BS EN124 Class C250 Ductile Iron – Ductile Iron Gate Valve | ZECO Valvewedge gate valve
What is BS EN 124 Standard?
BS EN 124:2015, the Standard for gully tops and manhole tops for vehicular and pedestrian areas was published on 31 July 2015. It is a substantial revision to the 1994 version, as it splits the standard into one general part and five material specific parts, and it brings products made of different materials into the scope of BS EN 124.
BS EN 124 History & Definitions of BS EN 124
BS EN 124 (Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas) superseded BS 497:1976 Specification for Manhole Covers, Road Gully Gratings and Frames for Drainage Purposes in 1994, and was updated to become BS EN 124:2015. It is the British adoption of the European standard for covers and gratings that separates products into a number of classes based on a static load test, and also groups the locations where each class should be installed (and the minimum class that should be used in each). It was produced and is published by the BSI Group.
The standard is split into one general part and five material-specific parts, and brings products made of different materials into the scope of BS EN 124.
- BS EN 124-1:2015 — Definitions, classification, general principles of design, performance requirements and test methods:
- BS EN 124-2:2015 — Gully tops and manhole tops made of cast iron.
- BS EN 124-3:2015 — Gully tops and manhole tops made of steel or aluminium alloys.
- BS EN 124-4:2015 — Gully tops and manhole tops made of steel reinforced concrete.
- BS EN 124-5:2015 — Gully tops and manhole tops made of composite materials.
- BS EN 124-6:2015 — Gully tops and manhole tops made of polypropylene (PP), polyethylene (PE) or unplasticized polyvinyl chloride (PVC-U).
Different Groups and Classes of BS EN 124
The BS EN124 classification includes six groups that each represent different environments where covers or gratings may be used. These include:
- Group 1: Areas that only pedestrians are able to access.
- Group 2: Pedestrian areas and car parks where vehicle access is only occasional. This can include residential driveways.
- Group 3: Forecourts, car parks, industrial sites and areas with slow moving traffic. This group also includes areas in highway locations that are no more than 50cm from the kerb and no more than 20cm onto the verge, however this excludes motorways.
- Group 4: Areas that cars and lorries can access, such as hard shoulders, carriageways, as well as other pedestrian areas.
- Group 5: High load areas, including docks, loading areas, and aircraft pavements.
- Group 6: Aircraft pavements and other areas with high wheel loads.
It also includes several classes that rate the static load capabilities of a gully top, access cover or manhole cover. These range between Class A15 to Class F900, as detailed below:
- Class A15 Manhole Cover: Used to denote covers and gratings that can withstand a 15kN test load.
- Class B125 Manhole Cover: Used to denote covers and gratings that can withstand a 25kN test load.
- Class C250 Manhole Cover: Used to denote covers and gratings that can withstand a 250kN test load.
- Class D400 (D400 Double Triangular Cover): Used to denote covers and gratings that can withstand a 400kN test load.
- Class E600: Used to denote covers and gratings that can withstand a 600kN test load.
- Class F900: Used to denote covers and gratings that can withstand a 900kN test load.
Specifications of Class C250 Ductile Iron
| Specification | A15, B125, C250, D400, E600, F900 |
| Shape | Double Triangle, Round, Square, Rectangular, Octagonal Types &, etc. |
| Surface Treatment | Bitumen, Epoxy Paint, and Water Base Paint |
| Application | Telecommunications, Sewage, Drainage, Water, Stormwater, Fire Protection &, etc. |
| Standard | BS EN 124, AS 3596, SANS |
| Technical Support | Owning an experienced designing team |
| Quality Control | Superior Product Quality |
| Production Facilities | Automatic molding machine lines, cupola, sand treatment system, molding machines, core-shooters, powder coating line, CNC machining centers &, etc. |
| Feature | Single Seal, Double Seal, Bolt Hinge, Removable Hinge, Lock Device, Spring Bar, Auto-locking Device, Safety-Design, Solid, Vent Cover, Lifting Key Hole, Rubber/PE Gasket, GRP Plate, Cut-Corner Design, single seal, double seal, hinge type, ventilated, watertight, airtight, and anti-theft &, etc. |
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