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23 ÜLDKASUTATAVAD HÜDRO- JA PNEUMOSÜSTEEMID JA NENDE OSAD
Uued standardid
ISO 18119:2018/Amd 2:2024
Gas cylinders — Seamless steel and seamless aluminium-alloy gas cylinders and tubes — Periodic inspection and testing — Amendment 2
Käsitlusala: Amendment to ISO 18119:2018
Alusdokumendid:
Asendatud standardid
Kavandid
prEN 1555-1
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General
Käsitlusala: This document specifies materials and the general aspects of polyethylene (PE) piping systems in the field of the supply of gaseous fuels.
NOTE  For the purpose of this document the term gaseous fuels include for example natural gas, methane, butane, propane, hydrogen, manufactured gas, biogas, and mixtures of these gases.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with EN 1555-2, EN 1555-3, EN 1555-4 and EN 1555-5, 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  at a design reference temperature of 20 °C;
b)  an operating temperature between -20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in EN 1555-5.
The EN 1555 series covers a range of MOPs and gives requirements concerning colours.
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 guidance or regulations and installation practices or codes.
Alusdokumendid: prEN 1555-1
prEN 1555-3
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings
Käsitlusala: 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.
NOTE 1  Additional information related to the installation of PE 100-RC systems is given in prEN 1555-1:2024, Annex A.
NOTE 2  Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in prEN 1555-1:2024, Annex B.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with EN 1555-1, EN 1555-2, EN 1555-4 and EN 1555-5, this document is applicable to PE pipes, fittings and valves, their joints, and 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 , at a design reference temperature of 20 °C;
b)  an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in EN 1555 5.
The EN 1555 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable for fittings of the following types:
a)  electrofusion socket fittings;
b)  electrofusion saddle fittings;
c)  spigot end fittings (for butt fusion using heated tools and electrofusion);
d)  mechanical fittings.
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 guidance or regulations and installation practices or codes.
NOTE 3  The fittings can be, for example, in the form of couplers, saddles, equal and reduced tees, reducers, elbows, bends or end caps.
Alusdokumendid: prEN 1555-3
prEN ISO 24490
Cryogenic vessels - Centrifugal pumps for cryogenic service (ISO/DIS 24490:2024)
Käsitlusala: ISO 24490:2016 specifies the minimum requirements for the design, manufacture and testing of centrifugal pumps for cryogenic service.
ISO 24490:2016 does not apply to reciprocating pumps.
This International Standard also gives guidance on the design of installations (see Annex A).
It does not specify requirements for operation or maintenance.
NOTE For general requirements for materials used in cryogenic fluid service, see ISO 21029-1, ISO 20421-1 and/or ISO 21009-1.
Alusdokumendid: ISO/DIS 24490; prEN ISO 24490
prEN ISO 21009-1
Cryogenic vessels - Static vacuum-insulated vessels - Part 1: Design, fabrication, inspection and tests (ISO/DIS 21009-1:2024)
Käsitlusala: This document specifies requirements for the design, fabrication, inspection and testing of static vacuum-insulated cryogenic vessels designed for a maximum allowable pressure of more than 0,5 bar.
This document applies to static vacuum-insulated cryogenic vessels for fluids and does not apply to vessels designed for toxic fluids.
This document also gives guidance for static vacuum-insulated cryogenic vessels designed for a maximum allowable pressure of not more than 0,5 bar.
Alusdokumendid: ISO/DIS 21009-1; prEN ISO 21009-1
prEN 1555-4
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves
Käsitlusala: 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 isolating unidirectional and bi-directional valves with spigot ends or electrofusion sockets intended to be fused with PE pipes or fittings conforming to prEN 1555-2:2024 and prEN 1555-3:2024 respectively.
Valves made from materials other than PE, designed for the supply of gaseous fuels conforming to the relevant standards can be used in PE piping systems according to prEN 1555 (all parts), provided that they have PE connections for butt fusion or electrofusion ends, including integrated material transition joints, conforming to prEN 1555-3:2024.
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 prEN 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  at a reference temperature of 20 °C for design purposes;
NOTE 1  For the purpose of this document and the references to ISO 8233, MOP is considered to be nominal pressure.
b) an operating temperature between −20 °C to 40 °C.
NOTE 2  For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in EN 1555-5.
EN 1555 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours.
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 covers valve bodies designed for connection with pipes with a nominal outside diameter
dn ≤ 400 mm.
Alusdokumendid: prEN 1555-4
prEN 1555-2
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes
Käsitlusala: This document specifies the characteristics of pipes made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.
NOTE 1  Additional information related to the installation of PE 100-RC systems is given in prEN 1555-1:2024, Annex A.
NOTE 2  Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in prEN 1555-1:2024, Annex B.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with EN 1555-1, EN 1555-3, EN 1555-4 and EN 1555-5, this document is applicable to PE pipes, fittings and valves, their joints, and 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  at a design reference temperature of 20 °C;
b)  an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C derating coefficients are defined in EN 1555-5.
The EN 1555 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable to 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 PE layers have the same MRS rating;
-  PE pipes (outside diameter dn) with a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe") as specified in Annex B.
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 guidance or regulations and installation practices or codes.
Alusdokumendid: prEN 1555-2