The number of corrugations on the hose increases so the waves become frequent as we go from wide to compressed pitch. 
Web sitemizde size en iyi deneyimi sunabilmemiz iin erezleri kullanyoruz. 1- Transparent PVC: It is used for 14800 Cooker Connection and Water Flex. NOTE Flexible hose assembly designs which pass the type test approval described in this document can have a lower ratio of burst pressure to rated pressure than stated in other standards. Can I use a straight hose for a seismic application? Afterwards, it becomes a flexible hose on the same line, with its corrugations on it, via hydraulic or mechanical forming. For plumbing applications where the pipe may need to be rodded to clear an obstruction. This second layer of braid adds extra tensile strength to the connector, allowing it to have a higher-pressure rating than the standard option. If you have any questions or suggestions regarding the accessibility of this site, please contact us. However, many types of stainless steels will still corrode when they are exposed to chemically aggressive situations. This document provides specification and testing requirements for high pressure flexible hose assemblies intended to be connected to gas cylinders, bundles of cylinders or trailers (battery vehicles), and MEGCs for use when filling and emptying gas at production sites and also for customer use. 1-Welding the end pieces (fittings) such as nipple, coupling/sleeve (usage with union nut All kinds of flexible hose assemblies, 2- Stainless steel wirebraiding 14800 cooker flex, 3- Annealing (For easy bending and for 100 % extensibility) 15266 Indoor gas flex 11353 Extensible flex, 4- Tube (insulation) coating with transparent and opaque PVC, polyolefin/polyethylene, pvc+polyethylene foam materials 14800 Flex for Cooker Connection (Transparent PVC) 15266 Indoor Gas Flex (Opaque PVC) 10670 Flex for Combi Connection (Polyethylene/Polyolefin) 10878 Meter Connection Flex (Polyethylene/Polyolefin) 11353 Extensible Flex (Polyethylene/Polyolefin)) Solar Flex (PVC+Polyethylene foam), TECHNICAL SPECIFICATIONS and VARIETIES OF FLEX (FLEXIBLE) HOSE. can be manufactured from materials such as stainless steel, carbon steel, chrome coated, brass, chrome coated brass, etc. rubber and plastics flexible hose assemblies for welding, cutting and related processes up to 45 MPa (450 bar) for customer use (see ISO 14113); high pressure flexible hose assemblies for use with medical gas systems for customer use (see ISO 21969); low pressure hose assemblies for use with medical gases for customer use (see ISO 5359); rubber and thermoplastic low pressure hose assemblies for welding, cutting and related processes for customer use (see ISO 3821 or ISO 12170); flexible hose assemblies for cryogenic applications (see ISO 21012); flexible hose assemblies for liquid petroleum gas (LPG). Apart from these,flex hose (pipe) are used for general water installations, solar systems, boilers, and fan coil systems, Thanks to its flexible and corrosion resistant structure, they are preferred for all of the systems where difficult & time consuming adjustments vibration and corrosion are desired to be eliminated, and easy & fast installation is needed. 4- PVC +Polyurethane Foam: This type of coating which is produced with composite PVC onpolyurethane foam, is preferred for solar system hoses thanks to its high resistance against though natural conditions such as high heat, rain, snow, mud, etc. While the carbon ratio is maximum 0.08% at normal qualities, this ratio is maximum 0.03% for low carbon ratios. Larger sizes available. Great things happen when the world agrees. 304 / 304L and 316 / 316L. E. COATING (CASING) TYPES INTENDED USES AND BENEFITS. except for aggressive environments such as saline water, excessively humid environment, etc. 2. As we stated in the introduction part, we can classify the qualities of sheets used for hose production under 2 main common groups. Larger sizes available, Mass spec tested to ensure no refrigeration leaks, Grooved by flange end flexible metal hose and pump connector to minimize vibration, Groove X Carbon steel 150 lb. What if my pressure requirements exceed the rating the flexible connectors submittal? 
