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STN EN 88-1


Označenie: STN EN 88-1 zrušená
Slovenský názov: Regulátory tlaku plynu a súvisiace bezpečnostné zariadenia určené pre spotrebiče na plynné palivá. Časť 1: Regulátory tlaku plynu na vstupný tlak do 50 kPa vrátane
Anglický názov: Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa
Pôvodné označenie:
Dátum vydania: 1. 9. 2011
Dátum zrušenia: 1. 12. 2011
Jazyk: EN
ICS: 23.060.40
Triediaci znak: 06 1021
Úroveň zapracovania: idt EN 88-1:2011
Vestník: 08/11
Poplatok: Tlačená verzia: 18,90 € 


Elektronická verzia
  1. Bez možnosti tlače, prenosu textu a obrázkov: 17.01 €
  2. Bez možnosti tlače, s prenosom textu a obrázkov: 18.90 €
  3. S možnosťou tlače, prenosu textu a obrázkov: 24.57 €
Vestník harmonizácie:
Nariadenie vlády:
Zmeny:
Nahradzujúce normy: STN EN 88-1:2011-12 (06 1021)
Nahradené normy: STN EN 88-1:2008-05 (06 1021)
Poznámka vo Vestníku: (Rozpracovanie prekladom)
Predmet normy:



Obsah normy STN EN 88-1
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 Classes of control
4.2 Groups of control
4.3 Classes of control functions
5 Units of measurement and test conditions
6 Construction requirements
6.1 General
6.2 Mechanical parts of the control
6.2.1 Appearance
6.2.2 Holes
6.2.3 Breather holes
6.2.4 Test for leakage of breather holes
6.2.5 Screwed fastenings
6.2.6 Jointing
6.2.7 Moving parts
6.2.8 Sealing caps
6.2.9 Dismantling and reassembly
6.2.101.Adjustments
6.2.102.Resistance to pressure
6.2.103.Blockage of canals and orifices
6.2.104.Signal tube connections
6.3 Materials
6.3.1 General material requirements
6.3.2 Housing
6.3.3 Test for leakage of housing after removal of non-metallic parts
6.3.4 Zinc alloys
6.3.5 Springs providing closing and/or sealing force
6.3.6 Resistance to corrosion and surface protection
6.3.7 Impregnation
6.3.8 Seals for glands for moving parts
6.4 Gas connections
6.4.1 Making connections
6.4.2 Connection sizes
6.4.3 Threads
6.4.4 Union joints
6.4.5 Flanges
6.4.6 Compression fittings
6.4.7 Nipples for pressure test
6.4.8 Strainers
6.5 Electronic parts of the control
6.6 Protection against internal faults for the purpose of functional safety
7 Performance
7.1 General
7.2 Leak tightness
7.3 Test for leak tightness
7.3.1 General
7.3.2 External leak-tightness
7.3.3 Internal leak-tightness
7.3.101.External leak-tightness for signal carrying compartment(s)
7.4 Torsion and bending
7.5 Torsion and bending tests
7.6 Rated flow rate
7.7 Test for rated flow
7.7.1 Apparatus
7.7.2 Test procedure
7.7.3 Conversion of air flow rate
7.8 Durability
7.9 Performance tests for electronic controls
7.10 Long-term performance for electronic controls
7.101 Pressure regulator performance
7.101.1.General
7.101.2.General test procedure
7.101.3.Class A pressure regulator performance
7.101.4.Class B pressure regulator performance
7.101.5.Class C pressure regulator performance
7.101.6.Endurance
7.101.7.Lock-up pressure
7.101.8.Requirement for rendered inoperative pressure regulators
7.101.9.Test for rendered inoperative pressure regulators
7.102 Pneumatic gas/air ratio pressure regulator performance
7.102.1.General
7.102.2.General test procedure
7.102.3.Control performance and stability
7.102.4.Settling time
7.102.5.Gas/air ratio adjustment
7.102.6.Offset adjustment
7.102.7.Endurance
8 EMC/Electrical requirements
8.1 Protection against environmental influences
8.2 Supply voltage variations below 85 % of rated voltage
8.3 Short term voltage interruptions and decreases
8.4 Supply frequency variations
8.5 Surge immunity test
8.6 Electrical fast transient/burst
8.7 Immunity to conducted disturbances
8.8 Immunity to radiated fields
8.9 Electrostatic discharge immunity test
8.10 Power frequency magnetic field immunity test
8.11 Electrical requirements
8.11.1 General
8.11.2 Electrical equipment
9 Marking, installation and operating instructions
9.1 Marking
9.2 Installation and operating instructions
9.3 Warning notice
Annex A (informative) Gas connections in common use in the various countries
Annex B (informative) Leak-tightness test — volumetric method
Annex C (informative) Leak-tightness test — pressure loss method
Annex D (normative) Conversion of pressure loss into leakage rate
Annex E (normative) Electrical/electronic component fault modes
Annex F (normative) Additional requirements for safety accessories and pressure accessories as
defined in EC Directive 97/23/EC
Annex G (normative) Materials for pressurized parts
Annex H (informative) Additional materials for pressurized parts
Annex I (normative) Requirements for controls used in DC supplied gas burners and gas burning appliances
Annex AA (informative) Typical pressure regulators and pressure regulator parts
Annex BB (informative) Overview of requirements and test conditions (as given in Clause 7), and examples of performance curves for pressure regulators
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2009/142/EC relating to appliances
burning gaseous fuels
Bibliography
Figures
Figure 1 Step response of a transfer element
Figure 2 Performance test apparatus
Figure 3 Delta p versus rated flow rate curve
Figure AA.1 Types of constant pressure regulators
Figure BB.1 Example for class A pressure regulator including maximum outlet pressure variations for constant outlet setting pressure p2s and
lock-up pressure p2f including typical results
Figure BB.2 Example for class A pressure regulator including maximum outlet pressure variations for adjustable outlet setting pressures p2smin,
p2smax, and lock-up pressures p2fmin, p2fmax, including typical results
Figure BB.3 Example for class A pressure regulator including maximum outlet pressure variation for constant outlet setting pressure p2s including
typical results
Figure BB.4 Example for class B pressure regulator including maximum outlet pressure variation for constant outlet setting pressure p2s including
typical results
Figure BB.5 Example for class C pressure regulator including maximum outlet pressure variation for constant outlet setting pressure p2s including
typical results
Tables
Table 1 Gas pressure at inlet to the pressure regulator
Table 2 Outlet pressure variation from the outlet setting pressure p2s
Table 3 Control performance test procedure
Table BB.1 Overview of pressure regulator requirements
Table BB.2 Test procedure
Table ZA.1 Correspondence between this European Standard and Directive 2009/142/EC relating to appliances burning gaseous fuels