AT20 and ATL20 BRECO Open Length

AT20 and ATL20 BRECO® Open Length (M) Joined (V)

Polyurethane, steel reinforced, extruded open length – High Power AT Profile in metric pitch with trapezoidal toothform.

AT20 Belt widths (mm) Intermediate belt widths on request
32 50 75 100 150
AT20 (M/V) Available lengths
Standard delivery lengths (M) roll of 50m
Cut to lengths/lengths > 50m On request
Minimum length joined (V) 1,000mm
Standard material TPUST11)
Steel tension member (standard) x
E tension member
Stainless Steel or tension member o
PAZ x
PAR x
PAZ-PAR x
DL/DL-PAZ
DR/DR-PAZ
T/T- PAZ bmax=100 o

x Available
o Minimum purchase amount on request
– Not available
1) Further materials on request

Technical Specification

AT20 – Allowable tensile load
Belt width b (mm) 32 50 75 100 150
Tension member
Fadm(N)
M 7200 11200 16800 22400 32000
V 3600 5600 8400 11200 16000
Belt weight kg/m 0.307 0.48 0.72 0.96 1.423
T kg/m 0.38 0.60 0.9 1.2
ATL20 – Allowable tensile load
Belt width b (mm) 32 50 75 100
Tension member
Fadm(N)
M 9800 15400 23800 31500
Belt weight kg/m 0.35 0.55 0.84 1.11
ATL20 Belt widths (mm) Intermediate belt widths on request
32 50 75 100
ATL20 (M) Available lengths and versions
Standard delivery lengths (M) roll of 50m
Cut to lengths/lengths > 100m On request
Minimum length joined (V)
Standard material TPUST11)
Steel tension member (standard) x
E tension member
Stainless Steel or Aramid member o
PAZ x
PAR
PAZ-PAR
DL/DL-PAZ
DR/DR-PAZ
T/T- PAZ

Drive Type A

Type A AT20 (M/V) AT20-T (M/V) ATL20
Zmin 18 25 25
dmin 120 120 160

Drive Type B

Type B AT20 (M/V) AT20-T (M/V) ATL20
Zmin 25 25 25
dmin 180 180 250

Zmin = Minimum number of teeth. dmin= Minimum diameter (mm)