The ideal product for this is the CSA/AGA Listed Gas Metraloop. There are 2 main section types such as annular and helical. 1. Today, the annular hoses are preferred because of these superior technical properties. This standard contributes to the following Sustainable Development Goal: Opening hours: All Rights Reserved. All Rights Reserved All ISO publications and materials are protected by copyright and are subject to the users acceptance of ISOs conditions of copyright. Examples of externally pressurized expansion joints include Metragator, HP, and HPFF. stated in the standard(s) depending on the intended use of finished products. and it turns into a pipe. It ensures easy cleaning and decorative appearance. In other words, each product will have been tested at least 2 times in total without any exceptions. They can be even used under aggressive conditions such as saline water, etc. For higher pressure applications, we can add a second layer of braid (double braided) to the flexible connector. This will match the bend radius of the corrugated hose.
5-Polyurethane foam: It can be used in water and fancoil flexes with the aim of water insulation. and they show a very high resistant performance against corrosion thanks to molybdenum it contains. Any use, including reproduction requires our written permission. If it is going to be dispatched immediately after coiling and packing, then the hose becomes a product, e.g. The corrugations are perpendicular to hose axis in the annular type which makes it easier to install and safer to use. This type of liner can either be permanently welded in place or slipped into place. A properly functioning seismic joint requires two sections of hose working together. The casing is expected to protect the hose against cleaning chemicals and not to give a rise to a breathing hazard by releasing the hazardous chemicals that it contains.
The rods would be redundant and might limit the vibration isolation ability of the hose and braid pump connector. When do I need to add a liner to a hose or expansion joint?
In the nonstandard application, the right material selection by user/manufacturer is important such as in the hose. Apart from this, it fulfills the functions such as easy cleaning, decorative appearance and sound and vibration reducing from water flexes and it makes extra contribution to flexibility. 
(Compressed Pitch, Standard Pitch, Wide Pitch). No, The braid acts as the control rods. It also has integrated sensor cable. ASTM F-1120 is often used to specify expansion joints because for many years it was the only ASTM standard addressing metal expansion joints.
2- Opaque PVC: It is used for 15266 indoor gas flexes. The stainless hoses have a melting point of approximately 1400-1450 degrees Celsius(C). Depending on the location of the installation, you can see a substantial change of temperature that would require additional flexibility. If a gas line is run across the roof of a building, it will be subject to thermal loads due to the heating and cooling that occurs between day and night and change of seasons. During these processes, the semi-finished products are subjected to one or several leakage tests. KAS company is a wholesaler manufacturer of stainless flexible steel hoses produced in Turkey. Stainless Flexible Hoses(ss flex hose) can be categorized into 3 main pitch types in conformity with their intended uses: Wide, Standard and Closed (Compressed). We are committed to ensuring that our website is accessible to everyone. CE 14800 Gas Flex Group:https://kas.com.tr/en/prod-category/stainless-steel-flexible-hoses/ce-14800-gas-flex-group/. Larger sizes available, Carbon steel 150 lb. ASTM F-2934 that was developed for products intended for HVAC applications. The coating is expected to protect the hose against cleaning chemicals and not to pose any breathing hazard by releasing the hazardous chemicals it contains. https://kas.com.tr/en/prod-category/stainless-steel-flexible-hoses/ce-14800-gas-flex-group/, POLYETHYLENE/POLYOLEFIN TUBE (EXTRA VACUUMED) OR BARE. Under this title, we will give the standards and distinctive specifications of pipe fittings within the scope of TS EN standards in the tables below. Stainless flex hoses(ss flex hose) are manufactured from special stainless sheet strips having the content stated in TSE and EN ISO European standards. Please note: Externally pressurized expansion joints by design have a built-in liner. All copyright requests should be addressed to. The low carbon ratio prevents the corrosions (sensitization corrosion) which may occur in the molecular structure at the time of both welding and annealing processes. There are also higher-pressure hoses available as well. This would be what you would want if you were building an aircraft carrier. In other words, it is very important for the user to select the material in conformity with the intended use or to give the necessary information to manufacturer beforeordering and thus, to steer the manufacturer in the right way. In general, this coating is known as tube on the market. 