SIST EN 14564:2013
(Main)Tanks for transport of dangerous goods - Terminology
Tanks for transport of dangerous goods - Terminology
This European Standard gives the terminology for all tanks and does not cover carriage in bulk for the transport of dangerous goods. This document is part of the standards on tanks for transport of dangerous goods, prepared by CEN/TC 296 in application of the RID/ADR [2, 3]: - Annex A gives some definitions taken from RID/ADR chapter 1.2 ; and - Annex B gives some definitions taken from RID/ADR chapter 6.7.
Tanks für die Beförderung gefährlicher Güter - Begriffe
Dieses Dokument enthält Begriffe für alle Tanks für die Beförderung gefährlicher Güter, jedoch keine Begriffe für die Beförderung in loser Schüttung. Dieses Dokument ist Teil des von CEN/TC 296 erarbeiteten technischen Regelwerks zur Anwendung mit ADR/RID [2, 3].
- Anhang A enthält einige aus ADR/RID, Kapitel 1.2, übernommene Definitionen;
- Anhang B enthält einige aus ADR/RID, Kapitel 6.7, übernommene Definitionen.
Citernes pour le transport des matières dangereuses - Terminologie
Le présent document donne la terminologie relative à toutes les citernes mais ne couvre pas le transport en vrac de matières dangereuses. Il constitue une partie de l'ensemble du code technique produit par le CEN/TC 296 en application de la Directive RID/ADR [2], [3] :
- l'Annexe A donne certaines définitions issues du RID/ADR, paragraphe 1.2 ; et
- l'Annexe B donne certaines définitions issues du RID/ADR, paragraphe 6.7.
Cisterne za prevoz nevarnega blaga - Terminologija
Ta evropski standard določa terminologijo za vse cisterne in ne zajema prevoza nevarnega blaga v razsutem stanju. Ta dokument je del standardov o cisternah za prevoz nevarnega blaga, ki jih je pripravil odbor CEN/TC 296 pri uporabi RID/ADR [2, 3]: – dodatek A navaja definicije iz poglavja 1.2 RID/ADR, – dodatek B navaja definicije iz poglavja 6.7 RID/ADR.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Cisterne za prevoz nevarnega blaga - TerminologijaTanks für die Beförderung gefährlicher Güter - BegriffeCiternes pour le transport des matières dangereuses - TerminologieTanks for transport of dangerous goods - Terminology23.020.20Posode in vsebniki, montirani na vozilaVessels and containers mounted on vehicles13.300Varstvo pred nevarnimi izdelkiProtection against dangerous goods01.040.23Fluid systems and components for general use (Vocabularies)ICS:Ta slovenski standard je istoveten z:EN 14564:2013SIST EN 14564:2013en,fr,de01-november-2013SIST EN 14564:2013SLOVENSKI
STANDARDSIST EN 14564:20051DGRPHãþD
SIST EN 14564:2013
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14564
February 2013 ICS 01.040.13; 01.040.23; 13.300; 23.020.20 Supersedes EN 14564:2004English Version
Tanks for transport of dangerous goods - Terminology
Citernes pour le transport des matières dangereuses - Terminologie
Tanks für die Beförderung gefährlicher Güter - Begriffe This European Standard was approved by CEN on 24 November 2012.
