HOW TO ORDER AGGREGATE SCREENS

1. QUANTITY --Number of Pieces or Rolls.
   
   
2. WIDTH -- Expressed in inches or fractions thereof. Width should always be specified first.
   
   
3. LENGTH -- Finished overall length.
   
   
4. OPENING OR MESH :
• Square Opening --Specify fractional or decimal space required
• Slotted Opening --Specify fractional or decimal space required in both the width and length of opening.
• Note: When ordering slotted openings specify which direction long opening is parallel to.
• Mesh -- Specify number of openings, counting from center of any wire to a point one inch distant.
  
  
5. WIRE SIZE -- Expressed in decimals of an inch or W&M Gauge Number.
   
   
6. TYPE OF MATERIAL -- Specify type of Wire Cloth: High Carbon Spring Steel, Oil Tempered Spring Steel, Stainless Steel, etc.
   
   
7. PREFORMED SCREENS FOR MOUNTING IN VIBRATING OR SIZING MACHINES :In addition to the above, the following information is required if the screen is preformed for mounting in machines.
• Machine Type -- Specify make of machine, serial number, model number and size.
• Type Hooks -- Specify type of hooked edges and also metal composition if reinforced.
• Finished Dimensions -- Specify dimensions from the outside of one hook to the outside of opposite hook. Also advise overall length.
  
  
8. REPEAT ORDERS -- When a previous order is to be duplicated, please give the invoice number, P.O. number and date of the original order.
   
   
9. ROTARY SCREENS (Trommel) : In addition to the above, the following information is required if the screen is rolled:
• Finished length of cylinder.
• Finished outside or inside diameter of cloth and whether a lap is required.

SUGGESTIONS FOR ORDERING
FORMED EDGES HOOK TYPES

1. Specify type of hook, plain or reinforced.  (Hook Types)

2. Give accurate outside dimension. Measure from outside of one hook to outside of opposite hook as illustrated below.

3. Specify angle and length of hook as shown

Be sure to allow ample clearance for tensioning on vibrating Screens

It is important that nose of Bar seats properly in hook

Proper installation requires that vibrating screen sections of heavy grade wire cloth must be kept under proper tension. When installing a new screen, make sure that nose of tension bar seats properly in hook.  After machine has operated for short period of time, re-tighten cloth.

NOTE: The width of the screen is usually at right angles to the Flow of material. The length parallels the flow of he material.