What are the standards for stainless steel metal hoses?

Stainless steel mesh sleeve is a metal braided hose installed in the pressure pipe.

in the main pressure-bearing parts at the same time on the metal hose.

For protection, according to the pressure in the pipeline and the application place, one or more layers of stainless steel wire or steel belt can be selected to be woven according to certain parameters to form a high-pressure resistant metal hose. The material of the main parts of the metal hose is austenitic stainless steel.

So as to ensure the excellent temperature resistance and corrosion resistance of the metal hose, the working temperature range of the metal hose is very large, 196 600, in the actual use process, the selection of the metal hose material should be selected according to the corrosiveness of the pipeline medium to choose the corresponding stainless steel grade, can ensure the corrosion resistance of the metal hose. Corrosion resistance, high temperature resistance, low temperature resistance (-196 +420), light weight, small size, good flexibility, light weight, fatigue resistance, good flexibility, shock absorption and noise reduction, strong sealing, long service life and other advantages. It is widely used in aviation, aerospace, petroleum, chemical industry, metallurgy, electric power, papermaking, wood, textile, construction, medicine, food, tobacco, transportation, steam, gas, air, heavy oil, petroleum, chemical and other industries.

1) The nominal diameter of the size of the hose, the type of connector (mainly flange connection, threaded connection, quick coupling connection) and the size and length of the metal hose are selected.

2) Pressure According to the actual working pressure of the hose, check the nominal diameter and pressure gauge of the corrugated metal hose to decide whether to use the stainless steel mesh sleeve type of metal hose.

3) Medium The chemical properties of the medium conveyed in the hose determine the material of each part of the hose according to the corrosion resistance of the hose material.

4) Temperature: The working temperature and range of the medium in the hose; The ambient temperature at which the hose is operating. At high temperature, the temperature correction coefficient of the working pressure of the metal hose at high temperature must be used to determine the correct pressure level.

5) Condition: According to the state of the hose when it is used, refer to the correct use and installation method of the metal hose and the optimal length of the hose when settling compensation. The length of the hose in various motion states is calculated, the minimum number of bends and the minimum bending radius of the hose are calculated, and the parameters are correctly selected for hose length and installation.

Stainless steel metal hose is a flexible element made of stainless steel corrugated pipe with one or more layers of steel wire or steel belt mesh sleeve, and both ends are equipped with joints or flange heads, which are used to convey various media of stainless steel metal hose. Two. Features:

Corrosion resistance, high temperature resistance, low temperature resistance (-196 +420), light weight, small size, good flexibility. It is widely used in aviation, aerospace, petroleum, chemical industry, metallurgy, electric power, papermaking, wood, textile, construction, medicine, food, tobacco, transportation and other industries. 1.

Conveying corrosive chemical media or organic solvents. (e.g.: loading and unloading ammonia, acetone, etc.) 2

Convey high-temperature media such as high-temperature gases and hot oil. (e.g. hot steam, heat transfer oil, etc.) 3

Conveying low-temperature or ultra-low-temperature media. (e.g. liquid nitrogen) 4

Convey water, steam, oil and other media in a high-temperature environment. (e.g. water vapor systems and hydraulic systems in coking, steelmaking, continuous casting equipment) 5

Pipes that require shock absorption or noise cancellation. (e.g. pump inlet and outlet).

Specification: 4- 600 Pressure: Executive Standard:

GB T14525-93 stainless steel metal hose is installed in the liquid transportation system as a flexible pressure-resistant pipe fitting, which is used to compensate for the mutual displacement of the connecting end of the pipeline or machine and equipment, absorb vibration energy, and can play the role of vibration reduction and noise reduction, with good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and many other points. Stainless steel metal hose is made of imported SUS304 (0Cr18Ni9), SUS316 (0Cr17Ni12Mo2) and SUS316L (00Cr17Ni14Mo2) materials. Among them, stainless steel wire braided hose, metal bellows for fluid transportation, stainless steel pump with vibration damping hose, stainless steel fire hose, stainless steel corrugated compensator, and stainless steel bellows for gas machinery.