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. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14564:2013: ESIST EN 14564:2013
EN 14564:2013 (E) 2 Contents Page Foreword . 3 1 Scope . 4 2 Normative references . 4 3 General terms . 4 4 Specific terms . 7 Annex A (informative)
RID/ADR definitions . 8 Annex B (informative)
RID/ADR definitions . 14 Annex C (informative)
Alphabetical index for English terms . 21 Annex D (informative)
Alphabetical index for French terms . 24 Annex E (informative)
Alphabetical index for German terms . 27 Bibliography. 30
SIST EN 14564:2013
EN 14564:2013 (E) 3 Foreword This document (EN 14564:2013) has been prepared by Technical Committee CEN/TC 296 “Tanks for transport of dangerous goods”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2013, and conflicting national standards shall be withdrawn at the latest by August 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 14564:2004. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. EN 14564:2012 includes the following major changes with respect to EN 14564:2004: a) The following new definitions have been added: 3.2 Adaptor, 3.4 Breathing, 3.5 Capacity, 3.6 Cold forming, 3.10 Elliptical, 3.12 Fastenings, 3.13 Flame arrester, 3.19 Pressure balanced, 3.20 Product sensor, 3.23 Run off pipe, 3.24 Self actuating adaptor, 3.25 Self closing (valve), 3.28 Venting, 4.2 Demountable, A.6 Conformity assessment, A.7 Control temperature, A.8 Critical temperature, A.12 Emergency temperature, A.14 Filling ratio, A.16 Flash point, A.18 Hermetically closed tank, A.19 Inspection body, A.33 Solid and A.41 UN – number. b) The definition of 3.15 Inspector has been modified. c) The following definitions have been deleted: 3.2 Attachment, 3.18 Total capacity, 3.19 Total mass, 4.1 Actuator, 4.2 Demountable, 4.3 Cross compatibility, 4.4 Effective cycle time, 4.5 Fail safe, 4.8 Fire wire system, 4.9 Gantry control system, 4.10 Gantry control system reaction time, 4.11 Interface, 4.13 Inter-operable, 4.18 Non-permissive, 4.19 Overfill prevention controller, 4.21 Overfill prevention system response time, 4.22 Permissive, 4.26 Self-checking, 4.27 Sensor and 4.28 Two-wire system. This standard provides uniform terminology for technical terms which require definition in addition to regulatory definitions based in RID/ADR, and specific terms defined in other standards on tanks for transport of dangerous goods, prepared by CEN/TC 296. Clause 3 defines general terms and Clause 4 defines specific terms. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 14564:2013
EN 14564:2013 (E) 4 1 Scope This European Standard gives the terminology for all tanks and does not cover carriage in bulk for the transport of dangerous goods. This document is part of the standards on tanks for transport of dangerous goods, prepared by CEN/TC 296 in application of the RID/ADR [2, 3]: Annex A gives some definitions taken from RID/ADR chapter 1.2 ; and Annex B gives some definitions taken from RID/ADR chapter 6.7. NOTE Annexes A and B are based on the 2013 edition of RID/ADR which are updated every two years. This includes the potential of temporary inconsistencies with these annexes. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12266-1:2012, Industrial valves — Testing of metallic valves — Part 1: Pressure tests, test procedures and acceptance criteria — Mandatory requirements 3 General terms For the purposes of this document, the following terms and definitions apply. 3.1 accessory equipment mounted to the tank which is not part of the shell or service equipment or structural equipment 3.2 adaptor closure with a particular connection profile 3.3 baffle any non-hermetically sealed structure other than a surge plate, intended to inhibit the movement of the shell contents 3.4 breathing automatic and normal function to control pressure and vacuum between the inside and the outside of the shell 3.5 capacity total inner volume of shell or shell compartment construction
Note 1 to entry: When it is impossible to fill completely the shell or shell compartment because of its shape or construction, this reduced capacity is used for the determination of the degree of filling and for the marking of the tank. 3.6 cold forming forming at temperatures not less than 25 °C below the maximum permissible temperature for stress relieving, in accordance with the applicable material specifications SIST EN 14564:2013
EN 14564:2013 (E) 5 3.7 cover plate closure of an opening of the shell which is not service equipment 3.8 design stress stress value used for calculation 3.9 design temperature temperature chosen for the design of each part of the tank 3.10 elliptical
section of a shape which has a side radius of curvature lower than or equal to the radius of curvature of a circular section tank of the same width 3.11 end
head part of the shell shutting off the longitudinal section 3.12 fastenings structural equipment used for fixing the tank on the chassis, frame or auxiliary frame 3.13 flame arrester
flame trap device fitted to the opening of an enclosure or to the connecting pipework of a system of enclosures and whose intended function is to allow flow but prevent the transmission of flame 3.14 hydraulic pressure test
