Fluidsystem och delar: allmänt

Ämnesområden: Plaströr
Kommittébeteckning: SIS/TK 156 (Plast)
Källa: ISO
Svarsdatum: den 21 okt 2019
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This part of ISO 6259 specifies a method of determining the tensile properties of pipes made of unplasticized poly(vinyl chloride) (PVC-U), oriented unplasticized poly(vinyl chloride) (PVC-O), chlorinated poly(vinyl chloride) (PVC-C) and high-impact poly(vinyl chloride) (PVC-HI, PVC-M or PVC-A), and in particular the following properties:

— the stress at yield and stress at break;

— the elongation at break.

NOTE The general method of test for the determination of the tensile properties of thermoplastics pipes is given in ISO 6259-1.

This part of ISO 6259 also gives, for information purposes only, the corresponding basic specifications in annexes A, B, C and D.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for automated electromagnetic testing of seamless and welded steel tubes, with the exception of submerged arc-welded (SAW) tubes, for verification of hydraulic leaktightness. It is applicable to the inspection of tubes with an outside diameter greater than or equal to 4 mm, when testing with eddy current, and greater than 10 mm when testing with flux leakage method.

This part of ISO 10893 can also be applicable to the testing of hollow sections.

NOTE Electromagnetic inspection using magnetic flux leakage method is not applicable to austenitic stainless steel tubes.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for automated eddy current testing of seamless and welded tubes with the exception of submerged arc-welded (SAW) tubes, for the detection of imperfections according to the different acceptance levels as shown in Tables 1 and 2. It is applicable to the inspection of tubes with an outside diameter greater than or equal to 4 mm.

This part of ISO 10893 can also be applicable to the testing of hollow sections.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for automated full peripheral magnetic flux leakage testing of seamless and welded ferromagnetic steel tubes, with the exception of submerged arc-welded (SAW) tubes, for the detection of imperfections.

Unless otherwise specified in the purchase order, this part of ISO 10893 is applicable to the detection of predominantly longitudinal imperfections.

This part of ISO 10893 is applicable to the inspection of tubes with an outside diameter equal to or greater than 10 mm.

This part of ISO 10893 can also be applicable to the testing of hollow sections.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for automated ultrasonic testing for the detection of laminar imperfections
a) in the pipe body (full peripheral testing) of seamless and welded, except submerged arc-welded (SAW), steel tubes, or
b) in the area adjacent to the weld seam of welded steel tubes, and optionally
c) at the ends (full peripheral testing) of seamless and welded tubes.

This part of ISO 10893 can also be applicable to the testing of circular hollow sections.

NOTE For welded tubes, see ISO 10893-9 for an alternative test method for the detection of laminar imperfections in steel strip/plate prior to tube forming.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for the automated ultrasonic testing of strip/plate used in the manufacture of welded tubes for the detection of laminar imperfections carried out in the pipe mill before or during pipe production.

NOTE 1 For welded tubes, an alternative ultrasonic testing specification for the detection of laminar imperfections is available, which can be applied, at the discretion of the manufacturer, by ultrasonic testing of the tubes subsequent to seam welding according to ISO 10893-8.

NOTE 2 By agreement between the purchaser and manufacturer, the requirements of this part of ISO 10893 can be applied on strips/plates of SAW tubes in the pipe form after seam welding.

This part of ISO 10893 can also be applicable to the testing of strips/plates used in the manufacture of circular hollow sections.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for automated full peripheral ultrasonic shear wave (generated by conventional or phased array technique) testing of seamless and welded [except submerged arc-welded (SAW)] steel tubes, for the detection of longitudinal and/or transverse imperfections.

Unless otherwise specified in the purchase order, the testing method is applicable to the detection of predominantly longitudinal imperfections.

In the case of testing on longitudinal imperfections, Lamb wave testing can be applied at the discretion of the manufacturer.

For seamless tubes, by agreement between the purchaser and manufacturer, testing principles of this part of ISO 10893 can be applied to detect imperfections having other orientations.

This part of ISO 10893 is applicable to the inspection of tubes with an outside diameter greater than or equal to 10 mm, normally with an outside diameter-to-thickness ratio greater than or equal to 5.

This part of ISO 10893 can also be applicable to the testing of circular hollow sections.

NOTE For options for testing tubes with an outside diameter-to-thickness ratio less than 5 on longitudinal imperfections, see Annex A.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for the automated ultrasonic shear wave (generated by conventional or phased array technique) testing of the weld seam of submerged arc-welded (SAW) or electric resistance and induction-welded (EW) steel tubes.

