Historical
BS EN 1114-1:1997
Rubber and plastics machines. Extruders and extrusion lines. Safety requirements for extruders (British Standard)
In respect of the hazards listed in 4.1 and dealt with in 5, this standard specifies the safety requirements for the design and construction of the following kinds of screw type extruders for plastics and rubber: - single screw extruders - twin screw extruders - multi/multiple screw extruders - hot feed extruders - cold feed extruders - vacuum extruders - pin extruders The standard additionally covers the following feeding systems: - hoppers - single roller feeding systems - double roller feeding systems - crammer feeding systems and the following ancillary equipment which form part of or are attached to the extruder: - screen changers - melt/gear pumps - melt ducts - static mixers - degassing equipment - shear head devices - extruder head This standard only applies to extruder heads that give initial shape to the plasticised material. This standards does not apply to extruders without screws e.g.: - piston extruders - disc extruders - roller extruders This standard applies primarily to machines which are manufactured after the date of approval of this European Standard.
Content Provider
British Standards Institution [bsi]
