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PRESSURE EQUIPMENT DIRECTIVE
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PRESSURE EQUIPMENT DIRECTIVE
La Nuova Direttiva PED: quale impatto sullastrumentazione?
AIS - Sezione di Roma
PRESSURE EQUIPMENT DIRECTIVE
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S U M M A R Y
− New approach Directives− Pressure Equipment Directive (PED)
−Scope of Pressure Equipment Directive−Notified Bodies−Fluids−Equipment Classification−Modules−Materials−Permantent Joints
− Instrument & Automation Involvement(Engineers and Manufacturers)
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PRESSURE EQUIPMENT DIRECTIVE
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Following Principles !!!! Essential Safety Requirements (E.S.R.)
Free Movement
NEW APPROACH DIRECTIVES
Harmonized Standards
Are presumed to be in conformity with E.S.R
Standards are not mandatory
Manufacturer is free to choose any technical solution
Manufacturers may choose between different Conformity Assessment Procedures MODULES
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SCOPEE.S.R
FREEMOVEMENT
ADMINISTRATIVECOOPERATION
PRESUMPTIONOF CONFORMITY
SURVEILLANCEOF MARKET
CONFORMITYASSESSMENT
NOTIFIEDBODIES
TRANSPOSITION
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3
6
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NEW APPROACH DIRECTIVES
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SCOPE
• Vessels manufactured in batch series intended to contain air or nitrogen
• Welded steel vessels (non alloy carbon and aluminium or aluminium alloy)
• Pressure from 0.5 bar to 30 bar
• Product Pressure* Volume between 50 up to 10000 barl
• Simple shape
• In force since 1st July 1992
1st Pressure VesselNew Approach Directive
87/404/EEC - Simple Pressure Vessels
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The Products
- Boilers
- Vessels
- Piping
- Accessories
- Safety Devices
MWP(=PS) > 0.5 Barg
Whatever the capacity !!!
Pressure Equipment Directive 97/23/EC
Mandatoryfrom
May 29th 2002
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Example of Pressure Equipment Submitted to PED
Lighters
Gauges
Safety Valves
Fire Extinguishers
Globe ValvesControl Valves
Bulk Containers
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GASVESSELS
PIPING
STEAMEQUIPMENT
Example of Pressure Equipment Submitted to PED
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Items Excluded From PED
Steam Waterways,Penstocks,Nuclear Use, Military Use,
Vessels designedfor the transport and distribution ofdrinks having :- PS*V < 500 Bar.L- PS < 7 Bar
Equipmentcoveredby aerosoldispensersDirective
Bottles and cansfor drinks
Tyres,Ballsfor playground
Pressure Equipment Directive 97/23/EEC
Pressure Equipmentcovered by otherdirectives
- 84/525/EEC,- 84/526/EEC,- 84/527/EEC
- 87/404/EEC
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Items Excluded From PED
Turbines
Steamengines
Internalcombustionengines
Exhaust and inletsilencers
Vessels designed tocontain liquids witha gas pressure abovethe liquid of not morethan 0.5 bar
Pressure Equipment Directive 97/23/EEC
Enclosures for high-voltage elect.Equip. (control gear, transformers, rotating machines)
Pressurized pipes for the containment oftransmission systems (elect. Tele.)
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Why it ’s a BIG CHANGE ?
National AuthoritiesNOTIFIED BODIES
Pressure Equipment Directive 97/23/EC
•Technical Competence•Insurance•Third Party•Link with Nat/Eup Org.•Wide Representation•Professional Integrity
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NOTIFICATIONS
European approval for materials N.B. 1
Qualification of Operating Procedures N.B./R.T.P.
Approval of Personnel for joining parts. N.B./R.T.P.
Qualification of Personnel for N.D.T. N.B./R.T.P.
Application of Modules N.B. 2/U.I.
