Why Choose Us

Powerful R&D Team

With an autonomous R&D team and a professional technical staff, our company strictly adheres to quality requirements in production and R&D processes for ensuring stable product quality.

OEM Serve

We also offer OEM services and customize products according to the specific needs of our clients, fully meeting all clients‘ requirements.

Professional Solutions

We provide our clients with fast and efficient hose, pipe fitting and valve manufacturing services and comprehensive solutions for piping systems through professional approaches.

Quality Control

Products produced under strict quality control require the inspection department to conduct quality inspection of the goods in the workshop.

What is Metal Hose

Flexible metal hoses are widely used in various industries for their unique properties and advantages. They are made of metal alloys such as stainless steel, bronze, and Inconel, which make them strong, durable, and resistant to corrosion and high temperatures. In this blog post, we will discuss the advantages and applications of flexible metal hoses.

Stainless Steel Corrugated Flexible Metal Hose

Material: SS 304/316L. Abrasion: 0.1. Pipe Diameter: 20-1000 (mm). Operating Temperature Range: 600

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Composite Hose PTFE Hose High Temperature Resistance

Usage：Connection. Connection：Flange. Shape：Equal. Keyword：Metal Hose. Standard：DIN/ANSI/JIS/BS.

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SS Corrugated Flexible Hose

Material: SS 304/316L. Pipe Diameter: DN8-100 (mm). Coefficient of Friction: 10. Crash Strength: 30

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Benefits of Metal Hose

Flexibility

The primary advantage of flexible metal hoses is their flexibility. They can bend and twist without breaking, which makes them ideal for applications where rigid piping would not work. This flexibility also allows for easier installation in tight spaces and around obstacles.

Durability

Flexible metal hoses are made of high-quality metal alloys, which make them strong, durable, and resistant to wear and tear. They can withstand high pressures, extreme temperatures, and corrosive environments, making them suitable for use in harsh conditions.

Corrosion Resistance

Flexible metal hoses are resistant to corrosion, which makes them suitable for use in applications where corrosion is a concern. They are commonly used in chemical processing plants, food and beverage industries, and marine applications.

High Temperature Resistance

Flexible metal hoses can withstand high temperatures, making them suitable for use in high-temperature applications. They are commonly used in steam and hot water applications, as well as in high-temperature air and gas applications.

Leak-Free

Flexible metal hoses are designed to be leak-free, which makes them ideal for use in applications where leakage is unacceptable. They are commonly used in hydraulic and pneumatic systems, as well as in high-pressure gas and liquid applications.

What are the Applications of Metal Hose

Chemical Processing
Flexible metal hoses are commonly used in chemical processing plants for the transfer of corrosive chemicals and acids. They are resistant to corrosion, which makes them suitable for use in harsh chemical environments.

Food And Beverage
Flexible metal hoses are used in the food and beverage industry for the transfer of food products and liquids. They are hygienic, easy to clean, and resistant to corrosion, making them suitable for use in food processing and storage.

Hvac

Flexible metal hoses are used in heating, ventilation, and air conditioning (HVAC) systems for the transfer of air and gases. They are resistant to high temperatures and can withstand the pressure and vibration of HVAC systems.

Marine

Flexible metal hoses are used in marine applications for the transfer of liquids and gases. They are resistant to corrosion, high temperatures, and pressure, making them suitable for use in marine environments.

Oil And Gas

Flexible metal hoses are used in the oil and gas industry for the transfer of oil, gas, and other fluids. They are resistant to high temperatures and pressures, making them suitable for use in oil and gas drilling and production.

Flexible Metal Hose Material

SS304
SUS 304 Austenite stainless steel is usually referred to as the Japanese name for SS304 or AISI 304 stainless steel.304 stainless steel is a common material of stainless steel, the density of 7.93 g/cm3 and resistance to high temperature 800 ° C.It has good processing performance and high toughness.They are widely used in medical industry and furniture decoration industry and food industry.Flexible metal hose made with SS304 has good comprehensive performance of corrosion resistance and formability.Stainless steel 304 flexible metal hose is durable in use , good and inexpensive, will bring the best result of use and good economic benefits to you.

SS321
SS321 is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816° C).SS321 also advantageous for high temperature service because of its good mechanical properties. SS321 offers higher creep and stress rupture properties than ss304.Therefore,if your tube needs to work under high temperature conditions, please select the flexible metal hose made by SS321.

