This process may require welding, so it's important to follow proper welding procedures and safety guidelines.Overall, proper maintenance and repair of grooved flanges will help ensure their reliability and longevity in piping systems.