N.B. : Notified Body R.T.P. : Recognized Third Party organisationU.I. : User Inspectorate
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USER INSPECTORATES
u Second Party inspection bodyu Property of Groups (Oil Companies, etc)u Applicable modules are A1, C1, F and Gu Designation by Member Statesu No CE markingu Pressure Equipment used only in factories
operated by the same Groupu No free movement of equipment
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ESSENTIAL SAFETY REQUIREMENTS
SPECIFICREQUIREMENTS
GENERALREQUIREMENTS
Design (parameters)
Manufacturing
Materials
Fired or otherwise heated pressureequipment with a risk of overheating
Piping
Specific quantitative requirements
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PED ClassificationDIRECTIVE "67/548/EEC"
FLUIDS
Pressure Equipment Directive 97/23/EC
GROUP 1
Dangerous Fluids
- Explosive- Oxidizing- Extremely flammable- Highly flammable- Flammable- Very toxic- Toxic
- Harmful- Corrosive- Irritant- Sensitizing- Carcinogenic- Mutagenic- Toxic for reproduction- Dangerous for environment
GROUP 2
Fluids not referredin Group 1
EOF +FR 10T+T
XnCXiR 42 and/or R 43Carc. Cat.Mut. Cat.Repr. Cat.N and/or R 52,R 53, R 59
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CLASSIFICATION OF EQUIPMENTSBased on
- Type of Equipment ------> Vessel, Piping, Accessories- Nature of fluid ------> Gas, Liquid,Steam- Fluids ’ Danger ------> Dangerous and Other- Maximum working pressure Ps- Volume or nominal dimension V or DN
9 TABLES =4 Hazard Categories
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Products Vessels Piping Fluids
Gases, liquefied gases, gases dissolved underpressure, vapours and also those liquidswhose vapour pressure at the maximumallowable temperature is greater than 0,5 barabove normal atmospheric pressure, (1013mbar)
Liquids having a vapour pressure at themaximum allowable temperature of not morethan 0,5 bar above normal atmosphericpressure (1013 mbar)
The demarcation lines in the conformity assessment tables indicate the upper limit
for each category
Fired or otherwise heated pressureequipment with the risk of overheatingintended for the generation of steam orsuper-heated water at temperatureshigher than 110°C having a volumgreater than 2 l, and all pressure cookers
* All portable extinguishers and bottles for breathing apparatus are in the scope of Table 2
Group 1
Group 1
Group 2
Group 2
TABLE 1
TABLE 2 *
TABLE 3
TABLE 4
TABLE 6
TABLE 7
TABLE 8
TABLE 9
TABLE 5
TECHNICAL REQUIREMENTS
Pressure Equipment Directive 97/23/EC
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Table 1Vessels referred to in Article 3, Section 1.1 (a), first indent (Vessels, Gas, Group 1)
0,1
1
10
100
1000
10000
0,1 1 10 100 1000 10000 100000V (l)
PS (bar)
PS =0,5 0,5
V =
1 l
PS = 1000
PS = 200
Article 3, paragraph 3
PS*V = 1000
PS*V = 200
PS*V = 50
PS*V = 25
I II III IV
Exceptionally, vessels intended to contain an unstable gas andfalling within categories I or II on the basis of table 1 must be classified in category III.
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Table 6Piping referred to in Article 3, Section 1,3 (a), first indent
0,1
1
10
100
1000
10000
0,1 1 10 100 1000 10000DN
PS (bar)
PS = 0,5
DN
= 2
5
Art
icle
3, p
arag
rah
3
PS*DN = 3500
I
II
DN
= 1
00
PS*DN = 1000
III
DN
= 1
00
DN
= 3
50Exceptionally, piping intended for unstable gases and falling within categories I or II on thebasis of Table 6 must be classified in category III.
