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Fortress Conveyor Belt

A revolutionary Fortress™ technology weave design, holds up to the most demanding applications and delivers up to three times longer life, proving Fortress XP™ provides a lower cost-per-ton with unsurpassed system savings.

See the difference with the Fortress Conveyor Belt

Innovative fabric weave The new dual layer twill fabric gives Fortress XP™ improved load bearing and impact resistance. Exceptional impact resistance Fortress XP™ has industry-leading impact resistance. Loading point impact damage can be a major cause of belt failure. Design engineers used an enhanced Dynamic Impact Tester to simulate loading impact force and its effects on belting. High transverse tear strength The dual layer twill fabric design enables high transverse tear strength. This minimizes tears that result from material punctures as well as edge tears from misaligned belts. Superior rip resistance Scrap metal or debris often get “hung up” in the structure of the conveyor, causing equipment damage and slits or cuts in long sections of the belt. Our fabric design helps dislodge and expel foreign objects and contains rips to a small area. Enhanced mechanical fastener pull-out resistance Rigorous dynamic and static testing means that Fortress XP™ belts will provide superior mechanical fastener retention as compared with multi-ply and straight-warp constructions. Vulcanized Finger Splice A full carcass finger vulcanized splice is recommended for ContiTech Fortress XP™ belting. This splice method takes advantage of the superior strength properties of the Fortress XP™ carcass to offer 100% of the rated belt tension.

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Innovative fabric weave
The new dual layer twill fabric gives Fortress XP™ improved load bearing and impact resistance.
Exceptional impact resistance
Fortress XP™ has industry-leading impact resistance. Loading point impact damage can be a
major cause of belt failure. Design engineers used an enhanced Dynamic Impact Tester to simulate
loading impact force and its effects on belting.
High transverse tear strength
The dual layer twill fabric design enables high transverse tear strength. This minimizes tears that
result from material punctures as well as edge tears from misaligned belts.
Superior rip resistance
Scrap metal or debris often get “hung up” in the structure of the conveyor, causing equipment
damage and slits or cuts in long sections of the belt. Our fabric design helps dislodge and expel
foreign objects and contains rips to a small area.
Enhanced mechanical fastener pull-out resistance
Rigorous dynamic and static testing means that Fortress XP™ belts will provide superior
mechanical fastener retention as compared with multi-ply and straight-warp constructions.
Vulcanized Finger Splice
A full carcass finger vulcanized splice is recommended for ContiTech Fortress XP™ belting. This
splice method takes advantage of the superior strength properties of the Fortress XP™ carcass
to offer 100% of the rated belt tension.

Fortress XP™ Conveyor Belt Data
Fortress XP
330/1
Fortress XP
440/1
Fortress XP
500/1
Fortress XP
625/1
Fortress XP
660/2
Fortress XP
880/2
Fortress XP
1000/2
Fortress XP
1250/2
Plies 1 1 1 1 2 2 2 2
Fabric Type* Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Dual Layer
Twill (P/N)
Average Permanent
Elongation (%)**
1.00% 1.20% 1.50% 1.50% 1.00% 1.20% 1.50% 1.50%
Step Length Finger
Splice
Finger
Splice
Finger
Splice
Finger
Splice
Finger
Splice
Finger
Splice
Finger
Splice
Finger
Splice
Recommended Fastener Plate BR6 BR6 BR10 BR10 BR10 BR14 NR NR
Hinge R5 R5 R5-1/2 R5-1/2 R5-1/2 R6 RAR8 RAR8
Hinge U35 U35 U35 U35 U35 U37/U37A U38A U38
Imperial
Vulcanized & Fastener Rating (PIW) 330 440 500 625 660 880 1000 1250
Nominal Carcass Gauge (in.) 0.130 0.140 0.164 0.181 0.270 0.305 0.357 0.389
Nominal Carcass Weight (lb./sq. ft.) 0.73 0.85 0.91 1.21 1.61 1.90 1.95 2.17
Approximate 1/32 in. Cover Weight
(lb./sq. ft.)
0.19 0.19 0.19 0.19 0.19 0.19 0.19 0.19
Average Elastic Modulus (PIW) 33,000 35,000 37,500 40,000 66,000 70,000 75,000 80,000
Metric
Vulcanized & Fastener Rating (kN/m) 58 77 88 110 116 154 175 219
Carcass Gauge (mm) 3.30 3.56 4.17 4.60 6.86 7.75 9.07 9.88
Carcass Weight (kg/sq.m) 3.56 4.15 4.44 5.91 7.86 9.27 9.52 10.59
Approx 1mm cover wt (kg/sq.m) 1.13 1.13 1.13 1.13 1.13 1.13 1.13 1.13
Elastic modulus (kN/m) 5,780 6,130 6,570 7,010 11,560 12,260 13,130 14,010
*P/N = Poly/Nylon. **Average permanent elongation values at 100% of rated belt tension are based on ISO 9856 test procedure. Consult your Sales Representative or Distributor for elastic
and total elongation calculations specific to each system based on Minuteman® calculations.

