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Screw Conveyor Flight Edging

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Flight edging is designed to eliminate metal to metal contact between the auger flight and the auger conveyor casing. Flight edging prevents product rollback by decreasing the space between the flight edge and casing. To estimate the footage required to cover a screw section: Standard Single/Full Pitch Screw (the pitch is equal to the screw diameter) Flight Edging Required (ft) = 3.4 x length of screw (ft) Half Pitch Screw (the pitch is equal to half the screw diameter) Flight Edging Required (ft) = 6.7 x length of screw (ft) Special Screw Configurations (undetermined and variable screw pitches) Flight Edging Required (ft) = .283 x screw diameter (in) x turns
Screw Diameter (Inches) Flight Thickness (Inches) SPX # Catalog Number Minimum Coil OD (Inches) Maximum Coil OD (Inches) Average Feet/Coil Average Coils per 100 ft.
6 1/16 1043223 2733-6-.06 5.5 6 1.276 78.4
6 1/8 1043224 2733-6-.13 5.5 6 1.276 78.4
9 3/32 1043225 2733-9-.10 8 9 2.029 49.3
9 1/8 1043226 2733-9-.13 8 9 2.029 49.3
12 1/8 1043227 2733-12-.13 10.5 11.5 2.683 37.3
14 1/8 1043228 2733-14-.13 12 13.5 3.142 31.8
16 1/8 1043229 2733-16-.13 14 15.5 3.655 27.3
18 1/8 1043280 2733-18-.13 16 17.5 4.189 23.9
20 1/8 1124463 2733-20-.13 18 19.5 4.745 21.7
24 1/8 1063563 2733-24-.13 22 23.5 5.76 17.4
Screw Diameter (Inches) Flight Thickness (Inches) SPX # Catalog Number Minimum Coil OD (Inches) Maximum Coil OD (Inches) Average Feet/Coil Average Coils per 100 ft.
6 3/16 1043230 2734-6-.19 5.25 6 1.276 78.4
6 1/4 1043231 2734-6-.25 5.25 6 1.276 78.4
6 3/8 1043232 2734-6-.38 5.25 6 1.276 78.4
9 3/16 1043233 2734-9-.19 8 9 2.029 49.3
9 1/4 1043234 2734-9-.25 8 9 2.029 49.3
9 3/8 1043235 2734-9-.38 8 9 2.029 49.3
12 3/16 1043236 2734-12-.19 10.5 11.5 2.683 37.3
12 1/4 1043237 2734-12-.25 10.5 11.5 2.683 37.3
12 3/8 1043238 2734-12-.38 10.5 11.5 2.683 37.3
14 3/16 1043239 2734-14-.19 12 13.5 3.142 31.8
14 1/4 1043240 2734-14-.25 12 13.5 3.142 31.8
14 3/8 1043241 2734-14-.38 12 13.5 3.142 31.8
16 3/16 1043242 2734-16-.19 14 15.5 3.665 27.3
16 1/4 1043243 2734-16-.25 14 15.5 3.665 27.3
16 3/8 1043244 2734-16-.38 14 15.5 3.665 27.3
18 3/16 1043245 2734-18-.19 16 17.5 4.189 23.9
18 1/4 1043246 2734-18-.25 16 17.5 4.189 23.9
18 3/8 1043247 2734-18-.38 16 17.5 4.189 23.9
20 3/16 1043248 2734-20-.19 17.5 19.5 4.647 21.5
20 1/4 1043249 2734-20-.25 17.5 19.5 4.647 21.5
20 3/8 1043250 2734-20-.38 17.5 19.5 4.647 21.5
24 3/16 1043251 2734-24-.19 22.5 24.75 5.989 16.7
24 1/4 1043252 2734-24-.25 22.5 24.75 5.989 16.7
24 3/8 1043253 2734-24-.38 22.5 24.75 5.989 16.7
30 3/16 1124529 2734-30-.19 28.5 30 7.592 14
30 1/4 1104208 2734-30-.25 28.5 30 7.592 14
30 3/8 1124434 2734-30-.38 28.5 30 7.592 14
31.5 3/16 1043254 2734-31.5-.19 28.5 31.5 7.658 13.1
36 1/4 1134659 2734-36-.25 34.5 36 9.163 11

Screw Conveyor Flight Edging

Over the years, the Spiratex Co. has accumulated a wide range of tooling that has been abandoned by the original customer. We are now showing the prints below of custom parts that can be produced with no RAM Engineering and Sample Charge. The dimensions shown are nominal. If you are interested in a profile as a custom extrusion, please e-mail us and we will send a fully dimensioned print for further evaluation.

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  • “In our experience, Spiratex manufactures the VERY BEST in UHMW Polyethylene Ram Extruded products in the world.  The finish Spiratex achieves, in combination with the dimensional uniformity of these extrusions, is outstanding.  Our customers understand the value of such quality and appreciate receiving it with every shipment we send of your products.”

    -John Hickman (President, Claremont Polymer Shapes)

  • “Spiratex Co. has always had the highest quality consistently meeting and surpassing customer expectations and flexibility in reassigning orders to reduce lead times and increase customer satisfaction.”

    -Steve H.

  • “We’ve used Spiratex for years because of their ability to manufacture all our parts. It’s nice having a one-stop shop!”

    -Rita D.

  • “The quality and overall part finish is something I wish I thought about when I first bid the part out. They weren’t the lowest price but their quality stands alone”.

    -Jim C.