Product Details
Product Description
Product Description
ferrule fittings 304/316 Stainless Steel Compression Tube Fittings Double Ferrule Tee Cross with Different Size
Ferrule fittings are an essential component in various industries where fluid or gas transportation and containment are of utmost importance. These fittings are known for their reliability, ease of installation, and ability to create leak-tight seals in demanding environments.
This article will delve into ferrule fittings, exploring their types, working principles, advantages, applications, installation procedures, maintenance, troubleshooting, and more.
Comparing Double Ferrule Fittings and Single Ferrule Fittings
This article looks at the differences between single and double ferrule tube fitting designs and how each one fits a unique purpose.
Compression fittings consist of three core components: a compression nut, a ferrule or ferrules, and a body。
One ferrule fittings and valves have a similar make-up, supplementing one large ferrule in place of two smaller ones. Tube fittings with one ferrule are called single ferrule fittings. Comparably, fittings with two ferrules are called double ferrule fittings.
To this day, there are two options to choose from when deciding on the best ferrule design for your application. We’re going to dig further into these two options to help inform your decision.
What’s the difference?
If you’re working with a single ferrule fitting:
Initially, the shoulder inside a compression nut engages with the back-end of the ferrule as it's tightened. Under this force, the angled front-end of the ferrule compresses into the body and grips the stainless steel tube. This back-end ferrule compression action protects the front of the single ferrule in an attempt to isolate tube vibration from affecting the front end tube bite.
If you're working with a double ferrule fitting:
In the double ferrule, or twin ferrule design, the front ferrule is the larger piece that sits deepest in the body. The back ferrule, is smaller and engages with the nut. The front ferrule is a softer metal and bites down between the tube and the fitting body creating the seal for the double ferrule technology. The back ferrule has a chemically hardened lead edge. This hardened portion is then able to bite down into the softer metal of the tubing, providing grip. The gripping action keeps the tubing from slipping under pressure, which could be dangerous.
Why are ferrules important?
Much care goes into the design of both single and double ferrule designs. Both styles are highly-engineered and designed with metal property science, called metallurgy, to provide accurate grip and seal. These actions, provided by the ferrule(s), are the most important functions when it comes to surviving pressure, temperature, and vibration. Loss of seal and tube blowout are two of the main concerns if ferrules don’t perform correctly.
Choosing between Single Ferrule and Double Ferrule:
Double ferrule fittings have become the preferred option over single ferrule fittings in recent years. However, there are a few advantages of each to be aware of before choosing between the two.
Double Ferrule Advantages
The Advanced Technology
The two-piece, double ferrule product incorporates a better sealing technology than the single ferrule system. As discussed earlier, both pieces have their specified roles to create the ultimate sealing product. Because of this, double ferrule fittings are the more advanced product of the two. The “double seal” advantage on stainless steel tubing creates a highly-efficient seal that the single ferrule product can’t compete with.
Better Choice for High-Pressure Applications
In addition to their better design, the double ferrule system is the preferred choice for high-pressure applications. Because of their ability to provide tight seals, double ferrule designs are ideal for tasks such as sealing off high-pressure gas systems.
Single Ferrule Advantages
Installation Safety
Because of the piece count, using one-piece compared to using two pieces is an advantage, in itself. When installing a single ferrule to the body, there's only one way a person can install it incorrectly. However, if you’re using the double ferrule method, there are more than 11 ways a person can incorrectly install the ferrules. One of these ways includes a chance that one of the two-part pieces could go missing, leaving only one piece to be installed into the body incorrectly. Unfortunately, back ferrules commonly go missing. They're also easy to insert facing the wrong direction. Without both pieces inserted correctly, double ferrule fittings will not grip or seal correctly.
Better Choice for Vibration, High Pulsation Applications
Many compression fitting applications have high-vibration and pulsation factors to consider.
The single ferrule has a compressed, light back-end grip which dampens vibration by isolating the seal point on the front end of the ferrule. Vibration can then flow from the back of the ferrule and through the nut/body of the assembly with less interference on the gripping action on the front end of the ferrule. Single ferrule handles these applications well because of this specific back-end compression.
In double ferrule fittings, vibration and pulsation can affect the seals by allowing stress from these instances to concentrate at the non-isolated back ferrule grip. Subsequently, double ferrule fittings have a slight disadvantage compared to the single ferrule for these vibration and pulsation applications.
Tube Fittings and Adapters
Qunrong manufactures a wide range of tube fittings and adapters that provide leak-tight connections and can stand up to high pressures and temperatures. Not only are they easy to install, but they also come in a wide variety of shapes, sizes, styles, and materials— including carbon steel and stainless steel.
Our high-quality and easy-to-use tube fittings, such as JIC fittings, NPT fittings, O-Ring Boss fittings, Weld fittings, nuts, caps, plugs and more, are what you need for the most demanding applications. Explore our large selection of fittings and adapters now.
Flareless Bite Type
Like tube fittings, SAE flareless bite type tube fittings are comprised of a nut, ferrule, and body and creates a seal with the tube by pushing the ferrule’s cutting edge into the tube wall. They are used on medium to heavy walled tubing, and as the name implies flareless fittings do not require a flaring operation yet provide a leak proof seal and a high resistance to vibration. Qunrong manufactures a wide range of steel and stainless steel flareless bite type fittings for your applications which meet or exceed the highest performance standards.