3. Larger sizes available, Flanged flexible metal hose and pump connector to minimize vibration, Stock sizes 2.5 through 14. WHAT ARE THE FLEX (FLEXIBLE) CORRUGATED STAINLESS STEEL HOSES AND HOSE FITTINGS USED FOR? Note: In this document, we will be addressing the products as hose and flexible hose assembly. As shown in the Table, the flexibility increases but the compressive strength decreases as the number of nodes increases. A single section of hose cannot handle axial movement without damage to the hose. Then, it is welded on a production line uninterruptedly with any method such as TIG, Laser, Plasma, etc. Carbon steel MPT ends or weld ends available, Reducing flanged flexible metal hose and pump connector to minimize vibration, Stock sizes 2 X 1.5 through 12 X 10. All copyright requests should be addressed to copyright@iso.org. NSF 61 Listed for potable water applications. Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1). There are several requirements in F-1120 that are not necessary for a typical HVAC system, such as 100% radiographic inspection and manufactured with an ASME Section VIII stamp. Any liquid application of 25 feet per second or gas application over 75 feet per second should have a liner. Terms of Sales | Terms of Purchases | Privacy Policy, Threaded flexible connector to add flexibility and minimize vibration, Stock sizes .5 through 3. TS EN 10670 FLEXES FOR COMBI CONNECTIONS, TS EN 10878 FLEXES FOR METER CONNECTION, UNI 11353 EXTENSIBLE FLEXES ( FOR NONSTANDARD OPTIONAL USE FOLLOWING /). There are three reasons you would want to specify including a liner for a hopes or expansion joint. and it has a very well heat (thermal) insulation capability. In order to call a metal stainless steel, it should contain at least 10.5% of chromium in it (by weight). They must be subjected to all type oftests such as mechanical, chemical, thermal, etc. The outer coatings (tube) have no fire-retardant specification. Bu siteyi kullanmaya devam ederseniz, bunu kabul ettiinizi varsayarz. For hose products an interlock hose is used. Metraflex offers expansion joints that meet ASTM F-2934 or ASTM F-1120. Larger sizes available. The flexible hoses are manufactured from stainless steel sheet strip. In other words, it refers to material types which come into existence when the elements such as chromium, nickel, molybdenum, etc. We strongly recommend the users to pay attention to these certifications with priority. An example of this would be the DWV Metraloop. For internally pressurized joints, a solid liner is used that will not interfere with the bellows as shown below. Several material types are referred to in the relevant standards. All Rights Reserved. Metraflex, Metraloop, Fireloop and Cablesphere are registered trademarks of The Metraflex Company. Flex Hose begins its manufacturing journey as stainless sheet strip which is manufactured very precisely regarding its chemical content, cutting & surface quality, smoothness, thickness, etc. Thanks to its soft structure, it is used for all products where extra vacuumed coating is desired (Combi Flex, Extensible Flexes, Meter Flexes, etc.). If the area of usage is not limited to a specific standard, the customer can request to put the product to test in conformity with TS EN 10380 flex hose general standard orany kind of special test. No, a straight hose will not be able to provide the degrees of movement in the X, Y, and Z planes. The outer coatings (tube) have no fire-preventive specification. ** 304 / 304L contain 8-12% nickel and 17.5-2% chromium. (ASME Section VIII (8) establishes rules of safety governing the design, fabrication, and inspection of boilers and pressure vessels, and nuclear power plant components during construction). solar flex hoses. This document applies to flexible hose assemblies with rated pressures up to 1 000 bar for use in the temperature range of 40 C to +65 C. Under the previous title, we stated that the word of quality does not have the same meaning with qualified as we use in daily life and it is rather related to the elements contained in the metal itself. On the other hand, if it is going to be delivered as a flexible hose assembly it must pass through at least one of the stations mentioned below. Hose is used for the ones without any welded fittings. See the illustration below. The stainless flex hoses have a melting point of approximately 1400-1450 degree (C). 