Types of gas and the corresponding supply pressures according to Article 4(1) of Regulation (EU) 2016/426 of the European Parliament and of the Council of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC (This publication is based on information received by the Commission from the Member States)
Date: 2025-03-18
Institutions: Directorate-General for Internal Market, Industry, Entrepreneurship and SMEs, European Commission
Subjects: Ireland, biogas, butane, gas, gas appliance, gas supply, natural gas, propane gas, technical specification, technical standard








C_202501714EN.000101.fmx.xml












Official Journal of the European Union


EN
C series













C/2025/1714


18.3.2025






Types of gas and the corresponding supply pressures according to Article 4(1) of Regulation (EU) 2016/426 of the European Parliament and of the Council of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC


(This publication is based on information received by the Commission from the Member States)


(C/2025/1714)

IRELAND

















Gas Family


Second


Third




Gas Group


Group H


Propane


Butane




 


minimum


maximum


minimum


maximum


minimum


maximum




Gross Calorific Value (GCV) [MJ/m3]


36,9 


42,3 


88,2 


100,1 


121,3 


126,7 




Wobbe index [MJ/m3]


47,2 


51,41 


72,7 


78,5 


85,7 


87,7 




Gas composition by volume in % of the total content:




C1 to C5

content (sum)


- (1)



100 


100 


100 


100 




N2 + CO2 content


N2  ≤ 5  mol%
CO2  ≤ 2,5  mol% (2)



NIL


NIL


NIL


NIL




CO content


< 2,5  mol %


NIL


NIL


NIL


NIL




Unsaturated HC content


- (3)



0 


100 


0 


100 




Hydrogen content


< 0,1  mol%


NIL


NIL


NIL


NIL




Information on toxic components contained in the gaseous fuel


H2 S ≤ 5  mg/m3 
 (4)




 (6)




 (6)





Supply pressure:




 


minimum


nominal


maximum


minimum


nominal


maximum


minimum


nominal


maximum




Supply pressure at the inlet of appliances [mbar]


17 


20 


25 


25 
25  (7)



37 
29  (7)



45 
35  (7)



20 
25  (7)



29 
29  (7)



35 
35  (7)





Supply pressure at the point of delivery [mbar]


-


20  (5)



-


32  (8)

27  (9)

30  (11)

30  (9)



37  (8)

37  (9)

37  (11)

30  (9)



45  (8)

45  (9)

45  (11)

35  (9)



22  (10)

30  (9)



29  (10)

30  (9)



35  (10)

35  (9)





Admissible pressure loss in the end-user gas installation [mbar]


-


-


1 


-


-


0,5  (9)

2  (10)

5  (11)



-


-


0,5  (9)

2  (10)

5  (11)





Reference conditions for Wobbe index and Gross Calorific Value (GCV)




Combustion reference temperature [°C]


15 oC




Volume measurement reference temperature [°C]


15 oC




Volume measurement reference pressure [mbar]


1 013,25  mbar






(1)  No specified limit for C1 to C5 content (sum), C2H6 < 12 mol%.

(2)  For other relevant gas quality specifications including specifications related to Renewable Natural Gas (biomethane) refer to the Gas Networks Ireland, Code of Operations, Part G Technical.

(3)  No specified limit.

(4)  At network entry Total Sulphur < 50 mg/m3 (including H2S). Odourised gas has an odour intensity of 2 olfactory degrees on the SALES Scale, or such other specification determined by the Transporter. Organo Halides < 1,5 mg/m3.

(5)  Delivery pressure for typical installation (including domestic) connected to the Distribution Network for Group H gas.

(6)  Commercial Propane and Butane may contain the substance 1,3 butadiene which is classified as Class II carcinogenic.

(7)  LPG for Leisure Accommodation Vehicles to EN 1949.

(8)  Cylinder Appliance (directly connected to the cylinder) Ref EN 16129 Table 5. Note: These figures assume the delivery point is the outlet of the regulator.

(9)  Cylinder Appliance (directly connected to the cylinder) LPG (for Leisure Accommodation Vehicles to EN 1949), Ref EN 16129 Annex D. Note: These figures assume the delivery point is the outlet of the regulator.

(10)  IS 813 Domestic Gas Installations - IS 820 Non-domestic Gas Installations.

(11)  EN 1949; directly connected cylinder appliance systems specifying 5 mbar.


ELI: http://data.europa.eu/eli/C/2025/1714/oj
ISSN 1977-091X (electronic edition)