Pressure Equipment Directive 97/23/EC
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Table 7Piping referred to in Article 3, Section 1.3 (a), second indent
0,1
1
10
100
1000
10000
0,1 1 10 100 1000 10000 100000DN
PS (bar)
PS = 0,5
Article 3, paragraph 3
PS*DN = 3500
I II
DN
= 1
00
PS*DN = 1000
III
DN
= 2
50
PS*DN = 5000
Pressure Equipment Directive 97/23/EC
Exceptionally, all piping containing fluids at a temperature greater than 350°C and fallingwithin category II on the basis of Table 7 must be classified in category III
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Table 8Piping referred to in Article 3, Section 1.3 (b), first indent
0,1
1
10
100
1000
10000
0,1 1 10 100 1000 10000 100000DN
PS (bar)
PS = 0,5
DN
= 2
5
Article 3, paragraph 3
I
II
PS*DN = 2000
III
PS = 10
PS = 500
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Table 9Piping referred to in Article 3, Section 1.3 (b), second indent
0,1
1
10
100
1000
10000
0,1 1 10 100 1000 10000 100000
DN
PS (bar)
PS = 0,5
DN
= 2
00
Article 3, paragraph 3
I
PS*DN = 5000
II
PS = 10
PS = 500
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PARTICULAR CASEEquipment Article 3 § 3
ü Must be designed and manufactured in accordance with the sound engineering practice
ü Are not submitted to E.S.R.
ü Are not submitted to C.A.P. (Conformity Assessment Procedure)
ü Must not bear the CE marking
ü Has the benefit of free movement
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CONFORMITY ASSESSMENT PROCEDURE = MODULES
Numbering A to H
Modules with or without QA
Modules for Design and Production
Modules with or without Notified Bodies
Choice depending on the Equipment Category
Pressure Equipment Directive 97/23/EEC
Define the activities necessary to preformthe Conformity AssessmentDefine the responsibilities and the activitiesfor both Manufacturer and Notified Body.
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MODULES - Examples
Pressure Equipment Directive 97/23/EEC
Module F(Product Verification)
ð Compliance of Manufacturing Processes with the Design Examination Cert. (M)
ð CE Mark the Equipment. (M)ð Verify that personnell performing the
Permanent Joint are qualified. (NB)ð Verify that Material Certificates are in
compliance with PED (Annex I sect.4.3) (NB)
ð Perform the final inspection and ProofTest (Annex I sect. 3.2) (NB)
ð Affix the NB identificatiion Number (NB)
Module B1(Design EC examination)
ð Application content (M)ð Description of the Equipment
and Technical Documentation(M)ð Review of Technical
Documentation by NBð Verify if the E.S.R. are fullifilled
(NB)ð Assess the material selection if
not covered by Harmodized Std.or European Approval. (NB)
ð Issue the EC Design Examination Certificate (NB)
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Simplified Flowchart MODULESProduction Phase
Pressure Equipment Directive 97/23/EC
Design Phase
Man
ufa
ctu
rer
Module A (Internal Control of Production)
Module G (Unit verification)
Module H1 ( Full Quality Assurance with Design Examination and Special Survelliance of Final Assessment)
Module C1(conformity to type)
Module D (Production QA - ISO 9002)
Module E(Product QA - ISO 9003)
Module F (Product Verification)
Module B (Type Examination)
Module B1 (Design Examination)
Module H (Full Quality Assurance)
Module A1 (Int. Control of Prod. with monitoring of Final Assessment)
Module D1 (Production QA - ISO 9003)
Module E1 (Product QA - ISO 9002)
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Basic MODULES
Number Definition Design phase Production phase Notified Body Q/A
A Internal control of production YES YES NO NA
A1 Internal control of production YES YES NO NA
B Type-examination YES NO YES NA
B1 Type-examination YES NO YES NA
D Production quality assurance NO YES + Mod. B or B1 YESYES
(ISO 9002)
D1 Production quality assurance NO YES YESYES
(ISO 9002)
E Product quality assurance NO YES + Mod. B YESYES
(ISO 9003)
E1 Product quality assurance NO YES YES YES (ISO 9003)
F Product verification NO YES + Mod. B or B1 YES NA
G Unit verification YES YES YES NA
H Full quality assurance YES YES YESYES (ISO
9001)
H1 Full quality assurance (with special Survelliance)
YES YES YESYES
(ISO 9001)
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F
Category I
Category II
Category III
Category IV
Pressure Equipment Directive 97/23/EC
I A AII A1 D1 A1 E1III B+E B+C1 H B1+D B1+F HIV B+D B+F H1 G H
Applicable ModulesBatch (series) One-Off Produc.
