26
PNEG-2023
Metric In-Line Mount and Cross-Cut Mount Flush Style Intermediate Discharge Gates
4. ATEX Compliant RSG Slide Gates
Electrical Installation
All electrical components used when installing the slide gate and associated conveyor must be suited to
the ATEX hazardous environment. Failure to do so will render the equipment rating invalid. This shall
include:
•
Cable glands
•
Terminal boxes/electrical enclosures
•
Conduit
•
Switches
Maintenance
Routine Inspection
Slide gates operating in hazardous environments must be inspected on a regular basis for signs of
wear which could give rise to ignition sources. Equipment shall be installed with suitable, safe access
ladders/stairs/platforms and catwalks to allow ease of access for inspection.
At least every 150 hours of operation:
1. Visually inspect the bearings for signs of over-heating, loss of grease and wear.
2. Check the cooling fans on motor and gear reducer are clean.
3. Check the cooling fan and air inlets on motor and gear reducer - if fitted - are clear.
4. Check the gate drive sprocket for signs or teeth wear.
5. Check for damage/loose connections of electrical cables into motors/switches.
6. Check the limit switches for correct operation, freedom of movement and cleanliness.
All worn or damaged items must be replaced.
Repairs/Replacements
All repairs must be carried out in accordance with the product manual.
Replacement parts shall be matched like for like and be genuine GSI replacements. Failure to do so will
render the conveyor rating invalid. The following ratings must be observed:
1.
Gate Motor
Ex tb IIIC T125C Db
2.
Gate Gear Reducer
II 2GD c k T4
3.
Open Limit Switch
Ex tD A21 IP67 T85°C
4.
Close Limit Switch
Ex tD A21 IP67 T85°C
5.
UHMW Lining
Tivar 1000 Antistatic/Tivar 1000 EC