For SAW tubes, the test covers the detection of imperfections oriented predominantly parallel to or, by agreement, perpendicular to the weld seam or both.

For EW tubes, the test covers the detection of imperfections oriented predominantly parallel to the weld seam. In the case of testing on longitudinal imperfections, Lamb wave testing can be applied at the discretion of the manufacturer.

For the detection of imperfections at the weld seam of EW tubes, full peripheral ultrasonic testing is possible.

This part of ISO 10893 can also be applicable to the testing of circular hollow sections.

NOTE For full peripheral ultrasonic testing of seamless and welded (except SAW) tubes, see ISO 10893-10.

Kommittébeteckning: SIS/TK 125 (Oförstörande provning)
Källa: CEN
Svarsdatum: den 30 okt 2019
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This part of ISO 10893 specifies requirements for the automated full peripheral ultrasonic testing of seamless and welded steel tubes, with the exception of submerged arc-welded (SAW) tubes, for wall thickness measurement. It specifies the testing method and corresponding calibration procedures.

NOTE 1 Full peripheral testing does not necessarily mean that 100 % of the tube surface is scanned.

NOTE 2 This test can be carried out simultaneously with full peripheral ultrasonic testing for the detection of laminar imperfections (see ISO 10893-8) using the same ultrasonic transducers for both inspection requirements. Under these circumstances, the minimum lamination size under detection determines the percentage of the tube surface for scanning, according to ISO 10893-8.

This part of ISO 10893 can also be applicable to the testing of circular hollow sections.

This part of ISO 10893 is applicable to the thickness measurement of tubes with a specified outside diameter equal to or greater than 25,4 mm and a minimum wall thickness of 2,6 mm, unless otherwise agreed on.

Kommittébeteckning: SIS/TK 156 (Plast)
Källa: CEN
Svarsdatum: den 5 nov 2019
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This document specifies the requirements for solid wall pipes with smooth internal and external surfaces, extruded from the same formulation throughout the wall, fittings and the system of unplasticized poly(vinyl chloride) (PVC-U) piping systems intended for soil and waste discharge applications (low and high temperature):

— inside buildings (application area code "B");

— for both inside buildings and buried in ground within the building structure (application area code "BD").

NOTE 1 The intended use is reflected in the marking of products by "B" or "BD".

NOTE 2 Multilayer pipes with different formulations throughout the wall and foamed core pipes are covered by EN 1453-1 [1].

NOTE 3 For use buried in ground within the building structure are intended only those components (marked with "BD") with nominal outside diameters equal to or greater than 75 mm.

NOTE 4 EN 476 [2] specifies the general requirements for components used in discharge pipes, drains and sewers for gravity systems. Pipes and fittings conforming to this standard fully meet these requirements.

This document is also applicable to PVC-U pipes, fittings and the system intended for the following purposes:

— ventilating part of the pipework in association with discharge applications;

— rainwater pipework within the building structure.

This document also specifies the test parameters for the test method that are referred to.

This document covers a range of nominal sizes, a range of pipes and fittings series and gives recommendations concerning colours.

NOTE 5 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

For external above ground application additional requirements depending on the climate should be agreed between the manufacturer and the user.

NOTE 6 Pipes, fittings and other components conforming to any of the plastics product standards listed in Annex B can be used with pipes and fittings conforming to this document, provided they conform to the requirements for joint dimensions given in Clause 6 and to the requirements of Table 25.

Ämnesområden: Tryckkärl; Kryogena kärl
Kommittébeteckning: SIS/TK 410 (Hydrogenteknik)
Källa: CEN
Svarsdatum: den 11 nov 2019
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This document specifies the minimum requirements for the cleanliness of all surfaces of cryogenic vessels and associated accessories that are in contact with the cryogenic fluid at any expected operating conditions.

This document defines the acceptable level of surface and particle contamination to minimize the risk of malfunction of equipment and ensure safety against ignition when in contact with oxygen or oxidizing fluids (see ISO 10156).

Ämnesområden: Ventiler: allmänt
Kommittébeteckning: SIS/TK 118 (Rörledningsprodukter och ventiler)
Källa: CEN
Svarsdatum: den 18 nov 2019
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This European Standard specifies the method for the strength calculation of the shell with respect to internal pressure of the valve.