Category
H
E
D
H1
E1D1
A
A1
C1G
One-off productionwith Q/A
One-off productionwithout Q/A
Batch serieswith Q/A
Batch serieswithout Q/A
F
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Materials
Mate
rials
Accepta
nce
Desig
n Q
ualit
y S
yste
m A
ssessm
ent
Pro
duction Q
ualit
y S
yste
m A
ssessm
ent
Fin
al In
spection a
nd T
est Q
ualit
y S
yste
m
Assessm
ent
EC
Desig
n E
xam
ination
EC
Type E
xam
ination
EC
Desig
n E
xam
Cert
ific
ate
EC
Type E
xam
ination C
ert
ific
ate
Pers
onel Q
ualif
ication A
ppro
val
Weld
ing a
nd N
DT
Pro
cedure
Appro
val
ND
T P
ers
onnel Q
ualif
ication A
ppro
val
Fin
al In
spection a
nd F
inal D
ocum
enta
tion
Check
Pre
ssure
Test
Safe
ty A
ccessories Insta
llation C
heck (
if
applic
able
)
Confo
rmity D
ecla
ration
Confo
rmity C
ert
ific
ate
I All A Internal Controll of Production M M M M M M M M M M M
All A1 Internal Manufacturing Check (1) M M M RTP RTP M M M/I M/I M/I M
Type D1 Production Quality Assurance M I I M M RTP RTP M M M/I M/I M/I M
Product E1 Product Quality Assurance M I M RTP RTP M M M/I M/I M/I M
B1 EC Design Examination NB I I RTP
D Production Quality Assurance I I RTP RTP M M/I M/I M/I M
B1 EC Design Examination NB I I RTP
F Product Verification RTP RTP M I I I M I
B EC Type Examination NB I I I RTP RTP RTP
E Product Quality Assurance I RTP RTP M M/I M/I M/I M
B EC Type Examination NB I I I RTP RTP RTP
C1 Conformity to Type RTP RTP M M/I M/I M/I M
Type H Full Quality Assurance NB I I I M M RTP RTP RTP M M/I M/I M/I M
Product H Full Quality Assurance (3) NB I I I M M RTP RTP RTP M M/I I M/I M
B EC Type Examination NB I I I RTP RTP RTP
D Production Quality Assurance I I RTP RTP M M/I M/I M/I M
B EC Type Examination NB I I I RTP RTP RTP
F Product Verification RTP RTP M I I I M I
Product G EC Unit Verification NB I RTP RTP RTP M I I I M I
All H1 Full Quality Assurance (2) NB I I I I I RTP RTP RTP M M/I M/I M/I M
(1) with Monitoring of the Final Assessment M Manufacturer(2) with Design Examination and Special Surveillance of the Final Assessment NB Notified Body(3) for one-off production of vessels and equipemnt the NB shall perform the Final Assessment for each unit I Notified body in charge of conformity assessment
RTP Recognized Third Party (art. 13) or NB
Final AssessmentCE marking
/ Certification
Conformity Assessment Modules Table
Permanent Joints
CH
OIC
ES
MODULES
CA
TE
GO
RY
Type and Design Examination
Fab
ricati
on
an
d T
ests
Quality System
IV
III
II
Product
Type
Product
Type
Type
Type
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MODULES - Examples B+C1
(Cat. III - Bacth Series)
Pressure Equipment Directive 97/23/EEC
Module C1(Conformity to Type)ð Compliance of Manufacturing Processes with the Type Examination Cert. (M)ð CE Mark the Equipment. (M)ð Perform the Final Inspection and Proof Test (Annex I sect. 3.2) (M)ð Perform the monitoring of the production with un-expected visits (NB)ð Verify that the manufactuter actually performs the Final Assessment(NB)ð Affix the NB identificatiion Number (NB)
Module B (EC Type examination)ð Application content (M)ð Description of the Equipment and Technical Documentation(M)ð Review of Technical Documentation by NBð Verify if the E.S.R. are fullifilled (NB)ð Assess the material selection if not covered by Harmodized Std. or European
Approval. (NB)ð Issue the EC Type Examination Certificate (NB)
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Pressure Equipment Directive 97/23/EEC
Module E (Product Quality Assurance)ð Application to a NB to assess the QA System Compliance to PED (M)ð Description of the Equipment and Technical Documentation(M)ð Assess the QA according to PED requirements and pay surveillance visits (NB)ð Perform the Final Inspection and Proof Test (Annex I sect. 3.2) (M)ð Pay un-expected visits to verify that the QA system is correctly applied and