strength test carried out with liquid (generally water) 3.15 inspector individual of an inspection body approved by the competent authority 3.16 leak proof able to contain the fluid in accordance with Table A.5 of EN 12266-1:2012, Rate A 3.17 nominal capacity maximum volume intended to be carried 3.18 partition hermetically sealed dividing wall between adjacent compartments in compartmented tanks 3.19 pressure balanced equilibrium of substance pressure on both sides of the internal stop valve 3.20 product sensor device which detects the presence of product in liquid phase and whose output signal can be used to display whether liquid is present SIST EN 14564:2013
EN 14564:2013 (E) 6 3.21 protective lining or coating lining or coating protecting the metallic tank material against corrosion or reaction with the substances to be transported 3.22 repair correction of a defect which may have impaired the safety of the tank or where equipment that communes directly with the shells content or safety device is replaced; it does not include normal service and maintenance operations of the shell or service equipment or replacement of gaskets or service equipment to the same specification 3.23 run off pipe pipe connecting a footvalve to the associated external stop-valve 3.24 self actuating adaptor adaptor capable of being opened by built-in and external means 3.25 self closing (valve) valve held in the closed position by means of stored energy (such as a spring) which opens only by application of external force and which closes when the external force is removed 3.26 surge plate non-hermetically sealed wall in tanks or compartments of shells intended to reduce the effect of surge, mounted at right angles to the direction of travel, having an area of at least 70 % of the cross-sectional area of the shells where the surge plate is located 3.27 test technical operation that consists of the determination of one or more characteristics of a given tank and/or service equipment, process or service according to a specified procedure 3.28 venting function allowing passage of gas during loading and unloading 3.29 weld joint factor stress reduction factor applied because of the welding manufacturing process SIST EN 14564:2013
EN 14564:2013 (E) 7 4 Specific terms 4.1 bottom loading filling of a tank through the tank's piping system which enables substances to enter the tank compartments from the bottom 4.2 demountable any part of service equipment which is not permanently attached (welded) or demountable with a special tool 4.3 fill hole opening in a tank or in a manhole cover assembly to allow top filling of a tank compartment 4.4 fill hole cover operating device on top of a tank or part of manhole cover to enable top loading and closing the fill hole 4.5 interlock device which can be used to permit or prevent an action 4.6 load plan plan that identifies the different substances and volumes to be loaded into each tank compartment 4.7 manhole opening in a tank to allow internal inspection by a person passing through 4.8 manhole cover plate plate covering the manhole which may include auxiliary equipment such as fill hole cover assembly, vapour transfer valve, sensors, etc. 4.9 neck ring ring joined to the shell that provides the attachment for a cover plate 4.10 overfill prevention system sensor or sensor circuits, interface plug/socket, overfill prevention controller and all connecting wiring and cables 4.11 plug and ball valve valve in which the obturator rotates about an axis at right angle to the direction of flow and, in the open position, the flow passes through the obturator 4.12 relief pressure pressure at which the safety valve starts to open 4.13 vapour collection manifold piping system into which each vapour transfer valve from each compartment is connected and which connects to the vapour recovery adaptor SIST EN 14564:2013
EN 14564:2013 (E) 8 Annex A (informative)
RID/ADR definitions A.1 battery-vehicle/battery-wagon vehicle/wagon containing elements which are linked to each other by a manifold and permanently fixed to a transport unit The following elements are considered to be elements of a battery-vehicle/wagon: cylinders, tubes, bundles of cylinders (also known as frames), pressure drums as well as tanks destined for the carriage of gases of Class 2 with a capacity of more than 450 l. A.2 calculation pressure theoretical pressure at least equal to the test pressure which, according to the degree of danger exhibited by the substance being carried, may to a greater or lesser degree exceed the working pressure It is used solely to determine the thickness of the walls of the shell, independently of any external or internal reinforcing device (See also "Discharge pressure”, “Filling pressure”, “Maximum working pressure (gauge pressure)” and “’Test pressure”). A.3 carriage in bulk carriage of unpackaged solids or articles in vehicles/wagons or containers The term does not apply to packaged goods nor to substances carried in tanks. A.4 closure device which closes an opening in a receptacle A.5 competent authority authority or authorities or any other body or bodies designated as such in each State and in each specific case in accordance with domestic law A.6 conformity assessment means the process of verifying the conformity of a product according to the provisions of sections 1.8.6 and 1.8.7 related to type approval, supervision of manufacture and initial inspection and testing A.7 control temperature means the maximum temperature at which the organic peroxide or the self-reactive substance can be safely carried A.8 critical temperature means the temperature above which the substance cannot exist in the liquid state SIST EN 14564:2013
