BS EN 12050-4:2015 – TC:2020 Edition
$217.84
Tracked Changes. Wastewater lifting plants for buildings and sites – Non-return valves for faecal-free wastewater and wastewater containing faecal matter
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 75 |
This European Standard applies to non-return valves used for faecal-free wastewater and wastewater containing faecal matter lifting plants. This Standard specifies general requirements, basic construction and testing principles together with information on materials and the relevant assessment and verification of constancy of performance.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | Tracked_Changes_Cover |
| 3 | 30265299_compare |
| 45 | Contents Page |
| 48 | 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions |
| 49 | 3.2 Symbols and abbreviations 3.2.1 Symbols 3.2.2 Abbreviations 4 Materials and product characteristics 4.1 Materials 4.2 Mechanical resistance 4.3 Effectiveness 4.3.1 General 4.3.2 Connections |
| 50 | 4.3.3 Solids passage 4.3.4 Cleanability 4.3.5 Nominal pressure of non-return valves 4.4 Internal leakage 4.5 Reaction to fire 4.5.1 General |
| 51 | 4.5.2 Non-return valves classified as Class A1 without the need for testing 4.5.3 Non-return valves classified according to test results 4.5.3.1 Principle 4.5.3.2 Sizes and mounting of the test specimen 4.6 Durability 4.6.1 General |
| 52 | 4.6.2 Durability of watertightness 4.6.3 Durability of effectiveness 4.6.4 Durability of mechanical resistance 4.7 Noise level 4.8 Dangerous substances 5 Testing 5.1 General |
| 53 | 5.2 Effectiveness testing 5.2.1 Faecal-free wastewater 5.2.2 Wastewater containing faecal matter 5.2.3 Internal leakage 5.2.4 Pressure testing 5.2.5 Testing of backwash devices 6 Assessment and verification of constancy of performance – AVCP 6.1 General 6.2 Type testing 6.2.1 General |
| 54 | 6.2.2 Test samples, testing and compliance criteria |
| 55 | 6.2.3 Test reports 6.3 Factory production control (FPC) 6.3.1 General 6.3.2 Requirements 6.3.2.1 General |
| 56 | 6.3.2.2 Equipment 6.3.2.3 Raw materials and components |
| 57 | 6.3.2.4 Traceability and marking 6.3.2.5 Controls during manufacturing process 6.3.2.6 Product testing and evaluation 6.3.2.7 Non-complying products |
| 58 | 6.3.2.8 Corrective action 6.3.2.9 Handling, storage and packaging 6.3.3 Product specific requirements |
| 59 | 6.3.4 Procedure for modifications 7 Marking, labelling and packaging 7.1 Manufacturer’s declaration 7.2 Marking |
| 60 | Annex A (informative)Recommended materials |
| 61 | Annex ZA (informative)Clauses of this European Standard addressing the provisions of the EU Construction Products Regulation |