functioningð Affix the NB identificatiion Number (NB)
Module B (EC Type examination)ð Application content (M)ð Description of the Equipment and Technical Documentation(M)ð Review of Technical Documentation by NBð Verify if the E.S.R. are fullifilled (NB)ð Assess the material selection if not covered by Harmodized Std. or European
Approval. (NB)ð Issue the EC Type Examination Certificate (NB)
MODULES - Examples B+E
(Cat. III - Bacth Series)
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Pressure Equipment Directive 97/23/EEC
Module D (Product Quality Assurance)ð Application to a NB to assess the QA System Compliance to PED (M)ð Description of the Equipment and Technical Documentation(M)ð Assess the QA according to PED requirements and pay surveillance visits (NB)ð Perform the final inspection and Proof Test (Annex I sect. 3.2) (M)ð Pay un-expected visits to verify that the QA system is correctly applied and
functioningð Affix the NB identificatiion Number (NB)
Module B (EC Type examination)ð Application content (M)ð Description of the Equipment and Technical Documentation(M)ð Review of Technical Documentation by NBð Verify if the E.S.R. are fullifilled (NB)ð Assess the material selection if not covered by Harmodized Std. or European
Approval. (NB)ð Issue the EC Type Examination Certificate (NB)
MODULES - Examples B+D
(Cat. IV - Bacth Series)
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Pressure Equipment Directive 97/23/EEC
Module F (Product Verification)ð Compliance of Manufacturing Processes with the Design Examination Cert. (M)ð CE Mark the Equipment. (M)ð Verify that personnell performing the Permanent Joint are qualified. (NB)ð Verify that Material Certificates are in compliance with PED (Annex I sect. 4.3) (NB)ð Perform the final inspection and Proof Test (Annex I sect. 3.2) (NB)ð Affix the NB identificatiion Number (NB)
Module B (EC Type examination)ð Application content (M)ð Description of the Equipment and Technical Documentation(M)ð Review of Technical Documentation by NBð Verify if the E.S.R. are fullifilled (NB)ð Assess the material selection if not covered by Harmodized Std. or European
Approval. (NB)ð Issue the EC Type Examination Certificate (NB)
MODULES - Examples B+F
(Cat. IV - Bacth Series)
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Pressure Equipment Directive 97/23/EEC
Module H (Full Quality Assurance, Cat. III)ð Application to a NB to assess the QA System Compliance to PED (M)ð Description of the Equipment and Technical Documentation(M)ð Assess the QA according to PED requirements and pay surveillance visits (NB)ð Perform the final inspection and Proof Test (Annex I sect. 3.2) (M)ð Pay un-expected visits to verify that the QA system is correctly applied and
functioningð Affix the NB identificatiion Number (NB)
Module H1 (Full Quality Assurance, Cat. IV)As for Module H with the following additional activities:
ð Examination of Design (NB)ð Issue of an EC-Design Certificate (NB)ð Increase of the survelliance with special care to the Final Inspection and
Proof Test (Annex I sect. 3.2) (NB)
MODULES - Examples
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MATERIALS
Pressure Equipment Directive 97/23/EC
Particular AppraisalManufacturer (Cat I and II )
Harmonized Standard
European Approval
Particular Appraisal N.B. (b)
(Cat III and IV)
N.B. (a)
CEN
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PERMANENT JOINING
Welding
Brazing
Riveting
Gluing
Expanding
Joints which cannot be disconnected except by
destructive methods
Pressure Equipment Directive 97/23/EC
Category I Category II Category III Category IV
Permanent Joint Procedure
No approval R.T.P. or N.B. R.T.P. or N.B. R.T.P. or N.B.