3-Polyethylene /Polyolefin: It has a soft and resistant structure. The end pieces of flexible hose fittings such as nipple,coupling/sleeve (usage with union nut), nut, etc. Larger sizes available, Flexible metal hose and pump connector for copper pipe. Do I need to worry about thermal expansion of natural gas lines? The intent of this specification is for it to apply to expansion joints that are installed in Naval ships. Any applications that are erosive or have particulate matter that may damage the hose. It protects the hose against aggressive chemicals and external impacts. Moreover, the annular type hoses dont give a rise to torsional forces in case of high pressure or pressure shocks and thus, they are more resistant compared to helical hoses. The specification ASTM F-1120 was developed in the Ships and Marine Technology technical committee of ASTM. The manufacturers become entitled to receive certificates from relevant institutions for the products which pass these tests successfully. The main aim is to prevent the damage of hoses and end pieces by aggressive chemicals which may be used for house cleaning. The compressive strengths of node types and its impacts on flexibility are given in the table below. drilled plate flange ends, Stock sizes 2 through 14. For high pressure applications, please contact The Metraflex Company. Flex (flexible) stainless hoses have been serving us in miscellaneous areas such as combis and cookers in our houses, meters at the entrances of our flats, fountains, armatures and decorative indoor gas installations, which is getting popular day by day. The coating can be made on the stainless hose in conformity with intended uses stated in the relevant standards or special demands. ** 316 / 316 L contain 10-13% nickel, 16.5-18.5% chromium and 2-2.5% molybdenum. For a hose the requirement for needing a liner is more straight forward. Do I need control rods on a hose and braid pump connector? in the raw material are available in varying ratios. Right after this, it is subjected to a leakage test. For internally pressurized bellows the requirement for needing a liner is spelled out in EJMA (Expansion Joint Manufacturers Association) per the table below. in conformity with TS EN standards as desired or stipulated by the standard. Any use, including reproduction requires our written permission. The main fluids flowing through them are natural gas and hot/cold water. FLEX (Flexible) Stainless Steel Hoses and Hose Fittings | What are they? Larger sizes available, Stock sizes .5 through 3. Liners for internally pressurized bellows are flow dependent. Therefore, they are very resistant against a possible fire. What are they used for?
* * The letter of L at the end refers to low carbon ratio. INTENDED USES AND DISTINCTIVE SPECIFICATIONS OF FLEXIBLE HOSE FITTINGS. 2022 The Metraflex Company. Note. In other words, they keep their distance but in reality, are very close to our lives and safety, for decades, thanks to its ease of installation and use, and long-lifetime against the corrosion. So in order to explain the issue simpler, we will mention only the common types, known as 304/304L, 316/316L. Grooved end flexible metal hose and pump connector to minimize vibration, Stock sizes 2 through 12. drilled plate flange end, Stainless steel flexible metal hose/pump connector, Stock sizes .5 through 2. The two sections can be parallel as in a Metraloop, or perpendicular as in a Dog Leg, or at a right angle as in a V Loop. Therefore, they are very resistant against a possible fire. Flexible hose listed for use with flammable and combustible gases and liquids. They can be used in the fluids such as water, gas, etc. The stainless steels (Wikipedia:stainless steel ) are the steels which are very resistant to formation of red colored rust (ferrous oxide) that we know in general terms. Proof returned by secretariat, International Standard under systematic review, All ISO publications and materials are protected by copyright and are subject to the users acceptance of ISOs conditions of copyright. Full report circulated: DIS approved for registration as FDIS, Final text received or FDIS registered for formal approval, Proof sent to secretariat or FDIS ballot initiated: 8 weeks, Close of voting. Sign up to our newsletter for the latest news, views and product information. A single section of hose can move laterally if one end is allowed to be drawn in. What is the difference between expansion joints that comply with ASTM F-1120 VS ASTM F-2934.