EN 14564:2013 (E) 9 A.9 dangerous goods substances and articles, the carriage of which is prohibited by RID/ADR, or authorized only under the conditions prescribed therein A.10 demountable tank tank, other than a fixed tank, a portable tank, a tank-container or an element of a battery-vehicle or a MEGC which has a capacity of more than 450 l, is not designed for the carriage of goods without breakage of load, and normally can only be handled when it is empty A.11 discharge pressure maximum pressure actually built up in the tank when it is being discharged under pressure (see also “Calculation pressure”, “Filling pressure”, “Maximum working pressure (gauge pressure)” and “Test pressure”) A.12 emergency temperature means the temperature at which emergency procedures shall be implemented in the event of loss of temperature control A.13 filling pressure maximum pressure actually built up in the tank when it is being filled under pressure (see also "Calculation pressure", "Discharge pressure", "Maximum working pressure (gauge pressure)" and "Test pressure") A.14 filling ratio means the ratio of the mass of gas to the mass of water at 15 °C that would fill completely a pressure receptacle fitted ready for use A.15 fixed tank tank having a capacity of more than 1 000 l which is permanently attached to a vehicle or a wagon or is an integral part of the frame of such vehicle or wagon A.16 flash-point means the lowest temperature of a liquid at which its vapours form a flammable mixture with air A.17 gas substance which: a) at 50 °C has a vapour pressure greater than 300 kPa (3 bar); or b) is completely gaseous at 20 °C under standard pressure of 101,3 kPa. SIST EN 14564:2013
EN 14564:2013 (E) 10 A.18 hermetically closed tank means a tank intended for the carriage of liquid substances with a calculation pressure of at least 4 bar or intended for the carriage of solid substances (powdery or granular) regardless of its calculation pressure, the openings of which are hermetically closed and which: is not equipped with safety valves, bursting discs, other similar safety devices or vacuum valves; or is not equipped with safety valves, bursting discs or other similar safety devices, but is equipped with vacuum valves, in accordance with the requirements of 6.8.2.2.3: or is equipped with safety valves preceded by a bursting disc according to 6.8.2.2.10 but is not equipped with vacuum valves; or is equipped with safety valves preceded by a bursting disc according to 6.8.2.2.10 and vacuum valves, in accordance with the requirements of 6.8.2.2.3. A.19 inspection body an independent inspection and testing body approved by the competent authority A.20 leak proofness test test to determine the leak proofness of a tank and of the equipment and closure devices A.21 liquid substance which at 50 °C has a vapour pressure of not more than 300 kPa (3 bar), which is not completely gaseous at 20 °C and 101,3 kPa, and which: a) has a melting point or initial melting point of 20 °C or less at a pressure of 101,3 kPa; or b) is liquid according to the ASTM D 4359-90 test method; or c) is not pasty according to the criteria applicable to the test for determining fluidity (penetrometer test) described in RID/ADR 2.3.4. NOTE "Carriage in the liquid state", for the purpose of tank requirements, means: carriage of liquids according to the above definition; or solids handed over for carriage in the molten state. A.22 maximum permissible gross mass tare of the tank and the heaviest load authorized for carriage SIST EN 14564:2013
EN 14564:2013 (E) 11 A.23 maximum working pressure (gauge pressure) highest of the following three pressures: a) highest effective pressure allowed in the tank during filling (maximum filling pressure allowed); b) highest effective pressure allowed in the tank during discharge (maximum discharge pressure allowed); and c) effective gauge pressure to which the tank is subjected by its contents (including such extraneous gases as it may contain) at the maximum working temperature Unless the special requirements prescribed in Chapter 4.3 provide otherwise, the numerical value of this working pressure (gauge pressure) shall not be lower than the vapour pressure (absolute pressure) of the filling substance at 50 °C. For tanks equipped with safety valves (with or without bursting disc) other than tanks for the carriage of compressed, liquefied or dissolved gases of Class 2, the maximum working pressure (gauge pressure) shall however be equal to the prescribed opening pressure of such safety valves.