Fortress XP™ Load Support – Maximum Belt Width
Material Weight
0-40 lb./cu. ft.
(0-640 kg/cu. m)
41-80 lb./cu. ft.
(641-1280 kg/cu. m)
81-120 lb./cu. ft.
(1281-1920 kg/cu. m)
Over 120 lb./cu. ft.
(Over 1920 kg/cu. m)
Trough Angle 20 35 45 20 35 45 20 35 45 20 35 45
Inches
330/1
72 66 54 66 54 48 60 48 42 48 42 36
440/1 84 72 60 72 60 54 66 54 48 60 48 42
500/1 84 72 60 72 60 54 66 54 48 60 48 42
625/1 84 72 66 72 66 60 72 60 54 66 54 48
660/2 90 84 84 84 78 72 84 72 66 72 66 54
880/2 96 90 84 90 84 78 90 84 78 84 78 66
1000/2 102 96 96 96 84 84 96 84 78 84 78 72
1250/2 108 108 102 102 90 90 102 90 78 90 78 78
Millimeters
330/1 1830 1680 1370 1680 1370 1220 1520 1220 1070 1220 1070 910
440/1 2130 1830 1520 1830 1520 1370 1680 1370 1220 1520 1220 1070
500/1 2130 1830 1520 1830 1520 1370 1680 1370 1220 1520 1220 1070
625/1 2130 1830 1680 1830 1680 1520 1830 1520 1370 1680 1370 1220
660/2 2290 2130 2130 2130 1980 1830 2130 1830 1680 1830 1680 1370
880/2 2440 2290 2130 2290 2130 1980 2290 2130 1980 2130 1980 1680
1000/2 2590 2440 2440 2440 2130 2130 2440 2130 1980 2130 1980 1830
1250/2 2740 2740 2590 2590 2290 2290 2590 2290 1980 2290 1980 1980
On systems with troughing idler spacing greater than 5 ft. (1.5m) or idler roll gap greater than 1/2 in. (12.7mm), consult your Sales Representative or ContiTech.
Fortress XP™ Troughability Support – Minimum Belt Width
Idlers
Fortress XP
330/1
Fortress XP
440/1
Fortress XP
500/1
Fortress XP
625/1
Fortress XP
660/2
Fortress XP
880/2
Fortress XP
1000/2
Fortress XP
1250/2
Inches
20 Degree 18 18 18 18 24 30 30 36
35 Degree 24 24 24 24 30 36 36 42
45 Degree 24 30 30 30 36 42 42 48
Millimeters
20 Degree 460 460 460 460 610 760 760 910
35 Degree 610 610 610 610 760 910 910 1070
45 Degree 610 760 760 760 910 1070 1070 1220
If top cover and pulley cover are balanced (i.e., 3/16 in. x 3/16 in. or 4.7mm x 4.7mm) or less than 1/16 in. (1.5mm) differential (i.e., 3/16 in. x 5/32 in. or 4.7mm x 3.9mm), add 6 in. (152mm)
to the minimum belt width. 6 in. (152mm) narrower widths are possible if the belt is broken in for an extended period of time fully loaded. Consult your Sales Representative.
Additional break-in time is required when the belt has been stored prior to installation in ambient temperatures of less than 50°F (10°C).
								Fortress XP™ Belts
Elevator Data
Fortress XP™ Minimum Pulley Diameters
Fortress XP
330/1
Fortress XP
440/1
Fortress XP
500/1
Fortress XP
625/1
Fortress XP
660/2
Fortress XP
880/2
Fortress XP
1000/2
Fortress XP
1250/2
Inches
Over 80% Tension 18 20 20 22 24 30 36 36
60% - 80% Tension 16 18 18 20 20 24 30 30
40% - 60% Tension 14 16 16 18 18 20 30 30
Up to 40% Tension 12 14 14 16 16 18 24 24
Tails and Snubs 12 14 14 16 16 18 24 24
Millimeters
Over 80% Tension 460 510 510 560 610 760 910 910
60% - 80% Tension 410 460 460 510 510 610 760 760
40% - 60% Tension 360 410 410 460 460 510 760 760
Up to 40% Tension 300 360 360 410 410 460 610 610
Tails and Snubs 300 360 360 410 410 460 610 610
Note: The minimum cover for vulcanized splice is 1/8 in. (3.2mm). The recommended is maximum top to bottom cover ratio for one ply is 2:1 (i.e., is 1/4 in. x 1/8 in. or 4.5mm x 2.25mm)
and for two ply is 3:1 (i.e., is 3/8 in. x 1/8 in. or 9mm x 3mm). Above tables are based on top cover gauge equal or greater than the bottom (pulley) cover gauge.
Fortress XP™ Elevator Belt Data
Fortress XP
330/1
Fortress XP
440/1
Fortress XP
500/1
Fortress XP
625/1
Fortress XP
660/2
Fortress XP
880/2
Fortress XP
1000/2
Fortress XP
1250/2
Plies 1 1 1 1 2 2 2 2
Fabric Type* P/N P/N P/N P/N P/N P/N P/N P/N
Recommended Fastener Plate BR6 BR6 BR10 BR14 BR14 BR14 NR NR
Imperial
Vulcanized & Fastener Rating (PIW) 264 350 400 500 525 700 800 1000
Nominal Carcass Gauge (in.) 0.130 0.140 0.164 0.181 0.270 0.305 0.357 0.389
Spaced Industrial Max. Bucket
Projection (in.)
8 9 10 11 12 12 12 12
Continuous Industrial Max. Bucket
Projection (in.)
8 9 10 11 13 14 15 16
Metric
Industrial Service Tension Capacity
(kN/m)
46 61 70 88 92 123 140 175
Nominal Carcass Gauge (mm) 3.3 3.6 4.2 4.6 6.9 7.7 9.1 9.9
Spaced Industrial Max. Bucket
Projection (mm)
200 230 250 280 300 300 300 300
Continuous Industrial Max. Bucket
Projection (mm)
200 230 250 280 330 360 380 410
Fortress XP™ rated belt tension can exceed 100%, with a maximum of 150%, during starting and stopping conditions. Fastener size recommendation may vary due to cover thickness,
pulley diameters and system tension.
*P/N = Poly/Nylon