Web sitemizde size en iyi deneyimi sunabilmemiz iin erezleri kullanyoruz. 1- Transparent PVC: It is used for 14800 Cooker Connection and Water Flex. NOTE Flexible hose assembly designs which pass the type test approval described in this document can have a lower ratio of burst pressure to rated pressure than stated in other standards. Can I use a straight hose for a seismic application? Afterwards, it becomes a flexible hose on the same line, with its corrugations on it, via hydraulic or mechanical forming. For plumbing applications where the pipe may need to be rodded to clear an obstruction. This second layer of braid adds extra tensile strength to the connector, allowing it to have a higher-pressure rating than the standard option. If you have any questions or suggestions regarding the accessibility of this site, please contact us. However, many types of stainless steels will still corrode when they are exposed to chemically aggressive situations. This document provides specification and testing requirements for high pressure flexible hose assemblies intended to be connected to gas cylinders, bundles of cylinders or trailers (battery vehicles), and MEGCs for use when filling and emptying gas at production sites and also for customer use. 1-Welding the end pieces (fittings) such as nipple, coupling/sleeve (usage with union nut All kinds of flexible hose assemblies, 2- Stainless steel wirebraiding 14800 cooker flex, 3- Annealing (For easy bending and for 100 % extensibility) 15266 Indoor gas flex 11353 Extensible flex, 4- Tube (insulation) coating with transparent and opaque PVC, polyolefin/polyethylene, pvc+polyethylene foam materials 14800 Flex for Cooker Connection (Transparent PVC) 15266 Indoor Gas Flex (Opaque PVC) 10670 Flex for Combi Connection (Polyethylene/Polyolefin) 10878 Meter Connection Flex (Polyethylene/Polyolefin) 11353 Extensible Flex (Polyethylene/Polyolefin)) Solar Flex (PVC+Polyethylene foam), TECHNICAL SPECIFICATIONS and VARIETIES OF FLEX (FLEXIBLE) HOSE. can be manufactured from materials such as stainless steel, carbon steel, chrome coated, brass, chrome coated brass, etc. rubber and plastics flexible hose assemblies for welding, cutting and related processes up to 45 MPa (450 bar) for customer use (see ISO 14113); high pressure flexible hose assemblies for use with medical gas systems for customer use (see ISO 21969); low pressure hose assemblies for use with medical gases for customer use (see ISO 5359); rubber and thermoplastic low pressure hose assemblies for welding, cutting and related processes for customer use (see ISO 3821 or ISO 12170); flexible hose assemblies for cryogenic applications (see ISO 21012); flexible hose assemblies for liquid petroleum gas (LPG). Apart from these,flex hose (pipe) are used for general water installations, solar systems, boilers, and fan coil systems, Thanks to its flexible and corrosion resistant structure, they are preferred for all of the systems where difficult & time consuming adjustments vibration and corrosion are desired to be eliminated, and easy & fast installation is needed. 4- PVC +Polyurethane Foam: This type of coating which is produced with composite PVC onpolyurethane foam, is preferred for solar system hoses thanks to its high resistance against though natural conditions such as high heat, rain, snow, mud, etc. While the carbon ratio is maximum 0.08% at normal qualities, this ratio is maximum 0.03% for low carbon ratios. Larger sizes available. Great things happen when the world agrees. 304 / 304L and 316 / 316L. E. COATING (CASING) TYPES INTENDED USES AND BENEFITS. except for aggressive environments such as saline water, excessively humid environment, etc. 2. As we stated in the introduction part, we can classify the qualities of sheets used for hose production under 2 main common groups. Larger sizes available, Mass spec tested to ensure no refrigeration leaks, Grooved by flange end flexible metal hose and pump connector to minimize vibration, Groove X Carbon steel 150 lb. What if my pressure requirements exceed the rating the flexible connectors submittal? The ideal product for this is the CSA/AGA Listed Gas Metraloop. There are 2 main section types such as annular and helical. 