A.24 MEGC see “Multiple-element gas container” A.25 mild steel steel having a minimum tensile strength between 360 N/mm2 and 440 N/mm2 A.26 multiple-element gas container unit containing elements which are linked to each other by a manifold and mounted on a frame The following elements are considered to be elements of a multiple-element gas container: cylinders, tubes, pressure drums and bundles of cylinders as well as tanks for the carriage of gases of Class 2 having a capacity of more than 450 l. A.27 portable tank means a multimodal tank having, when used for the carriage of gases as defined in 2.2.2.1.1, a capacity of more than 450 l in accordance with the definitions in Chapter 6.7 or the IMDG Code and indicated by a portable tank instruction (T-Code) in Column (10) of Table A of chapter 3.2 A.28 reference steel steel with a tensile strength of 370 N/mm2 and an elongation at fracture of 27 % A.29 safety valve spring-loaded device which is activated automatically by pressure to protect the tank against unacceptable excess internal pressure SIST EN 14564:2013
EN 14564:2013 (E) 12 A.30 service equipment a) of the tank: means filling and emptying, venting, safety, heating and heat insulating devices and measuring instruments; b) of the elements of a battery-vehicle or of a MEGC: means filling and emptying devices, including the manifold, safety devices and measuring instruments. A.31 settled pressure means the pressure of the contents of a pressure receptacle in thermal and diffusive equilibrium A.32 shell sheathing containing the substance (including the openings and their closures) A.33 solid means: a) a substance with a melting point or initial melting point of more than 20 °C at a pressure of 101,3 kPa; or b) a substance which is not liquid according to the ASTM D 4359-90 test method or which is pasty according to the criteria applicable to the test for determining fluidity (penetrometer test) described in 2.3.4; c) for elements of a battery-vehicle or an MEGC: means the external or internal reinforcing, fastening, protective or stabilizing members of the shell or receptacle; d) for IBCs other than flexible IBCs: means the reinforcing, facening, handling, protective or stabilizing members of the body (including the base pallet for composite IBCs with plastics inner receptacle). A.34 structural equipment a) for tanks of a tank-vehicle or tank wagon or demountable tank: external or internal reinforcing, fastening, protective or stabilizing members of the shell; b) for tanks of a tank-container: external or internal reinforcing, fastening, protective or stabilizing members of the shell; c) for elements of a battery-vehicle or a battery-wagon or an MEGC: external or internal, reinforcing, fastening, protective or stabilizing members of the shell or receptacle. A.35 tank shell, including its service and structural equipment A.36 tank-container article of transport equipment meeting the definition of a container, and comprising a shell and items of equipment, including the equipment to facilitate movement of the tank-container without significant change of attitude, used for the carriage of gases, liquid, powdery or granular substances and having a capacity of more than 0,45 m3 (450 l) SIST EN 14564:2013
EN 14564:2013 (E) 13 A.37 tank swap body is considered to be a tank-container A.38 tank-vehicle vehicle built to carry liquids, gases or powdery or granular substances and comprising one or more fixed tanks. In addition to the vehicle proper, or the units of running gear used in its stead, a tank-vehicle comprises one or more shells, their items of equipment and the fittings for attaching them to the vehicle or to the running-gear units A.39 tank wagon wagon intended for the carriage of liquids, gases, powdery or granular substances, comprising a superstructure, consisting of one or more shells, and an underframe fitted with its own items of equipment (running gear, suspension, buffing, traction, braking gear and inscriptions) NOTE Tank wagon also includes wagons with demountable tank. A.40 test pressure required pressure applied during a pressure test for initial or periodic inspection
See also "calculation pressure", "Discharge pressure", "Filling pressure" and "Maximum working pressure (gauge pressure)". A.41 UN- number means the four-figure identification number of the substance or article taken from the UN Model Regulations A.42 vacuum valve spring-loaded device which is activated automatically by pressure to protect the tank against unacceptable negative internal pressure A.43 vacuum-operated waste tank tank primarily used for the carriage of dangerous wastes, with special constructional features and/or equipment to facilitate the loading and unloading of wastes as specified in RID/ADR Chapter 6.10 SIST EN 14564:2013
EN 14564:2013 (E) 14 Annex B (informative)
