Fluidsystem och delar: allmänt

Ämnesområden: Gasflaskor
Kommittébeteckning: SIS/TK 296 (Gasflaskor)
Källa: CEN
Svarsdatum: den 3 feb 2021
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This document specifies the procedures to be adopted when checking transportable refillable LPG cylinders before, during and after filling.
This document applies to transportable refillable LPG cylinders of water capacity not exceeding 150 l and deemed to be fitted with valves designed according to EN ISO 14245 and EN ISO 15995.
This document does not cover the requirements for filling LPG cylinders that are designed and equipped for filling by the user.
This document does not cover the requirements for filling LPG containers on vehicles.
This document is applicable to the following:
— welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 and EN 12807 or an equivalent standard);
— welded steel LPG cylinders without specified minimum wall thickness (see EN 14140 or an equivalent standard);
— welded aluminium LPG cylinders (see EN 13110 or an equivalent standard);
— composite LPG cylinders (see EN 14427 or an equivalent standard); and
— over-moulded cylinders (OMC).
Specific requirements for the different types of cylinders are detailed in Annex A, Annex B, Annex C, Annex D and Annex G.
This document is intended to be applied to cylinders complying with RID/ADR (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.

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This document provides requirements and test methods for flexible, factory made, buried district heating pipe systems with metallic service pipes and bonding between the layers of the pipe assemblies and thermal insulation materials of polyurethane or polyisocyanurate foam, the casing being made of polyethylene.
It shall be used in conjunction with part 1.
This document is valid for maximum media temperatures up to 120 °C and, occasionally peak temperatures up to 140 °C for maximum 300 h/a, and a design pressure up to 2,5 MPa for a design lifetime of at least 30 years.
This document covers surveillance systems.
In conjunction with the other parts of EN 15632, this document is applicable to pipes, fittings, their joints and to joints with components made of non-plastics materials intended to be used for district heating installations.
NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this document.

Kommittébeteckning: SIS/TK 300 (Förtillverkade fjärrvärmerör)
Källa: CEN
Svarsdatum: den 4 feb 2021
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This document provides requirements and test methods for flexible, factory made, buried district heating pipes systems with plastic service pipes and no bonding between the layers of the pipe assemblies.
It shall be used in conjunction with part 1.
This document is valid for maximum operating temperature of 95 °C and maximum operating design pressure up to 1,0 MPa for a design lifetime of at least 30 years.
This document does not cover surveillance systems.
In conjunction with the other parts of EN 15632, this document is applicable to pipes, fittings, their joints and to joints with components made of non-plastics materials intended to be used for district heating installations.
NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this document.

Kommittébeteckning: SIS/TK 300 (Förtillverkade fjärrvärmerör)
Källa: CEN
Svarsdatum: den 4 feb 2021
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This document provides requirements and test methods for flexible, factory made, buried heating pipe systems with plastics service pipes and bonding between the layers of the pipe assemblies.
It shall be used in conjunction with part 1.
This document is valid for maximum operating temperatures of 95 °C and maximum operating design pressures up to 1,0 MPa for a design service life of at least 30 years.
This document does not cover surveillance systems.
In conjunction with the other parts of EN 15632, this document is applicable to pipes, fittings, their joints and to joints with components made of non-plastics materials intended to be used for district heating installations.
NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this document.

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This document provides classification, general requirements and test methods for flexible, factory made, buried district heating pipe systems.
This document is intended to be used in conjunction with part 2, 3 or 4, as applicable.
Depending on the pipe assembly (see Table 4), this document is valid for maximum media temperature of 95 °C (part 2 and 3) and maximum media temperature of 120 °C (for part 4) and design pressures of 0,6 MPa to 2,5 MPa.
The pipe systems are designed for a service life of at least 30 years. For pipe systems with plastic service pipes, the respective temperature profiles are defined in EN 15632-2 and EN 15632-3.
NOTE For the transport of other liquids, for example potable water, additional requirements can be applicable.

Ämnesområden: Ventiler: allmänt
Kommittébeteckning: SIS/TK 118 (Rörledningsprodukter och ventiler)
Källa: CEN
Svarsdatum: den 11 feb 2021
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This document provides basic requirements for electric valve actuators, used for on-off and control valves. It includes guidelines for classification, design, enclosure and corrosion protection, and methods for conformity assessment.
Combinations of electric actuators and gearboxes when supplied by the actuator manufacturer are within the scope of this document.
This document does not cover solenoid actuators, electro-hydraulic actuators and electric actuators which are integral to the valves.
Other requirements or conditions of use different from those indicated in this document are agreed between the purchaser and the manufacturer/supplier, prior to order.

Kommittébeteckning: SIS/TK 106 (Hydraulik och pneumatik)
Källa: ISO
Svarsdatum: den 12 feb 2021
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This part of ISO 15086 describes the procedure for the determination of the impedance characteristics of hydraulic components, by means of measurements from pressure transducers mounted in a pipe.
This part of ISO 15086 is applicable to passive components, irrespective of size, operating under steady-state conditions, over a frequency range from 10 Hz to 3 kHz.

Kommittébeteckning: SIS/TK 106 (Hydraulik och pneumatik)
Källa: ISO
Svarsdatum: den 22 feb 2021
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This part of ISO 12151 specifies the general and dimensional requirements for the design and performance of flange hose fittings, made of carbon steel, for nominal hose inside diameters of 12,5 mm to 76 mm inclusive, in accordance with ISO 4397, for use with ports and clamps in accordance with ISO 6162-1 and ISO 6162-2.
Note 1 Materials other than carbon steel can be supplied as agreed between the manufacturer and user.
Note 2 For hose fittings used in hydraulic and pneumatic braking systems on road vehicles (as defined in the scope of ISO/TC 22/SC 2, Road vehicles), see ISO 4038, ISO 4039-1 and ISO 4039-2.
These hose fittings (see Figure 1 for a typical example) are for use in hydraulic fluid power systems with hose that meets the requirements of the respective hose standards and in general applications with suitable hoses.

Key

1  hose fitting
2 port, flanged head and clamps per ISO 6162-1 or ISO 6162-2
3 O-ring seal
Figure 1 — Typical example of hose fitting connection with ISO 6162-1 or ISO 6162-2 flange end

Ämnesområden: Pumpar och motorer
Kommittébeteckning: SIS/TK 106 (Hydraulik och pneumatik)
Källa: ISO
Svarsdatum: den 1 apr 2021
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This document specifies methods for determining the performance and the efficiency of water-hydraulic positive displacement pumps having continuously rotating shafts. This standard provides test equipment, test procedure under steady-state conditions and the presentation of test results.