I don t know how you store metal hoses

1) The sealing surface of the metal soft joint connector shall not have defects such as abrasions, pits, cracks, burrs, etc.

2) Metal soft joints should be stored in a ventilated and dry room, and sealed with plastic cloth to prevent corrosion.

3) The metal soft joints shall not be stacked, and should be handled and handled gently during the inspection and handling process to prevent damage to the wire or bellows of the mesh sleeve.

4) The metal soft joint should have a product quality certificate and use instructions, and the metal soft joint should have obvious metal soft joint specifications and model marks.

4) There should be no rust or corrosion on the surface of the metal soft joint, and there should be no spatter and welding slag at the weld part.

Here are some of the well-known brands recognized in the metal soft joints industry that are widely recognized and have a great reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following are the top ten domestic first-line valve brand manufacturers in 2022-2023, but for reference only: Suzhou Neway Valve Co., Ltd., Shanghai Guanlong Valve Machinery, Shanghai Qizhong Valve Manufacturing, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.

1. First of all, the metal hose should be kept in a natural stretch state when showering, and the shower head should be inserted on the shelf after use, and the metal hose should not be coiled on the shower faucet.

2. Secondly, when pulling the hose, it is necessary to prevent the joint between the hose and the valve body from forming a dead knot, and be sure to look at it carefully.

Special function metal hose is the hose installed in the pressure pipeline of the main pressure-bearing parts, at the same time to the bellows sheath, according to the pressure in the pipe and the application place, can choose one or more layers of stainless steel wire or steel belt for braiding, the pressure range of Shuguang brand hose is generally. Up to. Because the main parts of the hose are made of austenitic stainless steel, the hose has excellent temperature resistance and corrosion resistance, and the hose has a wide operating temperature range of -196 600 degrees.

Corrugated metal hose has good flexibility, fatigue resistance, high pressure resistance, high and low temperature resistance, corrosion resistance and many other characteristics, it is much higher than other hoses (rubber, plastic hoses) life, so it has a high comprehensive economic benefits. With the development of modern industry, the demand for corrugated metal hoses that can withstand high temperature and high pressure is also increasing. Hose Scope of Application:

It is necessary to have a fully flexible conveying pipe to prevent vibration of the piping, and it is suitable for steam, gas, air, heavy oil, petroleum, chemicals, etc. Installation of Metal Hoses Although metal hoses can be compressed or stretched, if they are not installed in the correct position, they will break quickly and reduce their service life. The hose can be installed horizontally, vertically or diagonally, ideally vertically, avoiding installation near the wheels and adding a baffle if necessary.

Generally, metal hoses can be divided into three lengths: the first is the compression length, that is, the length when the hose is compressed to the limit position; The second is the installation length, which is the length of the hose in the middle of half the maximum displacement; The third type is the stretch length, which is the length of the hose when it is stretched to the maximum limit. The hose should be installed in the middle position, the so-called installation length.

In this position, the hose can move in two directions when it is subjected to axial load, otherwise it can only move in one direction, which will affect the strength of the metal hose and reduce the service life. In the actual installation process, considering that the length of the hose is measured according to the calculation result with a ruler and then the installation may affect the production efficiency, some foreign manufacturers install the ruler directly on the hose and cut the ruler after installation. Structural characteristics of metal hose bellows mesh sleeve joints 6 9 Structural characteristics of metal hose bellows mesh sleeve joints:

The metal hose is generally composed of three parts: bellows, mesh sleeve and joint. The bellows is the body of the metal hose and plays a flexible role; The net sleeve plays the role of strengthening and shielding; The joint plays the role of a connection. They are connected in different ways for different use requirements:

The three parts of the bellows, the mesh sleeve and the joint are connected in the form of welding, which is called welding; It is connected in the form of mechanical clamping, which is called mechanical clamping; In addition, there is also a combination of the above two methods, which is called hybrid.

Metal hose corrosion resistance, high temperature resistance, low temperature resistance (-196 +420) light weight, volume, flexibility, widely used in aviation, aviation, petroleum, chemical, metallurgy, electric power, papermaking, wood, textile, construction, medicine, food, tobacco, transportation and other industries.

It is generally used in places where it is inconvenient for straight pipes to be installed, connected and bent.

Metal hoses are generally most commonly used in two situations.

1.When the wire protection pipe is buried in the structure, a metal hose is used when passing through the settlement, expansion and deformation joints of the building.

2.Metal hoses should be used for places that are prone to twisting, deformation and vibration, such as motor wiring.

How to solve the problem of metal hose leakage can refer to experience.

Metal hoses are installed.

In the case, we must follow the specific content of the instructions for use, different equipment is used in different conditions, and the actual assembly method also has certain differences, but all metal hoses can not be distorted and installed, which will inevitably lead to certain safety risks.