The product has the advantages of good flexibility, corrosion resistance, fatigue resistance, high and low temperature resistance, shock absorption and noise reduction, strong sealing, and long service life. It is widely used in textile, chemical fiber, printing and dyeing, petroleum, chemical industry, steel, gas, air conditioning, automobile, fire protection, urban water supply, construction, metallurgy and petrochemical and other fields.

Here are some of the well-known brands recognized in the compensator industry that are widely recognized and have a great reputation. Although the ranking may change due to time and market conditions, the following brands are generally considered to be among the top brands in the valve industry: Water System Valves and Industrial ValvesThe following more influential first-line brands can be used as a reference, but are for reference only:

Suzhou Neway Valve, Shanghai Qizhong Valve, Shanghai Guanlong Valve, 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.

What is Stainless Steel Hose? Stainless steel hose specificationsHoses are used to connect sinks and washbasins at home to the inlet and outlet, copper pipes are too hard and iron pipes are prone to rust, so stainless steel hoses are the most suitable materials. So what is a stainless steel hose?

What are the specifications of stainless steel hoses? Let's follow us to learn about filial piety.

What is Stainless Steel Hose?

Stainless steel hose is made of 304 or 301 stainless steel as raw material of protective pipe, often used as wires, cables, automation instrument signals of wire and cable silver Shen Cheng protective pipe, with good corrosion resistance, high temperature resistance, wear resistance, tensile resistance and flexibility.

Stainless steel hose specifications

The smallest size of stainless steel hose is 3mm, the largest is 150mm, and the stainless steel hose with ultra-small diameter (inner diameter 3mm-25mm) is mainly used as a precision optical ruler for sensing lines and industrial sensor line protection tubes. The specific stainless steel hose specifications are shown below

The above is to bring you what is the non-front stainless steel hose? The full contents of stainless steel hose specifications.

The specifications and models of metal hoses are complete, and all the general specifications and models on the market are ready for spot trading. The metal hose is a metal bellows that uses galvanized strip steel and a unique insulation layer to solve the problem of using galvanized strip steel and a unique insulation layer on the surface, and the surface layer is made of PVC raw materials to resist ultraviolet light to maintain the cable and wires and achieve the insulation layer, moisture-proof, and can improve the beautiful and generous effect of cable bending. Metal hose can withstand high temperature -10 +80 and up to +100 for short time.

The pipeline installation and actual operation are simple, and it is moisture-proof, fireproof, earthquake-resistant, and impact-proof.

As a flexible compression-resistant pipe, the stainless steel metal hose is installed in the transportation system of mechanical equipment, which is used to offset the connecting ends of pipelines or mechanical equipment to reduce vibration and noise. Light weight, corrosion resistance, fatigue resistance, high and low temperature test resistance and many other characteristics. In further technical standards, the telescopic tube is an acid-resistant steel telescopic tube.

In further technical standards, part of the port number of the flange is fixedly connected with the small flange that corresponds to the flange, and the diameter of the small flange corresponds to the nominal diameter of the conveying pipe.

Stainless steel metal hose.

1) The correct length and size of the nominal diameter, the form of connectors (mainly including flange connection, flange connection, push-in joint connection) and the size of metal hose and the length of plastic hose.

2) Working pressure range, according to the working pressure of stainless steel metal hose working practice, and then check the nominal diameter and barometer of corrugated metal hose.

3) The transmission method, the chemical characteristics of the medium often transported in the stainless steel metal hose, and the corrosion resistance of the metal hose according to the corrosion resistance of the metal hose and the material of the stainless steel metal hose and various parts.

4) Liquid temperature, operating temperature and scope of medium in stainless steel metal hose, and working temperature of related work. When the high temperature continues, the correct pressure level must be confirmed according to the ambient temperature correction coefficient of the working pressure of the metal hose in the high-temperature environment, and the working pressure after the ambient temperature is adjusted.

