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Warning devices from Sandvik are taking care of the conveyor and first of all the most expensive part of the conveyor, belt. The best guarantee for a trouble-free and economical operation is to prevent damages that might eventually happen in operation.
This selection of warning devices are designed to either stop the conveyor or just inform of the damages. These warning devices are based on the European standard EN620 and EN418 of the bulk handling conveyors. All devices are tested in the harsh climatic conditions in Scandinavia and can be ordered and operated individually.
Rotation detector stops the belt conveyor when the speed lowers under the nominated minimum speed, which is always caused by disturbances in operation conditions. ES10 is designed to be installed to the return roller support. Selection includes both compact pulse detector and proximity switch. Wide speed area runs from 0.1 m/s to 5 m/s.
Switch type | DI 0001, DI 0002, II 0012 |
Roller tube dia | 63-108 mm |
Roller outer dia | 108-219 mm |
The purpose of belt misalignment switch is to give a warning or/and stop the belt conveyor when the belt has moved too much sideways, which can cause damage of the belt or nearby structures. This switch selection can be used with upper or return belt. Available with two different switch options.
Switch type single contact | TV.015-02Y-H-1272-1348 |
Switch type dual contact | Z4V10H335-11Z2466-1172 |
The level limit switch is used for the upper limit controlling of powders, grain and crushed materials, as well as for jam alarms on conveyors and discharge chutes.
Switch type | TC-3X |
Max length of cord | 4000 mm |
Max length of sensor rod | 1000 mm |
Sandvik HX235 is a membrane switch type of blockage detector. It is designed for the control of bulk material surface level in belt conveyor chutes and silos. The purpose of the blockage detector is to stop the feeding device and to prevent a bigger jam and the damages caused by that.
Maximum particle size up to | 100 mm |
membrane material | rubber, frame plastic (PA6-30G), other parts steel and stainless steel |
sensor operating temperature range | -40...+70°C |
With the help of belt tearing detector, even large belt damages can be efficiently prevented. This device informs immediately of any occurred belt damages and can also stop the conveyor. ES 60 is designed for upper belt and ES61 for return belt.
Switch type | II 0011 |
Belt width | 500 - 2000 mm |