T.W. Generators Limited

Engine emissions

Home
Used generators for sale
Images of used generators
Used generators wanted
Used generator wanted
Generator decommissioning
New Cummins generators
New Perkins generators
New Scania generators
New Volvo generators
Engine emissions
kVA to Amps
World Voltages
Motor generator sets and frequency convertors
ATS (Automatic Transfer System) panels
Used ATS (Automatic Transfer System) panels
Used alternators
Manual changeover switches
Generator parts
Generator parts wanted
Obsolete generator parts for sale
Used circuit breakers for sale
Used fuel tanks for sale
Generator maintenance and servicing
Generator repairs
Load bank
Diesel engines
Used transformers
Used acoustic canopies and containers for sale
Used UPS
Used Power Distribution Units
Used Rolls Royce generators
Used Dorman generators
Used data centre equipment
Generator exports
Working Internationally
London
Company history
Archive news articles
Contact
Links

The generators produced by TW Generators Limited need to be compliant to emissions regulations.  The Regulations are being implemented in the stages as described below to comply with European and National Legislation:

Stage I Standards for non-road engines (A to C)

Category
Net Power kW
CO (g/kWh)
HC (g/kWh)
NOx (g/kWh)
PM (g/kWh)
A
130 ≤ P ≤ 560
5
1.3
9.2
0.54
B
75 ≤ P ≤ 130
5
1.3
9.2
0.7
C
37 ≤ P ≤ 75
6.5
1.3
9.2
0.85
           
E
130 ≤ P ≤ 560
3.5
1
6
0.2
F
75 ≤ P ≤ 130
5
1
6
0.3
G
37 ≤ P ≤ 75
5
1.3
7
0.4
D
18 ≤ P ≤ 37
5.5
1.5
8
0.8

Stage II Standards for non-road engines (D to G)

Stage IIIA Standards for non-road engines (I to K)

Category
Net Power kW
CO (g/kWh)
NOx + HC (g/kWh)
PM (g/kWh)

H

130 ≤ P ≤ 560
3.5
4
0.2

I

75 ≤ P ≤ 130
5
4
0.3

J

37 ≤ P ≤ 75
5
4.7
0.4

K

19 ≤ P ≤ 37
5.5
7.5
0.6

Stage IIIB Standards for non-road engines (L to P)

Category
Net Power kW
CO (g/kWh)
HC (g/kWh)
NOx (g/kWh)
PM (g/kWh)
L
130 ≤ P ≤ 560
3.5
0.19
2
0.025
M
75 ≤ P ≤ 130
5
0.19
3.3
0.025
N
56 ≤ P ≤ 75
5
0.19
3.3
0.025
P
37 ≤ P ≤ 56
5
4.7 (NO2 + HC)
 
0.025

European Commission link about emissions from non-road mobile machinery which includes generating sets.

The European Commission Directives: 97/68/EC, 2002/88/EC, 2004/26/EC and 2006/105/EC

Building 12, Marsworth Airfield South Site, Long Marston Road, Marsworth, TRING, Herts, England, HP23 4FE