UNI EN 1775 : 2007
Current
The latest, up-to-date edition.
GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
18-10-2007
INDICE
PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
3.1 Definizioni relative alla pressione
3.2 Definizioni relative agli impianti a gas
3.3 Definizioni relative ai dispositivi di
intercettazione
3.4 Definizioni relative ai sistemi di giunzione
3.5 Definizioni relative ai componenti
3.6 Definizioni relative alle prove
3.7 Definizioni relative alla messa in servizio,
funzionamento e manutenzione
3.8 Definizioni relative ai processi di assemblaggio
3.8.1 Definizioni per la saldatura
3.8.2 Definizioni per la saldatura e la brasatura
4 PROGETTAZIONE
4.1 Generalità
4.2 Selezione dei componenti
4.3 Luogo di installazione
4.4 Protezione antincendio
4.5 Dimensionamento
4.6 Dispositivi di sicurezza
5 COSTRUZIONE
5.1 Installazione
5.2 Metodi di collegamento delle tubazioni
5.2.1 Giunti filettati
5.2.2 Giunti saldati, brasati e per fusione
5.2.3 Giunti meccanici
5.2.4 Giunti a pressare
5.2.5 Collegamento di tubazioni semirigide
corrugate di acciaio inossidabile
5.3 Attraversamento di muri e pavimenti
5.4 Corrosione
5.5 Dispositivi di intercettazione
5.6 Regolatori di pressione e contatori del gas
5.7 Tubazioni flessibili per collegamento di
apparecchi
6 PROVE
6.1 Raccomandazioni generali
6.2 Raccomandazioni relative alla sicurezza di
persone e cose durante le prove
6.3 Fluidi di prova
6.3.1 Fluidi utilizzati
6.3.2 Utilizzo di gas inerte
6.3.3 Utilizzo del gas distribuito
6.4 Condizioni di prova
6.5 Prova di resistenza meccanica
6.6 Prova di tenuta
6.7 Prove supplementari
7 MESSA IN SERVIZIO
7.1 Generalità
7.2 Messa in gas
8 ESERCIZIO E MANUTENZIONE
8.1 Generalità
8.2 Manutenzione
8.3 Situazioni anomale
8.4 Ricerca di perdite
8.5 Lavori durante l'esercizio
8.6 Messa fuori servizio
APPENDICE A (informativa) - RESISTENZA ALLE ALTE
TEMPERATURE
A.1 Generalità
A.2 Procedimento A
A.2.1 Criteri di prova
A.2.2 Metodo di prova
A.3 Procedimento B
A.3.1 Criteri di prova
A.3.2 Metodo di prova
APPENDICE B (informativa) - LINEE GUIDA GENERALI
PER LA REALIZZAZIONE DI GIUNTI
B.1 Generalità
B.2 Operatori
B.3 Controllo qualità
B.4 Documentazione
APPENDICE C (informativa) - LINEE GUIDA PER LA
REALIZZAZIONE DI GIUNTI SALDATI, BRASATI
E BRASATI FORTE E DI GIUNTI OTTENUTI
MEDIANTE SALDATURA PER FUSIONE DEL
POLIETILENE
C.1 Saldatura dell'acciaio
C.1.1 Materiali
C.1.2 Approvazione del procedimento
di saldatura
C.1.3 Tubazioni con una pressione di
esercizio massima (MOP) minore o
uguale a 0,1 bar e uno spessore
delle pareti minore di 4 mm
C.1.4 Tubazioni con una pressione di
esercizio massima (MOP) maggiore
di 0,1 bar o uno spessore delle
pareti di 4 mm o maggiore
C.2 Brasatura e brasatura forte del rame e
sue leghe
C.2.1 Materiali
C.2.2 Procedimento di brasatura e brasatura
forte
C.2.3 Tubazioni con una pressione di
esercizio massima (MOP) minore
o uguale a 0,1 bar
C.2.4 Tubazioni con una pressione di
esercizio massima (MOP) maggiore
di 0,1 bar
C.3 Giunzione mediante fusione del polietilene
C.3.1 Materiali
C.3.2 Procedimento di giunzione mediante
fusione del polietilene
C.3.3 Qualifica del personale
C.3.4 Controllo qualità
APPENDICE D (informativa) - LINEE GUIDA PER LA
REALIZZAZIONE DI GIUNTI A PRESSARE
D.1 Procedimento di giunzione con raccordi
a pressare sui tubi di rame
D.1.1 Generalità
D.1.2 Processo di installazione
D.2 Procedimento di giunzione con raccordi
a pressare su tubi multistrato e tubi PEX
D.2.1 Generalità
D.2.2 Processo di installazione
APPENDICE E (informativa) - LINEE GUIDA PER LA
REALIZZAZIONE DI SISTEMI DI TUBAZIONI
CORRUGATE SEMIRIGIDE DI ACCIAIO INOSSIDABILE
E.1 Generalità
E.2 Componenti del sistema
E.3 Procedimento di collegamento di sistemi
di tubazioni corrugate semirigide di
acciaio inossidabile
E.3.1 Generalità
E.3.2 Formazione del personale
E.3.3 Controllo qualità
BIBLIOGRAFIA
Describes general recommendations for the design, construction, testing, commissioning, operation and maintenance of installation pipework; pipework between the delivery point of the gas and the inlet connection to the gas appliance.