Precautions for Metal Hose Installation:

1. The other end of the stainless steel hose on the pipeline, which is far away from the vibration source, should be effectively fixed, so that the soft joint can isolate and absorb vibration.

2. Construction site.

When carrying out electric welding operations, the bellows should be effectively protected to prevent welding slag from splashing the bellows.

3. The stainless steel hose must be installed in a straight line, and must not be bent or translated.

4. After the installation is completed, the nut and spare mother on the tie rod should be locked, and the tie rod and nut should not be removed.

5. The medium shall not be corrosive to the bellows material, and the chloride ions in the medium.

The content should be 25ppm

6. The length of the product can be appropriately adjusted with a tie rod during installation, and the adjustment amount shall not be greater than the specified value.

1.The chloride ion content of the medium is 25ppm.

2.The surface of the Songjiang metal hose should be protected to prevent welding spatter and arc burns of the metal hose, usually protected with neutral wet asbestos.

3.When choosing a flange connection hose, it is best to use a metal hose with a loose flange at one end.

4.It is strictly forbidden to install metal hoses with twisted canals.

5.There should be no bend along the root of the hose, and there should be no dead bend.

6.It is strictly forbidden to mechanically damage the flange sealing surface.

7.Do not use chlorine-containing cleaners or wire brushes to remove dirt from metal hoses. Metal hose fittings mainly include threaded connections, flange connections, quick coupling connections and other types.

The stainless steel metal hose is made of stainless steel SUS304 or SUS301, which is used as a protection pipe for wires, cables, optical fibers, automation instrument signal lines and wire and cable protection pipes for instruments, with an outer diameter from 3mm to 150mm, with excellent flexibility, corrosion resistance, high temperature resistance, wear resistance and tensile resistance.

If you don't recommend it, it's good to choose a brand, you don't have to fix the region, and now it's very convenient to ship across the country.

Metal hose: Songjiang.

It has good flexibility, anti-twisting, good bending performance, and can withstand heavier loads; Resistant to acids, lubricating oils, coolants, etc., the surface is shiny and friction-resistant. It can withstand the heavy pressure of the foot, does not break, does not change shape, can recover quickly, and has no damage itself.

1.Install the metal hose.

, to prevent welding slag splashing to soft.

On the tube, it is necessary to prevent mechanical damage.

2.It is necessary to carefully understand the "Legend of Correct and False Metal Hose Installation".

And install and use it in strict accordance with the correct sketch.

3.The bellows of the metal hose are made of nickel-chromium austenites.

type stainless steel, to prevent chloride ions when used.

of point rot. etching, the chloride ion content should not exceed 25ppm.

Good. 4.If the connection type is flanged.

, please at one end.

Choose loose flanges to avoid torsion of the metal hose and reduce the service life.

5.Metal hoses for flammable and explosive dangerous goods.

Regular inspections and replacements should be done.

6.When there are special requirements for metal hoses, such as: high temperature, low temperature.

temperature, high pressure, corrosion resistance, etc., users may propose, i.

We will use special materials to manufacture to achieve full users. Meaning.

The application temperature of the general-purpose metal hose should not be maintained in the middle of 450 860, when the temperature of the general-purpose metal hose reaches 450 degrees, there will be a critical point, at this critical point, the general-purpose metal hose will dilute the chromium element around the carbon element, thereby producing chromium carbide, the chromium of the diluted solution originally existed in the area of chromium-poor area, the chromium-poor area should change the characteristic material of stainless steel, in addition, the temperature of 450 plus the compromise force will make martensite to austenite conversion.

Due to the elastic properties of the bellows profile, the hose has good flexibility and fatigue resistance, making it easy to absorb the cyclic load of various motion deformations, especially in the piping system, which has the ability to compensate for large displacements. The sealed piping system should strictly follow the operating procedures to prevent the hose from falling off or bursting due to overpressure caused by improper operation or other factors.

In the process of network and cleaning, the concentration of cleaning solution and iron ion should be regularly sampled and analyzed, and the reverse circulation should be carried out regularly, and air defense and guide shower should be carried out at the same time to avoid air resistance and guide shower blockage. The pipeline trench should be dug well, the tube well should be cut into bricks, and all kinds of general-purpose metal hoses of various models and specifications should be timely.

1. First of all, the metal hose should be kept in a natural stretched state when showering, and the shower head should be inserted on the shelf after use, and the metal hose should not be coiled on the shower faucet.

2. Secondly, when pulling the soft check and balance pipe, it is necessary to prevent the joint between the hose and the valve body not to form a dead knot, and be sure to look at it carefully, and pull the hose with a little lighter force, so as to avoid the metal hose being broken or causing damage to the hose.