kSIST FprEN 14420-4:2022
(Main)Hose fittings with clamp units - Part 4: Flange connections
Hose fittings with clamp units - Part 4: Flange connections
This document specifies requirements for hose tails according to EN 14420-2, with flanges of mating dimensions PN 10/PN 16/PN 25/PN 40 (according to nominal size and pressure stage) according to EN 1092 1, on hose fittings with clamp units according to EN 14420-3.
Maximum working pressure is 25 bar ); maximum working temperature is 65 °C.
Additionally, flanges are also usable according to EN 14422.
Schlaucharmaturen mit Klemmfassungen - Teil 4: Flanschanschlüsse
Dieses Dokument legt Anforderungen für Schlauchstutzen nach EN 14420 2 mit Flanschen mit Anschlussmaßen PN 10/PN 16/PN 25/PN 40 (je nach Nennweite und Druckstufe) nach EN 1092 1, für Schlaucharmaturen mit Klemmfassungen nach EN 14420 3 fest.
Der höchstzulässige Arbeitsdruck beträgt 25 bar ), die höchstzulässige Arbeitstemperatur beträgt 65 °C.
Zusätzlich sind auch Flansche nach EN 14422 verwendbar.
Raccords pour flexibles avec demi-coquille - Partie 4: Raccordements à bride
Le présent document spécifie les exigences applicables aux douilles à brides conformes à l’EN 14420-2 de dimensions d'assemblage PN 10/PN 16/PN 25/PN 40 (selon la dimension nominale et l’étage de pression) conformes à l'EN 1092-1, pour raccords de flexibles avec demi-coquille conformes à l'EN 14420 3.
La pression de service maximale est de 25 bar ) et la température de service maximale est de 65 °C.
En outre, les brides sont également utilisables conformément à l’EN 14422.
Cevni fitingi z objemkami - 4. del: Prirobnični spoji
General Information
RELATIONS
Standards Content (sample)
SLOVENSKI STANDARD
oSIST prEN 14420-4:2021
01-september-2021
Cevni fitingi z objemkami - 4. del: Prirobnični spoji
Hose fittings with clamp units - Part 4: Flange connections
Schlaucharmaturen mit Klemmfassungen - Teil 4: Flanschanschlüsse
Raccords pour flexibles avec demi-coquille - Partie 4: Raccordements à bride
Ta slovenski standard je istoveten z: prEN 14420-4
ICS:
23.040.60 Prirobnice, oglavki in spojni Flanges, couplings and joints
elementi
oSIST prEN 14420-4:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 14420-4:2021
DRAFT
EUROPEAN STANDARD
prEN 14420-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2021
ICS 23.040.70 Will supersede EN 14420-4:2013
English Version
Hose fittings with clamp units - Part 4: Flange connections
Raccords pour flexibles avec demi-coquille - Partie 4: Schlaucharmaturen mit Klemmfassungen - Teil 4:
Raccordements à bride FlanschanschlüsseThis draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 218.If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14420-4:2021 E
worldwide for CEN national Members.---------------------- Page: 3 ----------------------
oSIST prEN 14420-4:2021
prEN 14420-4:2021 (E)
Contents Page
European foreword ....................................................................................................................................................... 3
1 Scope .................................................................................................................................................................... 4
2 Normative references .................................................................................................................................... 4
3 Terms and definitions ................................................................................................................................... 5
4 Hose fittings with flanges ............................................................................................................................. 6
5 Dimensions, designations ............................................................................................................................ 7
5.1 General ................................................................................................................................................................ 7
5.2 Hose tail with weld neck collar and loose flange ................................................................................. 7
5.3 Hose tail with fixed flange ............................................................................................................................ 8
5.4 Hose tail .............................................................................................................................................................. 9
5.5 Weld joints ...................................................................................................................................................... 10
6 Surface finish ................................................................................................................................................. 11
7 Materials .......................................................................................................................................................... 11
7.1 Hose tail ........................................................................................................................................................... 11
7.2 Weld neck collar and fixed flanges ........................................................................................................ 12
7.3 Loose flanges .................................................................................................................................................. 12
8 Marking ............................................................................................................................................................ 13
9 Type testing and quality control ............................................................................................................. 13
Bibliography ................................................................................................................................................................. 14
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prEN 14420-4:2021 (E)
European foreword
This document (prEN 14420-4:2021) has been prepared by Technical Committee CEN/TC 218 “Rubber
and plastics hoses and hose assemblies”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.This document will supersede EN 14420-4:2013.