SS316L
SS316L is an extra-low carbon version of the 316 steel alloy. SS316L has good corrosion resistance and is resistant to marine and aggressive industrial atmospheres.The lower carbon content in 316L minimizes deleterious carbide precipitation as a result of welding.
316L stainless steel has a maximum carbon content of 0.03. If it cannot be annealed after welding and the corrosion resistance is extremely high, Stainless steel flexible metal hose will be your best choice.

Here are The Factors one Must Consider While Using a Metal Hose

Disastrous situations
Would a hose failure be disastrous in terms of injury or downtime? Or as we call it, a catastrophic failure in the industrial language. Generally, the fittings of a metal hose are welded as compared to clamped or crimped in a traditional metal hose. When a failure occurs, the welded fittings of a metal hose develop small cracks as opposed to large cracks and blowouts in the case of a non-metal hose.

Chemical affinity
Metal hoses are rated well for their wide range of abrasive and corrosive chemical compatibility. All hose fittings and other assembly components are rated to withstand chemical attacks from chemicals in the external environment as well as within the conveyed material.

Permeability
Gas can seep in due to permeable hose walls of the non-metal hose, while the expertly fabricated metal hose assemblies do not allow gases to pass through their wall. Since there is no cross-contamination to the material of the hose, stainless steel hose can be cleaned with appropriate chemicals, hence reducing costs and extending service life.

External environment
One of the important factors taken into consideration while using a metal hose is that the external environment does not degrade it. Certain metal hoses are not electrically conductive and hence will not spark. Moreover, metal hoses will maintain their integrity up to 1200 degrees F even in the event of a fire. The metal hose has a higher vibration absorption than the non-metal hose, which minimises strain on connecting equipment.

Temperature
The metal hose can withstand extreme temperatures. If the temperature of the material conveyed via the metal hose or the external temperature is too hot or too cold, the service life of a non-metal hose will shorten and collapse. You should keep your crew safe by using metal hoses that are flexible in low-temperature applications up to -50 degrees.

Vacuum
The corrugation in a metal hose helps it to retain full shape even under a full vacuum, while a non-metal hose will collapse under a vacuum even when reinforced. Metal hose is not recommended for applications of high pressure, but it is a supreme choice for vacuum applications.

Process of Metal Hose

Cut The Metal Hose To The Required Length
Using a rough cutting tool, the flexible metal hose is cut from the spool at a bit more than the desired length. This hose typically includes both the braided exterior and the corrugated interior. The braided exterior is then removed from the flexible interior hose to separate the two elements and make them easier to work on. The core hose is then cut to the exact measurement required when paired with the end fittings.

Apply The Fitted Collars To The Hose Assembly

The interior corrugated hose is then reunited with the braided exterior. The interior hose will be a bit shorter than the exterior hose. Collars are then placed on the outside of the existing assembly. Once they are properly in place, they are crimped together to ensure that the collars do not shift.

Weld The End Fittings To The Assembly

At this point, the end fittings can be welded onto the assembly in a way that leaves no gaps for gas or fluids to escape through the weld. After welding the fittings on, the ends are polished to ensure that everything looks seamless.

Trim The Braid

After the collars are holding the braid and the interior hose together, the exterior braid is trimmed back to meet the edges of the collars and the interior hose.

Test The Hose Assembly

After the hose is completely outfitted with fittings, the entire assembly is tested for leaks and quality.

Maintenance Tips for Metal Hose

Inspect the hose and fitting visually
Visual inspections form an integral part of preventative maintenance, as such regular inspections will help in identifying damages and other issues that require fixing. If any kind of sign or unusual performance is seen, then replacement and repair need to be done as needed. Signs like a leak in the hose, fitting displacement, damaged covers, fittings, and so on have to be repaired as needed.

Track each hose's lifecycle
Each stainless steel hydraulic hose and fitting has an expected lifespan, which needs to be identified to see how long a particular hose will last considering different functions. Tracking the life span of the hose helps to know the ideal intervals for inspections and to see if any cuts or corrosion have happened at each stage of the lifespan. This will help in preparing a proper schedule that includes different functions at each stage, which improves the overall functioning of the machine.

Carry out functionality tests
The tests conducted on each hose system by operating at a high working pressure and checking for leaks help evaluate the whole system's performance. While such tests are conducted, safety precautions must be taken and the pressure has to be maintained at safe levels to prevent any harmful impact due to malfunction of the device.

Organise consistent replacement intervals
Replacement is an inevitable part of system functioning as there is a high chance of a breakdown or any such malfunction over time even if high maintenance and precautions are taken. Hence, replacing such parts at regular intervals is essential to ensure the smooth functioning of the system and reduction in any kind of injuries or damage to people or the system.