Ämnesområden: Tryckkärl
Kommittébeteckning: SIS/TK 298 (Konstruktion, tillverkning och kontroll av tryckbärande anordningar)
Källa: CEN
Svarsdatum: den 26 nov 2019
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This document specifies the requirements for safety systems which protect a vessel, a system of vessels, piping, accessories or assemblies from exceeding operating conditions.

It is also applicable to safety related indicators and alarms, signals and warning devices when used in safety systems.

Equipment connected together by piping of adequate capacity, free from potential blockages and which does not contain any valve that can isolate any part from the safety system, can be considered as a single pressure system when considering the requirements for overpressure protection.

Safety systems include the interconnections between the equipment to be protected and any discharge location. This location can either be an outlet to atmosphere or the entry into a closed disposal system.

NOTE The scope of this document and its relationship to the safety accessories and other protective devices described in the Pressure Equipment Directive are shown in Annex E.

Ämnesområden: Slangar och slangledningar
Kommittébeteckning: SIS/TK 154 (Gummi och gummiprodukter)
Källa: CEN
Svarsdatum: den 28 nov 2019
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This European Standard specifies requirements for two types of thermoplastic multi-layer (non-vulcanized) transfer hoses and hose assemblies for carrying liquefied petroleum gas and liquefied natural gas. Each type is subdivided into two classes, one for onshore duties, and the other for offshore.

This European Standard is applicable for hose sizes from 25 mm to 250 mm, working pressures from 10,5 bar to 25 bar and operating temperatures from - 196 °C to + 45 °C.

NOTE Offshore LNG hose assemblies are also specified in EN 1474–2.

WARNING — Persons using this European Standard should be familiar with normal laboratory practice. This standard does not purport to address all the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate health and safety practices and to ensure compliance with any national regulatory conditions.

Ämnesområden: Slangar och slangledningar
Kommittébeteckning: SIS/TK 154 (Gummi och gummiprodukter)
Källa: CEN
Svarsdatum: den 28 nov 2019
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This document specifies requirements for two types of hose assemblies (Types D and SD) and four grades based on electrical properties with hoses made of rubber or thermoplastics and hose fittings made of metal designed to convey liquid or gaseous chemical substances, hereinafter termed the "chemicals conveyed".

The hose assemblies are intended for use with chemicals conveyed in the temperature range of –20 °C to +65 °C at a working pressure ≤ 10 bar1).

1) 1 bar = 0,1 MPa.

NOTE 1 This document sets out requirements for these hose assemblies to ensure that users are not exposed to danger from fire or explosion and that the environment is protected against contamination or damage.

NOTE 2 Other temperatures and working pressures than those given above can be agreed with the manufacturer, provided that the marking on the hose (see 14.1) states this and the requirements of Table 5 and all the other requirements are met.

NOTE 3 Other diameters than those given in this document can be agreed with the manufacturer.

NOTE 4 This document also provides guidance on the storage of hose assemblies (Clause 15).

NOTE 5 The attention of users is drawn to Annex F concerning the selection of lining material related to the chemical(s) to be conveyed by the hoses and/or hose assemblies.

This document does not apply to hose assemblies for:

— aircraft refuelling (EN ISO 1825);

— fuel dispensing (EN 1360);

— oil burners (EN ISO 6806);

— refrigerant circuits;

— fuel truck delivery (EN 1761);

— liquid petroleum gases (LPG) (EN 1762, EN 16436-2);

— fire-fighting (EN ISO 14557);

— oil suction and discharge (EN 1765);

— rotary drilling (EN ISO 6807);

— fuel dispensing with vapour recovery systems (EN 13483);

— anhydrous ammonia (EN ISO 5771).

This document does not apply to multilayer hose assemblies (EN 13765 and EN 13766).

 

1) 1 bar = 0,1 MPa.

Ämnesområden: Tryckkärl; Gasflaskor
Kommittébeteckning: SIS/TK 291 (Transportbehållare för farligt gods)
Källa: CEN
Svarsdatum: den 28 nov 2019
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This document specifies minimum requirements for materials, design, construction and workmanship procedures, and tests for welded LPG road tanker pressure vessels and their welded attachments manufactured from carbon, carbon/manganese and micro alloy steels.

There is no upper size limit as this is determined by the gross vehicle weight limitation.

This document does not cover pressure vessels for pressure vessel containers.