Committee |
CT 105
|
DocumentType |
Standard
|
PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
Status |
Current
|
Standards | Relationship |
BS EN 1775:2007 | Identical |
UNE-EN 1775:2008 | Identical |
NBN EN 1775 : 2007 | Identical |
NEN EN 1775 : 2007 | Identical |
EN 1775:2007 | Identical |
NS EN 1775 : 2ED 2007 | Identical |
NF EN 1775 : 2007 | Identical |
I.S. EN 1775:2007 | Identical |
SN EN 1775 : 2007 | Identical |
DIN EN 1775:2007-10 | Identical |
UNI/TR 11481 : 2013 | Usi del polietilene nelle linee dirette e nella distribuzione del gas combustibile - Tecnologie riconosciute e applicabili - Linee guida di orientamento per gli operatori |
UNI 11522 : 2014 | COMBUSTIBLE GAS AND CARBON MONOXIDE DETECTORS FOR DOMESTIC AND SIMILAR PREMISES - INSTALLATION AND MAINTENANCE |
UNI/TS 11343 : 2009 | GAS PLANTS FOR DOMESTIC USE - GAS PLANTS FOR DOMESTIC USES SUPPLIED BY DISTRIBUTION NETWORKS, BY LPG CYLINDERS AND LPG STORAGE TANKS, PERFORMED WITH MULTILAYER PIPES - DESIGN, INSTALLATION AND MAINTENANCE |
UNI 11353 : 2010 | STAINLESS STEEL CORRUGATED FLEXIBLE SAFETY HOSE ASSEMBLIES FOR THE CONNECTION OF GAS APPLIANCES FOR DOMESTIC AND SIMILAR USES - SAFETY REQUIREMENTS |
UNI 11528 : 2014 | GAS PLANTS OVER 35 KW - DESIGN, INSTALLATION AND COMMISSIONING |
UNI 10619-2 : 2014 | GAS PRESSURE CONTROL SYSTEMS AND/OR GAS MEASUREMENT INSTALLATIONS FOR INLET MAX PRESSURE UP TO 12 BAR FOR INDUSTRIAL AND DOMESTIC USE - PART 2: DESIGN, CONSTRUCTION AND TESTING - EQUIPMENT FOR GAS CONTROL |
UNI 11137 : 2012 | GAS PLANTS FOR DOMESTIC AND SIMILAR USES - GUIDELINES FOR TEST AND FOR THE RESTORATION OF THE TIGHTNESS OF INNER PLANTS - GENERAL PRESCRIPTIONS AND REQUIREMENTS FOR THE SECOND AND THIRD FAMILY GASES |
UNI 7131 : 2014 | LPG PLANTS FOR DOMESTIC USE NOT FED BY A DISTRIBUTION NETWORK - DESIGN, INSTALLATION AND COMMISSIONING |
UNI 11179 : 2006 | FITTINGS WITH PRESS-ENDS FOR METALLIC PIPING |
UNI 11554 : 2014 | NON-REGULATED PROFESSIONS - GAS OPERATORS WORKING ON GAS PLANTS SUPPLIED BY DISTRIBUTION NETWORK - KNOWLEDGE, SKILL AND COMPETENCE REQUIREMENTS |
UNI 10619-1 : 2014 | GAS PRESSURE CONTROL SYSTEMS AND/OR GAS MEASUREMENT INSTALLATIONS FOR INLET MAX PRESSURE UP TO 12 BAR FOR INDUSTRIAL AND DOMESTIC USE - PART 1: DESIGN, CONSTRUCTION AND TESTING - GENERAL |
UNI 11137-1 : 2004 | GAS PLANTS FOR DOMESTIC AND SIMILAR USES - GUIDELINES FOR TEST AND FOR THE RESTORATION OF THE TIGHTNESS OF INNER PLANTS IN SERVICE - PART 1: GENERAL PROVISIONS AND REQUIREMENTS FOR GASES OF THE 1 AND 2 FAMILY |
EN 1254-3:1998 | Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes |
EN 444:1994 | Non-destructive testing - General principles for radiographic examination of metallic materials by X- and gamma-rays |
EN ISO 5817:2014 | Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2014) |
EN 1555-3:2010+A1:2012 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings |
EN 1045:1997 | Brazing - Fluxes for brazing - Classification and technical delivery conditions |
EN 1515-1:1999 | Flanges and their joints - Bolting - Part 1: Selection of bolting |
EN 12007-3:2015 | Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific functional requirements for steel |
EN 440 : 1994 | WELDING CONSUMABLES - WIRE ELECTRODES AND DEPOSITS FOR GAS SHIELDED METAL ARC WELDING OF NON ALLOY AND FINE GRAIN STEELS - CLASSIFICATION |
EN 10226-2:2005 | Pipe threads where pressure tight joints are made on the threads - Part 2: Taper external threads and taper internal threads - Dimensions, tolerances and designation |
EN ISO 15613:2004 | Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004) |
EN 1254-5:1998 | Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes |
EN 1057:2006+A1:2010 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications |
EN ISO 15612:2004 | Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2004) |
ISO 15610:2003 | Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables |
ISO 9454-2:1998 | Soft soldering fluxes Classification and requirements Part 2: Performance requirements |
EN 1254-1:1998 | Copper and copper alloys - Plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes |
EN 12007-1:2012 | Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional requirements |
EN 1254-2:1998 | Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes |
EN 751-2:1996 | Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 2: Non-hardening jointing compounds |
ISO 12176-1:2017 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 1: Butt fusion |
