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BS EN 16475-2:2017

$198.66

Chimneys. Accessories – Chimney fans. Requirements and test methods

Published By Publication Date Number of Pages
BSI 2017 52
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This European Standard covers electrically operated metal fans for chimneys that are able to create a stable positive or negative pressure for the chimney.

This European Standard covers fans installed inline in the connecting flue pipe (inline fans) or mounted on the chimney outlet (exhaust fans).

This standard excludes chimney cowls (Terminals with aerodynamic characteristics).

PDF Catalog

PDF Pages PDF Title
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Product characteristics
4.1 General
10 4.2 Dimensions and tolerances
4.3 Mechanical resistance and stability
4.3.1 General
4.3.2 Wind load
4.3.2.1 General
4.3.2.2 Exhaust fans subject to wind load
4.3.2.3 Fan support
4.3.3 Resistance to freeze–thaw
4.4 Thermal performance
4.4.1 Reaction to fire
4.4.2 Fire resistance — Exhaust fan
11 4.4.3 Declaration of temperature class
4.4.3.1 General
4.4.3.2 Inline fan
12 4.4.4 Heat stress resistance
4.4.5 Sootfire resistance
4.5 Hygiene, health and the environment
4.5.1 Gas tightness
13 4.5.2 Condensate resistance
4.5.3 Durability against corrosion
4.5.3.1 General
4.5.3.2 Dry application
4.5.3.3 Wet application
4.5.4 Dangerous substances
14 4.6 Additional criteria for chimney operation
4.6.1 Flow characteristic
4.6.2 Resistance to ice formation
4.6.3 Cleaning and maintenance
4.6.3.1 Cleaning of the fan
4.6.3.2 Cleaning of the chimney
4.6.4 Maintenance of the fan
4.7 Safety
4.7.1 Mechanical safety
4.7.2 Electrical safety
15 5 Testing, assessment and sampling methods
5.1 Mechanical resistance and stability
5.1.1 General
5.1.2 Wind load test
5.1.2.1 General
5.1.2.2 Preparation of test specimen
5.1.2.3 Test procedure horizontal wind load
16 5.2 Thermal performance
5.2.1 General
5.2.2 Test assembly for heat stress and thermal shock tests
5.2.2.1 General
18 5.2.2.2 Test assembly for exhaust fan
5.2.2.3 Test assembly for inline fan
19 5.2.3 Test structures
5.2.3.1 Test structure exhaust fan
5.2.3.2 Test structure inline fan
5.2.4 Measuring parameters
5.2.4.1 Test environment, test room
5.2.4.2 Hot gas temperature
5.2.4.3 Hot gas velocity
5.2.4.4 Test structure, surface temperatures
21 5.2.4.5 Exhaust fan surface temperatures
5.2.4.6 Ambient temperature
5.2.5 Test procedure for heat stress test
22 5.2.6 Test procedure for sootfire resistance test
5.2.6.1 General
5.2.6.2 Test results
23 5.3 Hygiene, health and the environment
5.3.1 Gas tightness test
5.3.1.1 Test apparatus
5.3.1.2 Test sample
5.3.1.3 Measuring parameters
5.3.1.4 Test procedure
5.3.1.5 Test results
24 5.3.2 Flow resistance after thermal tests
5.3.2.1 General
5.3.2.2 Test apparatus
5.3.2.3 Test sample
5.3.2.4 Measuring parameters
5.3.2.5 Test procedure
26 5.3.3 Flow characteristic, capacity
27 5.3.4 Test method for icing behaviour for exhaust fans
5.3.4.1 Test apparatus
5.3.4.2 Test sample
5.3.4.3 Measurement parameters
28 5.3.4.4 Test condition
5.3.4.5 Test procedure
5.3.4.6 Test result
29 6 Assessment and verification of constancy of performance – AVCP
6.1 General
30 6.2 Type testing
6.2.1 General
6.2.2 Test samples, testing and compliance criteria
31 6.2.3 Choice of size for type test and sampling
6.2.3.1 Thermal testing
6.2.3.2 Gas tightness
6.2.3.3 Condensate resistance
6.2.3.4 Samples
6.2.3.5 Verification of samples
32 6.2.3.6 Nature of changes requiring further type test
6.2.4 Test reports
6.2.5 Shared other party results
6.3 Factory production control (FPC)
6.3.1 General
33 6.3.2 Requirements
6.3.2.1 General
34 6.3.2.2 Equipment
6.3.2.3 Traceability and marking
35 6.3.2.4 Product testing and evaluation
6.3.2.5 Non-complying products
6.3.2.6 Corrective action
6.3.2.7 Handling, storage and packaging
6.3.3 Product specific requirements
36 6.3.4 Initial inspection of factory and of FPC
6.3.5 Continuous surveillance of FPC
37 6.3.6 Procedure for modifications
7 Designation
7.1 General
7.2 Exhaust fans
7.3 Inline fans
38 8 Marking, labelling and packaging
8.1 Marking chimney components
8.2 Chimney fan plate
8.3 Manufacturer’s instructions
8.3.1 General
39 8.3.2 Minimum information to be included in the manufacturer’s instructions
8.3.3 Product data
40 Annex A (informative)Example of sound chart showing sound levels to surroundings
A.1 Sound levels to external surroundings
41 Annex B (informative)Data for calculation programs
42 Annex C (normative)Methods for combustible wood surface temperature measurements
43 Annex D (normative)Methods for exhaust fan surface temperature measurements
44 Annex E (normative)Ambient temperature
45 Annex ZA (informative)Relationship of this European Standard with Regulation (EU) No.305/2011
BS EN 16475-2:2017
$198.66