Analyse the data
While maintenance of the stainless steel hydraulic hose is carried out, it is important to analyse the data regularly to evaluate the performance of the system and to see if any alterations have to be made to the existing system. Analysing the data concerning system functions, replacement, inspections and so on will help in a better understanding of the overall functioning of the system. It also helps to determine if each device is working as per the expectations. Such monitoring and observation of data need to be done based on the functioning and nature of different components involved in a particular system.

Keep spare parts around
It is always better to keep spare parts of stainless steel hose assemblies in hand by maintaining an inventory for the same to prevent any kind of delay that might happen due to the lack of essential parts of the device. Fast replacement can be done through the availability of apt parts which can be used when required as per the demand of the situation. In addition to having an inventory, it is always better to order replacements to carry out the replacement tasks effectively and fulfil the entire process.

Our Company

Xi'an Changxin Hardware Co.,Ltd. was established in 2010, who is a leading supplier and manufacturer of flexible hoses, faucets, bathroom accessories,valves,pipe fittings and sanitary valves & fittings in China. It is well known in local market and overseas because of exporting their products to more than 80 countries with high quality products and thoughtful services.The company pays attention to every detail of the product from sample drawings to finished products, and carefully incubates every innovative idea. Our products are produced under strict quality control. The inspection department is required to conduct quality inspection of the goods in the workshop. Water testing, gas testing, and pressure testing are our common tests to ensure high-quality products and ensure that customers can cooperate with us without any worries.

FAQ

Q: How do you maintain a hose?

A: When you have finished using your hose, allow any excess water to drain before storing it. Leftover water in the hose can breed bacteria that are harmful to your hose. Coiling your hose slowly over your shoulder can help drain excess water after use. If you have a hose reel, loosely wind the hose for storage.

Q: How do you protect a flexible hose?

A: To minimize the potential of wear and tear in storage, be sure to cover each flexible hose with a resealable plastic bag. Hoses should also be stored away from extreme temperatures if possible and kept in a sealed case or box to further limit exposure to particulates.First, clean the area around the leak with some soap and water to remove any dirt and grime and allow it to dry. Apply bicycle tube glue or rubber cement over the leak. After the glue or cement dries, wrap the area with plumber's tape and your hose should be good to use for a few more seasons.

Q: What is the metal end of a hose called?

A: The Ferrule
A ferrule is a cylindrical fitting that goes over each end of a garden hose before inserting the male and female fittings into the hose ends. Ferrules can be either ribbed in design, for use with internally expanded male and female fittings, or smooth, for use with barbed fittings.

Q: What is flexible metal hose?

A: A flexible metal hose helps absorb vibrations, pipe movements, and noise. They are designed to connect misaligned rigid piping. They also help connect moving parts of machinery or equipment and are practical for hooking up frequently moved or dismantled equipment.On average, flexi-hoses will last between 5-10 years, but ideally should be replaced by a professional every 5 years to avoid the risk of them bursting. Getting a professional to regularly check your flexi-hoses for warning signs is very important!

Q: What are the metal hoses called?

A: The types of metal hose are strip wound hose and corrugated hose. While strip wound hoses have high mechanical strength, corrugated hoses can render maximum leak tightness due to their material and withstand high pressure.A flexible metal hose helps absorb vibrations, pipe movements, and noise. They are designed to connect misaligned rigid piping. They also help connect moving parts of machinery or equipment and are practical for hooking up frequently moved or dismantled equipment.

Q: What is Type 3 hose?

A: Layflat fire hose is typically used by the fire service to convey large quantities of high pressure water to the fire. For type 3 hose, an elastomeric covering provides low liquid absorption and high resistance to abrasion and heat. Available size. Size. End connection.

Q: What is corrugated metal hose?

A: Corrugated hoses are absolutely leak-tight and are used to convey liquids or gases under pressure or as vacuum lines. They are also referred to as pressure hoses. Their special design achieves both flexibility and pressure resistance.One of the standout benefits of metal hoses is their exceptional durability. Built to withstand even the harshest of conditions, they resist weathering, corrosion, and physical damage.

Q: What are metal hoses used for?

A: Metal hoses are utilized in a variety of industrial applications that need to transfer fuel, chemicals, or extremely hot fluids. While these products are ideal for a variety of industries, they are often more expensive than conventional rubber hoses, leading many operations to opt for cheaper products.