RID/ADR definitions
6.7.2 6.7.3 6.7.4 6.7.5 B.1 alternative arrangement an approval granted by the competent authority for a portable tank or MEGC that has been designed, constructed or tested to technical requirements or testing methods other than those specified in this Chapter: B.2 elements
elements are cylinders, tubes or bundles of cylinders B.3 portable tank a multimodal tank used for the carriage of substances of Class 1 and Classes 3 to 9. The portable tank includes a shell fitted with service equipment and structural equipment necessary for the carriage of dangerous substances a multimodal tank having a capacity of more than 450 l used for the carriage of non-refrigerated liquefied gases of Class 2 a thermally insulated multimodal tank having a capacity of more than 450 l fitted with service equipment and structural equipment necessary for the carriage of refrigerated liquefied gases
The portable tank shall be capable of being filled and discharged without the removal of its structural equipment. It shall possess stabilizing members external to the shell, and shall be capable of being lifted when full. It shall be designed primarily to be loaded onto a vehicle, wagon or sea-going or inland navigation vessel and shall be equipped with skids, mountings or accessories to facilitate mechanical handling. Tank vehicles, tank-wagons, non-metallic tanks and intermediate bulk containers (IBCs) are not considered to fall within the definition for portable tanks
B.4 shell the part of the portable tank which retains the substance intended the part of the portable tank which retains the non-refrigerated liquefied gas intended
the part of the portable tank which retains the refrigerated liquefied gas intended
for carriage, including openings and their closures, but does not include service equipment or external structural equipment
"to be continued" SIST EN 14564:2013
EN 14564:2013 (E) 15
6.7.2 6.7.3 6.7.4 6.7.5 B.5 tank
a construction which normally consists of either:
a) a jacket and one or more inner shells where the space between the shell(s) and the jacket is exhausted of air (vacuum insulation) and may incorporate a thermal insulation system; or
b) a jacket and an inner shell with an intermediate layer of solid thermally insulating material (e.g. solid foam)
B.6 jacket
the outer insulation cover or cladding which may be part of the insulation system
B.7 service equipment service equipment means measuring instruments and filling, discharge, venting, safety, pressurizing, cooling and thermal insulation devices B.8 structural equipment structural equipment means the reinforcing, fastening, protective and stabilizing members external to the shell B.9 maximum allowable working pressure a pressure that shall be not less than the highest of the following pressures measured at the top of the shell while in operating position: a pressure that shall be not less than the highest of the following pressures measured at the top of the shell while in operating position, but in no case less than 7 bar: the maximum effective gauge pressure permissible at the top of the shell of a loaded portable tank in its operating position including the highest effective pressure during filling and discharge
a) the maximum effective gauge pressure allowed in the shell during filling or discharge; or a) the maximum effective gauge pressure allowed in the shell during filling or discharge; or
b) the maximum effective gauge pressure to which the shell is designed which shall be not less than the sum of: b) the maximum effective gauge pressure to which the shell is designed, which shall be:
"to be continued" SIST EN 14564:2013
EN 14564:2013 (E) 16
6.7.2 6.7.3 6.7.4 6.7.5
i) the absolute vapour pressure (in bar) of the substance at 65 °C, minus 1 bar; and i) for a non-refrigerated liquefied gas listed in the portable tank instruction T50 in 4.2.5.2.6, the MAWP (in bar) given in T50 portable tank instruction for that gas;
ii) the partial pressure (in bar) of air or other gases in the ullage space being determined by a maximum ullage temperature of 65 °C and a liquid expansion due to an increase in mean bulk temperature of tr-tf (tf = filling temperature, usually 15 °C; tr = maximum mean bulk temperature, 50 °C). ii) for other non-refrigerated liquefied gases, not less than the sum of:
Design pressure means the pressure to be used in calculations required by a recognized pressure vessel code. The design pressure shall be not less than the highest of the following pressures: — the absolute vapour pressure (in bar) of the non-refrigerated liquefied gas at the design reference temperature minus 1 bar; and
a) the maximum effective gauge pressure allowed in the shell during filling or discharge; or — the partial pressure (in bar) of air or other gases in the ullage
...
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