5) Guess the situation of stainless steel metal hose, according to the state of the metal hose in use, refer to the standard use and installation steps of the metal hose and the optimal length of the hose after the foundation settlement compensation, the length calculation of the hose in various moving states and the small bending frequency and small bending radius of the hose, etc., the main parameters are to properly select the length of the metal hose and assemble it reasonably.

301 Stainless Steel is one of the Stainless Steel 300 system software. Compared with 200 series stainless steel, the high heat resistance and corrosion resistance of defective sections are improved, and the compressive strength is stronger than that of 304 and 316 series steels.

304 stainless steel is a wide range of stainless steel in the family of stainless steel, it can withstand relatively high temperatures, the main performance of strong acid and strong alkali conditions is also very good, 304 stainless steel produces a high temperature of 450.

316 series stainless steel and other metal hoses have good corrosion resistance and heat resistance. The high temperature of metal hoses produced from 316 stainless steel can reach 600 meters, 316L and even 700 meters.

Legal Analysis: Specifies the material, manufacture, and dimensions of corrugated metal hoses (hereinafter referred to as hoses) used as wire and cable protective pipes in ** or fire hazard environments. Performance, Inspection & Testing Technical conditions and marking of supply.

This hose can be used as a static protective tube and can also be used as a protective tube when the cable moves infrequently, occasionally, or less than once a week.

Legal basis: Construction Law of the People's Republic of China

Article 7 Before the commencement of the construction project, the construction unit shall, in accordance with the relevant provisions of the State, apply to the people's construction administrative department at or above the county level where the project is located to obtain a construction permit; However, there is an exception for minor works below the limit determined by the Ministry of Construction Administration.

Construction projects that approve the commencement report in accordance with the authority and procedures specified in the *** will no longer receive a construction permit.

Article 36 Safety production management of construction projects must adhere to safety first.

First, the principle of putting prevention first, establish and improve the responsibility system for safe production and the system of mass prevention and treatment.

Article 37 The design of construction projects shall conform to the construction safety regulations and technical specifications formulated in accordance with the provisions of the State to ensure the safety performance of the project.

Article 51 In the event of an accident during construction, the construction enterprise shall take emergency measures to reduce the loss of personnel and accidents, and report to the relevant departments in a timely manner in accordance with the relevant provisions of the State.

Article 52 The quality of survey, design and construction of construction projects must meet the requirements of the relevant national safety standards for construction projects, and the specific management measures shall be prescribed by the state.

When the national standards for the safety of construction projects cannot meet the requirements of ensuring construction safety, they shall be revised in a timely manner. Leather Bridge.

Article 53 The State shall implement a quality system certification system for units engaged in construction activities. Units engaged in construction and sliding activities may, in accordance with the principle of voluntary, apply for quality system certification to the first-class product quality supervision and management department or the certification body recognized by the department authorized by the first-class product quality supervision and management department. If it is certified, the certification body will issue a quality system certification certificate.

Stainless steel metal hoses are an important part of modern industrial engineering. Stainless steel metal hoses are usually used for protective pipes for cables, wires, etc., as well as civil shower hoses, and the cleaning is usually 3mm to 150mm. The following describes the specifications and characteristics of stainless steel metal hoses.

1. Its pitch is extremely flexible, good flexibility, no clogging and rigidity, and its threaded installation is very simple.

2。The hose is lightweight, soft-fitted, has good caliber consistency, repeatable bending, and good flexibility.

3. It has excellent corrosion resistance, excellent high temperature resistance, and excellent performance.

4. The stainless steel metal hose body can also effectively prevent rat bites, and its hard installation is good, which can effectively prevent the internal wires from being damaged.

5. It can effectively resist bending, and has excellent tensile and side compression resistance.

It can be used to protect signal lines, transmission lines and cables, optical cables for various devices, and it is suitable for four categories of products.

1. Optical measuring instruments, precision optical tapes, armored optical cables, medical equipment and machinery are being guarded with wires.

2. Suitable for daily visible equipment, such as **, remote control water meter and door magnetic alarm.

3. It is suitable to be used as a protective tube for various small wires.

4. Suitable for all kinds of robots and computers of network electric chain balance cable protection tube.

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