Q: How many types of hoses are there?

A: Hoses can also be classified by material. Common types of hose material include metal, rubber, PVC, PTFE, and composite. In addition to looking into the types of industrial hose that suit your business needs, you can also research hose assemblies and hose material suppliers.

Q: What are the three types of hose?

A: Type 1 is typically a general purpose fire hose with no external coating. Whilst Type 2 fire hoses have a durable external coating applied to prevent abrasion and liquid absorption. Type 3 fire hoses are the most commonly used hose in the fire service. Their external coating offers even higher abrasion resistance.rrl-type-a-hoe-pipe Reinforced Rubber Lined Hose is preferred by the fire fighters due to their excellent durability. The jacket is made of 100% synthetic yarn. RRL Hose has excellent heat and abrasion resistance.

Q: What is stainless steel hose?

A: Manufactured from a cylindrical, thin-walled tube, corrugated stainless steel hoses are made from rolled strips and is welded at the seam. Impressed into this tube is a corrugated annular profile, which helps each convolution to be perpendicular to the center line of the hose.Stainless Steel Hoses are flexible and resistant tubes made of stainless steel which protects internal materials against corrosion, heat, wear and tear, and external pressure.

Q: How are metal hoses made?

A: Most corrugated metal hoses are manufactured by first forming a thin-walled flexible tube that has corrugations introduced to allow the tube to bend without kinking. One, or more, layers of wire braid are then added to the exterior to give the hose the ability to withstand higher working pressures.Components of a typical flexible metal hose A flexible metal hose roughly consists of three parts - inner convoluted hose, braid layer, braid sleeve and end fittings. The hose body is usually made of stainless steel, such as 304, 321 or 316L. The corrugated structure makes the flexure maximize.

Q: What is corrugated metal called?

A: Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia) is a building material composed of sheets ..

Q: What is corrugated flexible hose?

A: Knowing and Using Flexible Corrugated Hose - Empowering Pumps ...
Corrugated hose is generally made in bronze, 300 series stainless steel, Monel, Hastalloy, or Inconel. The primary purpose of corrugated hose is to prevent the transmission of vibration from pumps, compressors, and other power systems to adjacent piping. Care is critical in positioning and connecting.

Q: Is metal hose better?

A: Metal hose can handle a wider variety of chemicals than most of the other hose types. If the hose will be exposed to aggressive chemicals (either internally or externally), metal hose should be considered.Braided hoses are made with an inner layer of reinforced yarn and an outer layer of flexible PVC. This construction makes them significantly more durable than traditional hoses and less likely to kink or burst.

Q: What is the use of SS corrugated hose?

A: Stainless Steel Corrugated Metal hoses are suitable for a wide range of application in the steelmaking, chemical smelting, petrochemical, automotive, material handing and power generation industries and many more fields.

Q: Which is better metal hose or plastic hose?

A: Plastic tubing simply won't last as long as metal tubing in most environments. Of course, longevity isn't metal tubing's only advantage. Metal tubing can handle high stress and high heat. It often looks more attractive, especially when it's stainless steel or aluminum.

Q: Why use stainless steel hose?

A: Exceptional durability and reliability
They are made from high-quality materials and are resistant to corrosion, abrasion, and extreme temperature variations. Robustly constructed, these stainless steel hoses are designed to handle the most demanding industrial conditions to ensure high performance and longevity.

Q: What is Type 1 hose?

A: Type 1 propane hose must be used in a well ventilated area and is NOT designed for use underground or use on automobiles (must use Type III for automobiles). All coupled assemblies are ULC labeled and are to be installed by a licensed gas fitter only. Construction: Tube: Nitrile rubber.The primary differences between pipe, tube, and hose lie in their rigidity, dimensions, and flexibility. Pipes are rigid and have standardized dimensions, while tubes have precise dimensions with tighter tolerances. Hoses, on the other hand, are flexible and designed for easy maneuverability.

Q: What is the difference between Type A and Type B hose?

A: Type A is the rubber lined or rubberized fabric lined wilh or without elasto- meric coating/covering. Type B is the improved quality, outer elastomeric coated/covered fire hose which would take care of the more rigorous operational uses and changing fire fighting environment.Inside Diameter, or I.D., is the primary measurement used in identifying a hose's size. A ¾ inch hydraulic hose means the inside diameter of that is ¾ of an inch. Fittings that are used for a hose assembly will be identified by the same inside diameter measurement, i.e. a ¾ inch fitting for a ¾ inch hose I.D.