1. Today, the annular hoses are preferred because of these superior technical properties. This standard contributes to the following Sustainable Development Goal: Opening hours: All Rights Reserved. All Rights Reserved All ISO publications and materials are protected by copyright and are subject to the users acceptance of ISOs conditions of copyright. Examples of externally pressurized expansion joints include Metragator, HP, and HPFF. stated in the standard(s) depending on the intended use of finished products. and it turns into a pipe. It ensures easy cleaning and decorative appearance. In other words, each product will have been tested at least 2 times in total without any exceptions. They can be even used under aggressive conditions such as saline water, etc. For higher pressure applications, we can add a second layer of braid (double braided) to the flexible connector. This will match the bend radius of the corrugated hose. 5-Polyurethane foam: It can be used in water and fancoil flexes with the aim of water insulation. and they show a very high resistant performance against corrosion thanks to molybdenum it contains. Any use, including reproduction requires our written permission. If it is going to be dispatched immediately after coiling and packing, then the hose becomes a product, e.g. The corrugations are perpendicular to hose axis in the annular type which makes it easier to install and safer to use. This type of liner can either be permanently welded in place or slipped into place. A properly functioning seismic joint requires two sections of hose working together. The casing is expected to protect the hose against cleaning chemicals and not to give a rise to a breathing hazard by releasing the hazardous chemicals that it contains.
The rods would be redundant and might limit the vibration isolation ability of the hose and braid pump connector. When do I need to add a liner to a hose or expansion joint?
In the nonstandard application, the right material selection by user/manufacturer is important such as in the hose. Apart from this, it fulfills the functions such as easy cleaning, decorative appearance and sound and vibration reducing from water flexes and it makes extra contribution to flexibility. (Compressed Pitch, Standard Pitch, Wide Pitch). No, The braid acts as the control rods. It also has integrated sensor cable. ASTM F-1120 is often used to specify expansion joints because for many years it was the only ASTM standard addressing metal expansion joints.
2- Opaque PVC: It is used for 15266 indoor gas flexes. The stainless hoses have a melting point of approximately 1400-1450 degrees Celsius(C). Depending on the location of the installation, you can see a substantial change of temperature that would require additional flexibility. If a gas line is run across the roof of a building, it will be subject to thermal loads due to the heating and cooling that occurs between day and night and change of seasons. During these processes, the semi-finished products are subjected to one or several leakage tests. KAS company is a wholesaler manufacturer of stainless flexible steel hoses produced in Turkey. Stainless Flexible Hoses(ss flex hose) can be categorized into 3 main pitch types in conformity with their intended uses: Wide, Standard and Closed (Compressed). We are committed to ensuring that our website is accessible to everyone. CE 14800 Gas Flex Group:https://kas.com.tr/en/prod-category/stainless-steel-flexible-hoses/ce-14800-gas-flex-group/. Larger sizes available, Carbon steel 150 lb. ASTM F-2934 that was developed for products intended for HVAC applications. The coating is expected to protect the hose against cleaning chemicals and not to pose any breathing hazard by releasing the hazardous chemicals it contains. https://kas.com.tr/en/prod-category/stainless-steel-flexible-hoses/ce-14800-gas-flex-group/, POLYETHYLENE/POLYOLEFIN TUBE (EXTRA VACUUMED) OR BARE. Under this title, we will give the standards and distinctive specifications of pipe fittings within the scope of TS EN standards in the tables below. Stainless flex hoses(ss flex hose) are manufactured from special stainless sheet strips having the content stated in TSE and EN ISO European standards. Please note: Externally pressurized expansion joints by design have a built-in liner. All copyright requests should be addressed to. The low carbon ratio prevents the corrosions (sensitization corrosion) which may occur in the molecular structure at the time of both welding and annealing processes. There are also higher-pressure hoses available as well. This would be what you would want if you were building an aircraft carrier. In other words, it is very important for the user to select the material in conformity with the intended use or to give the necessary information to manufacturer beforeordering and thus, to steer the manufacturer in the right way. In general, this coating is known as tube on the market. 