NOTE 1 In the context of this document, the term "road tanker" is understood to mean "fixed tanks" and "demountable tanks" as defined in ADR.

NOTE 2 The equipment for the pressure vessels and the inspection and testing after assembly is covered by EN 12252 and EN 14334, respectively.

NOTE 3 The design type of the road tanker is subject to approval by the competent authority, as required by ADR.

NOTE 4 This document is intended for LPG only; however, for other liquefied gases see EN 14025.

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This document specifies the general aspects of polyethylene (PE) piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this document.

In conjunction with Parts 2 to 5 of EN 1555, this document is applicable to PE pipes, fittings, and valves, their joints and to joints with components of other materials intended to be used under the following conditions:

a) a maximum operating pressure, MOP, up to and including 10 bar 1;

b) an operating temperature of 20 °C as reference temperature.

NOTE 1 For other operating temperatures, derating coefficients can be used, see prEN 1555-5:2019 [1].

EN 1555 (all parts) covers a. range of maximum operating pressures and gives requirements concerning colours.

NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

Ämnesområden: Plaströr; Gasinstallationer
Kommittébeteckning: SIS/TK 156 (Plast)
Källa: CEN
Svarsdatum: den 2 dec 2019
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This document specifies the characteristics of pipes made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this document.

In conjunction with Parts 1 and 3 to 5 of EN 1555, it is applicable to PE pipes, their joints and to joints with components of PE and other materials intended to be used under the following conditions:

a) a maximum operating pressure, MOP, up to and including 10 bar 1;

b) an operating temperature of 20 °C as reference temperature.

NOTE 1 For other operating temperatures, derating coefficients can be used, see prEN 1555-5:2019.

EN 1555 covers a range of maximum operating pressures and gives requirements concerning colours and additives.

It covers three types of pipe:

— PE pipes (outside diameter dn) including any identification stripes;

— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter dn) as specified in Annex A, where all layers have the same MRS rating;

A coextruded pipe made of a combination of PE 100 and PE 100-RC layers shall be regarded as PE 100 and marked accordingly.

— PE pipes (outside diameter dn) with a peelable, contiguous thermoplastics additional layer on the outside of the pipe (‘coated pipe’) as specified in Annex B.

NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes

Kommittébeteckning: SIS/TK 156 (Plast)
Källa: CEN
Svarsdatum: den 2 dec 2019
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This document specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this document.

In conjunction with Parts 1, 2, 4 and 5 of EN 1555, it is applicable to PE fittings, their joints and to joints with components of PE and other materials intended to be used under the following conditions:

a) a maximum operating pressure, MOP, up to and including 10 bar 1;

NOTE 1 For the purpose of this document and referring to ISO 17885, MOP can be considered to be nominal pressure.

b) an operating temperature of 20 °C as reference temperature.

NOTE 2 For other operating temperatures, derating coefficients can be used; see EN 1555-5.

EN 1555 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours and additives.

NOTE 3 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

This document is applicable for fittings of the following types:

c) electrofusion fittings;

d) spigot end fittings (for butt fusion using heated tools and electrofusion socket fusion);

e) mechanical compression fittings.

NOTE 4 The fittings can be, for example, in the form of couplers, equal and reduced tees, reducers, bends or caps.

Kommittébeteckning: SIS/TK 156 (Plast)
Källa: CEN
Svarsdatum: den 2 dec 2019
Se merSe mindre
 

This document specifies the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.

It is applicable to unidirectional and bi-directional valves with spigot end or electrofusion socket intended to be fused with PE pipes or fittings conforming to EN 1555-2 and EN 1555-3 respectively.

The PE spigot or electrofusion ends for valves made of material other than polyethylene is intended to be in accordance with EN 1555-3.

It also specifies the test parameters for the test methods referred to in this document.

In conjunction with Parts 1, 2, 3 and 5 of EN 1555, it is applicable to PE valves, their joints and to joints with components of PE and other materials intended to be used under the following conditions:

a) a maximum operating pressure, MOP, up to and including 10 bar 1 2;

For the purpose of this document and the references to EN 28233, MOP is considered to be nominal pressure.

b) an operating temperature of 20 °C as reference temperature;

NOTE 1 For other operating temperatures, derating coefficients can be used, see EN 1555-5.

c) an operating temperature between −20 °C and +40 °C.

EN 1555 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours and additives.

NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

This document covers valve bodies designed for connection with pipes with a nominal outside diameter dn ≤ 400 mm.