In comparison to EN 14420-4:2013, the following changes have been made:
— In Clause 2, the normative references have been updated;
— In Figure 1 and Figure 2 the indication of the length L has been deleted;
— In Figure 3 and Figure 4, the indication of the length l respectively l has been deleted;
1 2— In Clause 5, the Table 3 and Table 4 have been deleted;
— In Clause 5, Table 5 renamed to Table 2 and for the nominal size 200 DN, the value s has been
updated to 6,3 mm.EN 14420, Hose fittings with clamp units consists of the following parts:
— Part 1: Requirements, types of fixing and connection, designation and testing
— Part 2: Hose side parts of hose tail
— Part 3: Clamp units, bolted or pinned
— Part 4: Flange connections
— Part 5: Threaded connections
— Part 6: TW tank truck couplings
— Part 7: Cam locking couplings
— Part 8: Symmetrical half coupling (Guillemin system)
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oSIST prEN 14420-4:2021
prEN 14420-4:2021 (E)
1 Scope
This document specifies requirements for hose tails according to EN 14420-2, with flanges of mating
dimensions PN 10/PN 16/PN 25/PN 40 (according to nominal size and pressure stage) according to
EN 1092-1, on hose fittings with clamp units according to EN 14420-3.1);
Maximum working pressure is 25 bar maximum working temperature is 65 °C.
Additionally, flanges are also usable according to EN 14422.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content con-
stitutes requirements of this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 573-3, Aluminium and aluminium alloys — Chemical composition and form of wrought products —
Part 3: Chemical composition and form of productsEN 1092-1, Flanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN
designated — Part 1: Steel flangesEN 1706, Aluminium and aluminium alloys — Castings — Chemical composition and mechanical proper-
tiesEN 10025-2, Hot rolled products of structural steels — Part 2: Technical delivery conditions for non-alloy
structural steelsEN 10088-1, Stainless steels — Part 1: List of stainless steels
EN 10216-1, Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 1: Non-
alloy steel tubes with specified room temperature propertiesEN 10217-1, Welded steel tubes for pressure purposes — Technical delivery conditions — Part 1: Electric
welded and submerged arc welded non-alloy steel tubes with specified room temperature properties
EN 10283, Corrosion resistant steel castingsEN 12163, Copper and copper alloys — Rod for general purposes
EN 14420-1:2013, Hose fittings with clamp units — Part 1: Requirements, types of fixing and connection,
designation and testingEN 14420-2, Hose fittings with clamp units — Part 2: Hose side parts of hose tail
EN 14420-3, Hose fittings with clamp units — Part 3: Clamp units, bolted or pinned
EN 22768-1, General tolerances — Part 1: Tolerances for linear and angular dimensions without
individual tolerance indications (ISO 2768-1)1) 1 bar = 0,1 MPa.
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oSIST prEN 14420-4:2021
prEN 14420-4:2021 (E)
EN 22768-2 , General tolerances — Part 2: Geometrical tolerances for features without individual
tolerance indications (ISO 2768-2)EN ISO 683-1, Heat-treatable steels, alloy steels and free-cutting steels — Part 1: Non-alloy steels for
quenching and tempering (ISO 683-1)EN ISO 683-4, Heat-treatable steels, alloy steels and free-cutting steels — Part 4: Free-cutting steels
(ISO 683-4)EN ISO 4042, Fasteners — Electroplated coating systems (ISO 4042)
EN ISO 8330:2014, Rubber and plastics hoses and hose assemblies — Vocabulary (ISO 8330:2014)
EN ISO 11666, Non-destructive testing of welds — Ultrasonic testing — Acceptance levels (ISO 11666)
EN ISO 15614-1, Specification and qualification of welding procedures for metallic materials — Welding
procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
(ISO 15614-1)EN ISO 15614-2, Specification and qualification of welding procedures for metallic materials — Welding
procedure test - Part 2: Arc welding of aluminium and its alloys (ISO 15614-2)EN ISO 17636-1, Non-destructive testing of welds — Radiographic testing — Part 1: X- and gamma-ray
techniques with film (ISO 17636-1)EN ISO 17636-2, Non-destructive testing of welds — Radiographic testing — Part 2: X- and gamma-ray
techniques with digital detectors (ISO 17636-2)EN ISO 17638, Non-destructive testing of welds — Magnetic particle testing (ISO 17638)
EN ISO 17640, Non-destructive testing of welds — Ultrasonic...
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