Overhook Screens and Trommels
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Screens with overhooks or Metal Edges
INFORMATION NEEDED WHEN ORDERING SCREENS WITH OVERHOOKS (OH) OR METAL EDGES (OHME)
MATERIAL AND WEAVE TYPE ___________________________________________
OPENING AND WIRE DIAMETER ___________________________________________
(For slotted openings advise which side the long side of the slot is parallel to)
WIDTH = DISTANCE FROM OUTSIDE OF OH TO OUTSIDE OF OH_____________________
LENGTH = LENGTH OF SIDE WITH OH __________________OH TYPE _______________
- Normal hooks are 45 degree bent hooks
- Metal edges are usually used for wires thinner than 4mm (OHME)
- C-shape hooks can be supplied with either metal edges or welded on edges
NUMBER OF SCREENS _____________________________________________________
OVERHOOK DIMENSIONS ARE STATED AS OUTSIDE OF THE HOOK TO THE OUTSIDE OF THE HOOK UNLESS SPECIFICATIONS STATE OTHERWISE
Trommel Screens
TO WORK OUT THE MESH REQUIRED FOR A TROMMEL SCREEN
LENGTH OF MESH REQUIRED TO ROLL TO THE SPECIFIED TROMMEL DIAMETER
= DIAMETER X 3.142 PLUS 150MM FOR OVERLAP
TOTAL MESH REQUIRED IN M2
= WIDTH X LENGTH (DIAMETER X 3.142 PLUS 150MM FOR OVERLAP)