3. Larger sizes available, Flanged flexible metal hose and pump connector to minimize vibration, Stock sizes 2.5 through 14. WHAT ARE THE FLEX (FLEXIBLE) CORRUGATED STAINLESS STEEL HOSES AND HOSE FITTINGS USED FOR? Note: In this document, we will be addressing the products as hose and flexible hose assembly. As shown in the Table, the flexibility increases but the compressive strength decreases as the number of nodes increases. A single section of hose cannot handle axial movement without damage to the hose. Then, it is welded on a production line uninterruptedly with any method such as TIG, Laser, Plasma, etc. Carbon steel MPT ends or weld ends available, Reducing flanged flexible metal hose and pump connector to minimize vibration, Stock sizes 2 X 1.5 through 12 X 10. All copyright requests should be addressed to copyright@iso.org. NSF 61 Listed for potable water applications. Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1). There are several requirements in F-1120 that are not necessary for a typical HVAC system, such as 100% radiographic inspection and manufactured with an ASME Section VIII stamp. Any liquid application of 25 feet per second or gas application over 75 feet per second should have a liner. Terms of Sales | Terms of Purchases | Privacy Policy, Threaded flexible connector to add flexibility and minimize vibration, Stock sizes .5 through 3. TS EN 10670 FLEXES FOR COMBI CONNECTIONS, TS EN 10878 FLEXES FOR METER CONNECTION, UNI 11353 EXTENSIBLE FLEXES ( FOR NONSTANDARD OPTIONAL USE FOLLOWING /). There are three reasons you would want to specify including a liner for a hopes or expansion joint. and it has a very well heat (thermal) insulation capability. In order to call a metal stainless steel, it should contain at least 10.5% of chromium in it (by weight). They must be subjected to all type oftests such as mechanical, chemical, thermal, etc. The outer coatings (tube) have no fire-retardant specification. Bu siteyi kullanmaya devam ederseniz, bunu kabul ettiinizi varsayarz. For hose products an interlock hose is used. Metraflex offers expansion joints that meet ASTM F-2934 or ASTM F-1120. Larger sizes available. The flexible hoses are manufactured from stainless steel sheet strip. In other words, it refers to material types which come into existence when the elements such as chromium, nickel, molybdenum, etc. We strongly recommend the users to pay attention to these certifications with priority. An example of this would be the DWV Metraloop. For internally pressurized joints, a solid liner is used that will not interfere with the bellows as shown below. Several material types are referred to in the relevant standards. All Rights Reserved. Metraflex, Metraloop, Fireloop and Cablesphere are registered trademarks of The Metraflex Company. Flex Hose begins its manufacturing journey as stainless sheet strip which is manufactured very precisely regarding its chemical content, cutting & surface quality, smoothness, thickness, etc. Thanks to its soft structure, it is used for all products where extra vacuumed coating is desired (Combi Flex, Extensible Flexes, Meter Flexes, etc.). If the area of usage is not limited to a specific standard, the customer can request to put the product to test in conformity with TS EN 10380 flex hose general standard orany kind of special test. No, a straight hose will not be able to provide the degrees of movement in the X, Y, and Z planes. The outer coatings (tube) have no fire-preventive specification. ** 304 / 304L contain 8-12% nickel and 17.5-2% chromium. (ASME Section VIII (8) establishes rules of safety governing the design, fabrication, and inspection of boilers and pressure vessels, and nuclear power plant components during construction). solar flex hoses. This document applies to flexible hose assemblies with rated pressures up to 1 000 bar for use in the temperature range of 40 C to +65 C. Under the previous title, we stated that the word of quality does not have the same meaning with qualified as we use in daily life and it is rather related to the elements contained in the metal itself. On the other hand, if it is going to be delivered as a flexible hose assembly it must pass through at least one of the stations mentioned below. Hose is used for the ones without any welded fittings. See the illustration below. The stainless flex hoses have a melting point of approximately 1400-1450 degree (C). 