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BS EN 14175-3:2019

BS EN 14175-3:2019

$189.07

Fume cupboards – Type test methods

Published By Publication Date Number of Pages
BSI 2019 48
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This document specifies type test methods for the assessment of safety and performance of fume cupboards connected to an exhaust air system. Relevant requirements are specified in EN 14175-2.

For terms and their definitions, EN 14175-1 applies. For safety and performance requirements of fume cupboards, EN 14175-2 applies. For on-site test methods of fume cupboards, EN 14175-4 applies. For the type testing and on-site testing of variable air volume (VAV) fume cupboards, EN 14175-6 applies in addition to this standard. For fume cupboards for high heat and acidic load, EN 14175-7 applies.

For the testing of recirculation filtration fume cupboards, EN 17242:—1 applies.

For the testing of microbiological safety cabinets, EN 12469 applies.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 Contents Page
6 European foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Test room and general test conditions
4.1 Dimensions and construction
9 4.2 Test room conditions
4.3 Fume cupboard installation
4.4 Test conditions
4.4.1 General
4.4.2 Test sash positions
4.4.2.1 Vertical sash fume cupboards
4.4.2.2 Horizontal sash fume cupboards
10 4.4.2.3 Combination sash(es)
4.4.3 General procedure
5 Air flow tests
5.1 Extract volume flow rate
5.2 Face velocity
5.2.1 Test equipment
5.2.1.1 Anemometer
5.2.1.2 Data recording
5.2.2 Probe positions
11 5.2.3 Test procedure
5.2.4 Data analysis and results
5.3 Containment
5.3.1 Test equipment
5.3.1.1 General
5.3.1.2 Tracer gas
5.3.1.3 Test gas
5.3.1.4 Test gas flow regulator
12 5.3.1.5 Test gas injector
5.3.1.6 Sampling probe
5.3.1.7 Sampling manifold
5.3.1.8 Connecting tubing
5.3.1.9 Sampling pump
5.3.1.10 Gas analyser
5.3.1.11 Time constant of the test system
5.3.1.12 Data recording
5.3.2 Test conditions
5.3.3 Positioning of test equipment for inner measurement plane
14 5.3.4 Positioning of test equipment for outer measurement plane
5.3.4.1 Injector grid
5.3.4.2 Sampling probe grid
15 5.3.5 Test procedure
5.3.5.1 Preparation
5.3.5.2 Inner measurement plane test procedure
16 5.3.5.3 Outer measurement plane test procedure
5.3.6 Data analysis and results
5.3.6.1 Inner measurement plane data analyses and results
5.3.6.2 Outer measurement plane data analyses and results
17 5.3.6.3 Optional result presentation
5.4 Robustness of containment
5.4.1 Test equipment
5.4.2 Test conditions
5.4.3 Positioning of test equipment
18 5.4.4 Test procedure
5.4.5 Data analysis and results
5.5 Air exchange efficiency
5.5.1 Test equipment
5.5.1.1 Test gas
5.5.1.2 Test gas flow regulator
5.5.1.3 Test gas volume flow rate
5.5.1.4 Test gas injector
5.5.1.5 Sampling probe
19 5.5.1.6 Connecting tubing
5.5.1.7 Time constant
5.5.1.8 Data recording
5.5.2 Positioning of injector grid and sampling probe
5.5.3 Procedure
5.5.3.1 Preparation
5.5.3.2 Test procedure
5.5.4 Data analysis and results
20 5.6 Pressure drop
5.6.1 General
5.6.2 Test equipment
5.6.3 Test sash positions
5.6.4 Positioning of pressure taps
5.6.5 Test procedure
5.6.6 Expression of results
6 Sash tests
6.1 Sash suspension test
6.2 Sash displacement test
6.3 Protection against splashes
6.4 Sash stop and alarm test
21 7 Air flow indicator tests
8 Construction and materials tests
9 Illuminance test
22 10 Test report
23 Annex A (informative)Sound tests
24 Annex B (informative)A–deviations
25 Bibliography

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BS EN 14175-3:2019
$189.07