Remeha Generic Wood Pellet Specifications
SIC / 24.04.2012
:
:
The quality of the fuel used can have a significant impact on the reliability and the life of the boiler.
Off –specification pellets can contaminate stocks of good material and maybe difficult to dispose
of.
The use of contaminated material can lead to breaches of emissions and waste regulations as well as
long term damage to the heating system.
The European standards have been developed based on the work of CEN’s TC335 solid biofuels
committee.
As a minimum the fuel should comply with the following specification acc. to OENORM M 7135
and ENplus Class A1.
Energy density
Diameter
Length:
Wood Pellet Specification
OENORM M 7135 ENplus Class A1
4.9kWh/kg.
4mm ≤ D ≥ 10mm
4 X D 3,15≤ L ≤ 40
4.5kWh/kg.
6mm (±1)
Bulk density:
Origin
Moisture content
Ash content
Sulphur content
Chlorine content
Nitrogen content
Mechanical
durability
Amount of fines
Additives
min. 650kg/m³ ≥ 600 kg/m³
Chemically untreated wood without
bark
≤ 10 % ≤ 10 %
≤ 0.5 % ≤ 0.7 %
≤ 0.04 % ≤ 0.05 %
≤ 0.02 % ≤ 0.02 %
≤ 0.30 % ≤ 0.30 %
≥ 97.7% ≥ 97.5%
≤1,00% ≤1,00%
< 2 w-% of dry basis < 2 w-% of dry basis
Chemically untreated wood without
bark,
Stem wood
If the fuel used to operate the boiler(s) does not meet the attached pellet specication,
Remeha Commercial cannot guarantee the performance of the boilers and physical damage
or incapacitation of the boilers and fuel transport system may result. Furthermore should
Remeha Commercial be called out to site to intervene as a result of the boiler(s) being
operated using inferior fuel, our labour and any replacement parts required to rectify the
situation will be chargeable items.
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