Permanent Joint Personnel
No approval R.T.P. or N.B. R.T.P. or N.B. R.T.P. or N.B.
NDE of Permanent Joints Personnel
No approval No approval R.T.P. or N.B. R.T.P. or N.B.
Category of riskType of task
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- Name and address (identification of the manufacturer)- Year of manufacture- Identification of pressure equipment- Essential maxi/mini allowable limits
- Volume V in L- Nominal size DN- Test pressure PT in Bar- Date of pressure test- Safety device set pressure in Bar- Intended use- Filling ratio in kg/l- Maximum filling mass in kg- Tare mass in kg- Product group (1 or 2)- Etc...
MARKING
Pressure Equipment Directive 97/23/EC
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Assembly Safety Device
Val
ve
Lev
el G
lass
Piping
Pump(Out of PED)
Vessel
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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ü Define a Company General Policy for PED implementation in its own Europen Plants
ü A set of documents issued by Company may need to be modified to contain all the information required/needed for PED implementation
ü If needed for QA modules the Quality System shall be adapted tothe PED
ü Pressure Equipment Classificationü Prescription from Costumersü Information from Costumers
General
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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Pressure Accessories (cat. I, II and III)TP is not the Manufacturer but purchase themfrom other.
Gauges
Valves
ü Standard Production (Batch Series)There are advantage in using Q/A Modules,Suppliers are going to use H module tocover all applicable categories
ü Non-Standard Production (One-OffProd. and Big Valves)Both Q/A and not Q/A modules may beapplied without big difference. The choicecould be left to the Manufacturer.
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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PRESSURE EQUIPMENT DIRECTIVE
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Safety Valves,Rupture Disks,and Instrument whenlinked to EmergencySystems
Safety Accessories (cat. IV)TP is not the Manufacturer but purchase themfrom other.
ü Standard Production (Batch Series)There are advantage in using Q/A Modules,Suppliers are going to use H1 module tocover all applicable categories
ü Non-Standard Production (One-OffProd. and Big Valves)Both Q/A and not Q/A modules may beapplied without big difference. The choicecould be left to the Manufacturer. I
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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ü The costumer shall give some additional information such as:wFluidwCategorywThe intended used to avoid any limitation of use in conflictwith the required use.
Prescription/Information from Costumers
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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Notified Bodies
PROPOSAL WARNING
The PED leave the «Manufacturer» free to Choice the Notified Body .The Costumer may or may not leave its manufacturersfree to choice the NBIf the client defines a specific NB it shall be carrefully considered in the Proposal stageA specific statement shall be incicated in the Inquiriesand in the bids
Assessment ModuleSelection
The PED leave the «Manufacturer» free to choice theAssessment Module upon those applicable.The Costumer may or may not leave its manufacturersfree to choice the ModulesIf the client defines a specifics Modules it shall be carrefully considered in the Proposal stage
INSTRUMENTATION & AUTOMATIONINVOLVEMENT
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Web sites
uOfficial Site:uhttp://ped.eurodyn.comuhttp://europa.eu.int/comm/enterprise/newapproach/standardization/harmstds/reflist/equippre.htmluhttp://europa.eu.int/comm/enterprise/newapproach/legislation/nb/en97-23-ec.pdfuwww.tukes.fi/englanti/pressure_equipment/directives/pressure_directive.html
INSTRUMENTATION & AUTOMATIONINVOLVEMENT