What Are the Safety Standards for Vacuum Conveyor Belts?
All types of conveyor belt present hazards to workers. Wherever there is machinery and moving parts, there is a risk to health. By carefully controlling the design and use of the conveyor belt and by testing the equipment, it is possible to minimise those hazards.
According to guidance from the Health and Safety Executive, there is particular concern about ‘nip points’, which are a pinch point where the drum/roller meets the conveyor belt. Fire safety is another major concern.
There are several standards that govern the safety of vacuum conveyor belts and here are some of them.
Safety Standards for Vacuum Conveyors
When you get a conveyor installed by experts such as http://www.aptech.uk.com/pneumatic-conveying-systems/vacuum-conveying/, you know that all of the relevant safety standards will be met.
The UK standards are usually underpinned by the British Standard requirements for testing and encompass European standards as well.
British Standard EN 1554:2012
This standard refers to drum friction testing. The standard defines the method of testing how likely it is that the belt will either generate a flame or glow when it is being held stationary under tension. The test needs to be carried out at several different tensions.
This is an international standard for continuous handling equipment. It applies to certain types of conveyors, including belt conveyors and assembly table conveyors. It also applies to pneumatic continuous handling appliances and some mobile structures.
BS EN 1366-7:2004
This British standard is all about fire resistance tests for conveyor systems. It sets out a specified method for calculating the fire resistance assemblies with conveyor systems shutters. However, the standards only apply if the assembly is both designed and installed within openings that are incorporated in separating elements that are either vertical or horizontal.
They also apply if the conveyor systems shutters (CSS) have parts of the conveyor track or pipes or electrical cables passing through them.
This international standard is all about steel cord conveyor belts and underground installations. It clearly sets out how conveyors with steel cords that are used in underground mining should be constructed and perform.
The standards apply to single belts and to complete series belts. The requirements are very strict because the hazards of fire and explosion are a particular problem in this type of environment.