EN ISO 9454-2:2000 | Soft soldering fluxes - Classification and requirements - Part 2: Performance requirements (ISO 9454-2:1998) |
EN 473:2008 | Non-destructive testing - Qualification and certification of NDT personnel - General principles |
EN 15266:2007 | Stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar |
PREN 15001-1 : DRAFT 2017 | GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING |
ISO 12176-2:2008 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 2: Electrofusion |
EN 1044 : 1999 | BRAZING - FILLER METALS |
ISO 15612:2004 | Specification and qualification of welding procedures for metallic materials Qualification by adoption of a standard welding procedure |
ISO 5817:2014 | Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections |
EN ISO 15611:2003 | Specification and qualification of welding procedures for metallic materials - Qualification based on previous welding experience (ISO 15611:2003) |
EN ISO 228-1:2003 | Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000) |
ISO 15614-1:2017 | 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 15609-1:2004 | Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: Arc welding |
ISO 15611:2003 | Specification and qualification of welding procedures for metallic materials — Qualification based on previous welding experience |
EN 437:2003+A1:2009 | Test gases - Test pressures - Appliance categories |
ISO/IEC 17020:2012 | Conformity assessment — Requirements for the operation of various types of bodies performing inspection |
EN 1555-4:2011 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves |
EN 10241:2000 | Steel threaded pipe fittings |
EN 751-1:1996 | Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds |
EN ISO 15609-1:2004 | Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1:2004) |
EN 1555-5:2010 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 5: Fitness for purpose of the system |
EN 12007-2:2012 | Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 2: Specific functional requirements for polyethylene (MOP up to and including 10 bar) |
EN 499 : 1994 | WELDING CONSUMABLES - COVERED ELECTRODES FOR MANUAL METAL ARC OF NON ALLOY AND FINE GRAIN STEELS - CLASSIFICATION |
ISO 9453:2014 | Soft solder alloys Chemical compositions and forms |
EN 1555-2:2010 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes |
EN 13067:2012 | Plastics welding personnel - Qualification testing of welders - Thermoplastics welded assemblies |
ISO 15613:2004 | Specification and qualification of welding procedures for metallic materials Qualification based on pre-production welding test |
ISO 834-1:1999 | Fire-resistance tests Elements of building construction Part 1: General requirements |
EN 14291:2004 | Foam producing solutions for leak detection on gas installations |
EN ISO 15610:2003 | Specification and qualification of welding procedures for metallic materials - Qualification based on tested welding consumables (ISO 15610:2003) |
ISO 15607:2003 | Specification and qualification of welding procedures for metallic materials General rules |
EN 1762:2017 | Rubber hoses and hose assemblies for liquefied petroleum gas, LPG (liquid or gaseous phase), and natural gas up to 25 bar (2,5 MPa) - Specification |
EN 331:2015 | Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings |
EN 14717:2005 | Welding and allied processes - Environmental check list |
EN 10208-1:2009 | Steel pipes for pipelines for combustible fluids - Technical delivery condi-tions - Part 1: Pipes of requirement class A |
EN 29453 : 1993 | SOFT SOLDER ALLOYS - CHEMICAL COMPOSITIONS AND FORMS |
CR 13737:2001 | Implementation Guide for functional standards prepared by CEN/TC 234 "Gas supply" |
EN 970:1997 | Non-destructive examination of fusion welds - Visual examination |
EN 10226-1:2004 | Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation |
ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
EN 14800:2007 | Corrugated safety metal hose assemblies for the connection of domestic appliances using gaseous fuels |
EN ISO 15607:2003 | Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003) |
EN ISO/IEC 17020:2012 | Conformity assessment - Requirements for the operation of various types of bodies performing inspection (ISO/IEC 17020:2012) |
EN 10255:2004+A1:2007 | Non-Alloy steel tubes suitable for welding and threading - Technical delivery conditions |
EN 1776:2015 | Gas infrastructure - Gas measuring systems - Functional requirements |
EN 287-1:2011 | Qualification test of welders - Fusion welding - Part 1: Steels |
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