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prEN 3-7 Viešoji apklausa

Komentavimo iki data 2025-07-08

Nešiojamieji gesintuvai. 7 dalis. Charakteristikos, veikimo reikalavimai ir bandymo metodai

This document specifies the characteristics, performance requirements and test methods for portable fire extinguishers. Reference to the suitability of an extinguisher for use on gaseous fires (Class C fires) are at the manufacturer’s discretion but are applied only to powder type extinguishers which have gained a Class B or Class A and Class B rating. Suitability of extinguishers for use on Class D fires (fires involving flammable metals) is outside the scope of this document in respect of test fires. However, extinguishers claiming Class D suitability are covered in all other respects by the requirements in this document for powder extinguishers. It is considered hazardous for powder and carbon dioxide fire extinguishers to be used on Class F fires. For this reason, powder and carbon dioxide fire extinguishers are excluded for conformance with regard to Class F in this document. NOTE The extinction of a metal fire presents a situation so specific (in terms of the metal itself, its form, the configuration of the fire etc.) that it is not possible to define a representative standard fire for the purposes of testing. The efficiency of extinguishers on Class D fires is established on a case by case basis.

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prEN 1568-2 Viešoji apklausa

Komentavimo iki data 2025-06-10

Gaisro gesinimo medžiagos. Putų koncentratai. 2 dalis. Didelio plėtimosi putų koncentratų, naudojamų nesimaišančių su vandeniu skysčių paviršiams padengti, techniniai reikalavimai

This European Standard specifies requirements for chemical and physical properties, and minimum performance requirements of high expansion foams suitable for surface application to water-immiscible liquids. Requirements are also given for marking. WARNING - Any type approval according to this standard is invalidated by any change in composition of the approved product. Some concentrates conforming to this part of EN 1568 can also conform to other parts and therefore can also be suitable for application as low and/or medium expansion foams.

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prEN 1568-1 Viešoji apklausa

Komentavimo iki data 2025-06-10

Gaisro gesinimo medžiagos. Putų koncentratai. 1 dalis. Vidutinio plėtimosi putų koncentratų, naudojamų nesimaišančių su vandeniu skysčių paviršiams padengti, techniniai reikalavimai

This European Standard specifies requirements for chemical and physical properties, and minimum performance requirements of medium expansion foams suitable for surface application to water-immiscible liquids. Requirements are also given for marking. WARNING - Any type approval according to this standard is invalidated by any change in composition of the approved product. Some concentrates conforming to this part of EN 1568 can also conform to other parts and therefore can also be suitable for application as low and/or high expansion foams.

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prEN 1568-3 Viešoji apklausa

Komentavimo iki data 2025-06-10

Gaisro gesinimo medžiagos. Putų koncentratai. 3 dalis. Mažo plėtimosi putų koncentratų, naudojamų nesimaišančių su vandeniu skysčių paviršiams padengti, techniniai reikalavimai

This European Standard specifies requirements for chemical and physical properties, and minimum performance requirements of low expansion foams suitable for surface application to water-immiscible liquids. Requirements are also given for marking. WARNING - Any type approval according to this standard is invalidated by any change in composition of the approved product. Some concentrates conforming to this part of EN 1568 can also conform to other parts and therefore can also be suitable for application as medium and/or high expansion foams, and for application at low expansion to water-miscible liquids.

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prEN 1568-4 Viešoji apklausa

Komentavimo iki data 2025-06-03

Gaisro gesinimo medžiagos. Putų koncentratai. 4 dalis. Mažo plėtimosi putų koncentratų, naudojamų susimaišančių su vandeniu skysčių paviršiams padengti, techniniai reikalavimai

This European Standard specifies requirements for chemical and physical properties, and minimum performance requirements of low expansion foams suitable for surface application to water-miscible liquids. Requirements are also specified for marking. IMPORTANT - The fire performance is tested using acetone and isopropanol as the fuel, which also forms the basis for the performance classification. However, there are a large number of water-miscible liquids which have more or less different properties to acetone and isopropanol. It has been shown by tests using other fuels that the performance of various foams can differ considerably. Examples of such fuel is Methyl Ethyl Ketone (MEK). It is therefore essential that the user checks for any unfavourable or unacceptable loss of efficiency when the foam is used against fires in any other water-miscible fuels than acetone and isopropanol respectively. The fire test conditions and procedure given in H.2 can be used in order to achieve results comparative with acetone and isopropanol respectively and related requirements. It is also essential for the user to note that other fuel depths and methods of application than those specified in H.2 can cause considerable loss of efficiency and these matters should be carefully considered by the user when assessing the suitability for particular applications. WARNING - Any type approval according to this standard is invalidated by any change in composition of the approved product. NOTE Some concentrates conforming to this part of the EN 1568 series can also conform to other parts and therefore can also be suitable for application as medium and/or high expansion foams.

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