3-Polyethylene /Polyolefin: It has a soft and resistant structure. The end pieces of flexible hose fittings such as nipple,coupling/sleeve (usage with union nut), nut, etc. Larger sizes available, Flexible metal hose and pump connector for copper pipe. Do I need to worry about thermal expansion of natural gas lines? The intent of this specification is for it to apply to expansion joints that are installed in Naval ships. Any applications that are erosive or have particulate matter that may damage the hose. It protects the hose against aggressive chemicals and external impacts. Moreover, the annular type hoses dont give a rise to torsional forces in case of high pressure or pressure shocks and thus, they are more resistant compared to helical hoses. The specification ASTM F-1120 was developed in the Ships and Marine Technology technical committee of ASTM. The manufacturers become entitled to receive certificates from relevant institutions for the products which pass these tests successfully. The main aim is to prevent the damage of hoses and end pieces by aggressive chemicals which may be used for house cleaning. The compressive strengths of node types and its impacts on flexibility are given in the table below. drilled plate flange ends, Stock sizes 2 through 14. For high pressure applications, please contact The Metraflex Company. Flex (flexible) stainless hoses have been serving us in miscellaneous areas such as combis and cookers in our houses, meters at the entrances of our flats, fountains, armatures and decorative indoor gas installations, which is getting popular day by day. The coating can be made on the stainless hose in conformity with intended uses stated in the relevant standards or special demands. ** 316 / 316 L contain 10-13% nickel, 16.5-18.5% chromium and 2-2.5% molybdenum. For a hose the requirement for needing a liner is more straight forward. Do I need control rods on a hose and braid pump connector? in the raw material are available in varying ratios. Right after this, it is subjected to a leakage test. For internally pressurized bellows the requirement for needing a liner is spelled out in EJMA (Expansion Joint Manufacturers Association) per the table below. in conformity with TS EN standards as desired or stipulated by the standard. Any use, including reproduction requires our written permission. The main fluids flowing through them are natural gas and hot/cold water. FLEX (Flexible) Stainless Steel Hoses and Hose Fittings | What are they? Larger sizes available, Stock sizes .5 through 3. Liners for internally pressurized bellows are flow dependent. Therefore, they are very resistant against a possible fire. What are they used for?
* * The letter of L at the end refers to low carbon ratio. INTENDED USES AND DISTINCTIVE SPECIFICATIONS OF FLEXIBLE HOSE FITTINGS. 2022 The Metraflex Company. Note. In other words, they keep their distance but in reality, are very close to our lives and safety, for decades, thanks to its ease of installation and use, and long-lifetime against the corrosion. So in order to explain the issue simpler, we will mention only the common types, known as 304/304L, 316/316L. Grooved end flexible metal hose and pump connector to minimize vibration, Stock sizes 2 through 12. drilled plate flange end, Stainless steel flexible metal hose/pump connector, Stock sizes .5 through 2. The two sections can be parallel as in a Metraloop, or perpendicular as in a Dog Leg, or at a right angle as in a V Loop. Therefore, they are very resistant against a possible fire. Flexible hose listed for use with flammable and combustible gases and liquids. They can be used in the fluids such as water, gas, etc. The stainless steels (Wikipedia:stainless steel ) are the steels which are very resistant to formation of red colored rust (ferrous oxide) that we know in general terms. Proof returned by secretariat, International Standard under systematic review, All ISO publications and materials are protected by copyright and are subject to the users acceptance of ISOs conditions of copyright. Full report circulated: DIS approved for registration as FDIS, Final text received or FDIS registered for formal approval, Proof sent to secretariat or FDIS ballot initiated: 8 weeks, Close of voting. Sign up to our newsletter for the latest news, views and product information. A single section of hose can move laterally if one end is allowed to be drawn in. What is the difference between expansion joints that comply with ASTM F-1120 VS ASTM F-2934.