Our high-quality and reliable flareless bite type fittings prevent leaks and reduce torque to ensure a safe and efficient system. Review our large selection of flareless bite types now.
Flareless Bite Type Tube Union
For seamless, high-pressure connections, the Flareless Bite Type Tube Union offers a robust solution. Made from high-pressure carbon steel and coated with zinc trivalent anti-corrosion material, this tube union conforms to the J514 standard. It comes fully assembled with tube nuts and ferrules and is perfect for connecting tubes of the same dimensions without the need for flaring.
Material:SS
Shaping:Forged
Standards:J514
Flareless Bite Type Tube x NPT Male Straight Adapter
Flareless Bite Type Tube x NPT Male Straight Adapter
For seamless, high-pressure connections, the Flareless Bite Type Tube Union offers a robust solution. Made from high-pressure carbon steel and coated with zinc trivalent anti-corrosion material, this tube union conforms to the J514 standard. It comes fully assembled with tube nuts and ferrules and is perfect for connecting tubes of the same dimensions without the need for flaring.
Female Male Thread, BSPP/BSPT/ Metric/NPT SS304 SS316 FORGED threaded Fitting Hex Nipple hydraulic fittings hydraulic adapters
High Quality Stainless Steel Threaded Fittings
High quality raw materials: We only use top quality stainless steel materials from reputable suppliers to ensure that the chemical composition and mechanical properties of the materials meet strict industry standards.
Advanced Manufacturing Process: We have advanced manufacturing equipment and processes, including precision cutting, bending, CNC manufacturing, etc., to ensure the dimensional accuracy and surface finish of our products. Strict
Quality Inspection: Each product undergoes strict quality inspection before leaving the factory to ensure that the product meets your needs and meets the industry standards.
Comprehensive services
Pre-sales service: understand your specific needs, customize the best solution for you, we have a professional technical team to provide you with comprehensive technical advice to solve your difficult problems in the design, processing and installation process.
In-sale service: customized production according to your drawings and requirements, professional production team to ensure a quick response to your order, we strictly implement the production process and quality control to ensure that each product meets your standards.
After-sales service: Provide 24/7 after-sales technical support to solve any problems you encounter in the process of product use.
Hydraulic Tube Fittings - DIN2353/ISO8434:Bite type tube fitting is a flareless metric fitting that consists of a body, a progressive ring/ferrule (sleeve) and a nut.
On assembly, two cutting edges of the ferrule/progressive ring bite into the outer surface of the tube ensuring the holding for high Tube pressure.
Bite type Hydraulic Tube Fittings and accessories are manufactured in accordance with DIN2353/ISO8434-1.
Hydraulic Tube Fittings (DIN2353/ISO8434) are commonly used in fluid power systems for connecting tubes or hoses. These fittings provide a reliable and leak-free connection by using a biting action to grip the tube.
Brief overview:Design: Hydraulic tube fittings typically consist of a body, a nut, a ferrule (also known as a progressive ring/cutting ring/sleeve or collar), and sometimes an elastomeric seal. The body contains a tapered surface or a series of sharp serrations that grip the tube when the nut is tightened.
Assembly: To assemble a bite-type fitting, the nut and ferrule are slid onto the tube, and then the tube is inserted into the body of the fitting. As the nut is tightened onto the body, it compresses the ferrule around the tube, causing it to bite into the tube surface and create a secure seal.
Materials: These fittings are often made from materials such as steel (MS/CS), stainless steel (SS304/SS316), or brass, depending on the application requirements. The choice of material depends on factors such as the operating pressure, temperature, and compatibility with the fluid being conveyed.
Size & Configurations: Hydraulic tube fittings are available in a range of sizes (For Ex: 06mm to 42mm) and configurations to accommodate different tube diameters and connection requirements. They may also be available with different end connections, such as NPT, BSPP, or SAE threads, to suit specific system designs.
Applications: These fittings are commonly used in various industries, including hydraulic systems in construction equipment, agricultural machinery, industrial machinery, and automotive applications.
Advantages: Hydraulic tube fittings offer several advantages, includingHigh pressure capability: They can withstand high-pressure hydraulic systems.
Vibration resistance: The biting action provides a secure connection that is less susceptible to loosening due to vibration.
Easy installation: They can be quickly and easily assembled with basic tools, making them suitable for on-site installations.
Reusability: In many cases, the fittings can be disassembled and reused, which can be cost-effective over the long term.
Overall, Hydraulic Tube Fittings are a popular choice for hydraulic systems due to their reliability, durability, and ease of installation
Material
ASTM
Stainless steel(ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,
00Cr17Ni14Mo2, ect.)
Surface
Transparent oil, rust-proof black oil or hot galvanized.
Applications
Petroleum, chemical, machinery, boiler, electric power, shipbuilding, construction, etc
Warranty
We guarantee 1 year product quality
Delivery time
7 after receipt of advanced payment ,Common size large quantity in stock
Payment term
T/T, L/C, D/P
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