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Energy tube R4.38L | Completely closed: openable from both sides along the inner and outer radii | Inner height: 38mm
Inner height hi: 38 mmInner width Bi: 50-250mmBend radius R: 125-300mmPitch: 56mm30% lighter than comparable R4.1 sizesVery cost-effective: strong and light due to optimised e-chain® link design
Part No.
Inner width [Bi] [mm]
Bend radius [R] [mm]
Inner height [Hi]
38 mm
Max. cable diameter
34 mm
Opening principle
Can be opened along the inner and outer radius
Selection Info
Purchase method
Assembled PartsFully assembled chain (Including the separators)
Installation type
unsupported
Bracket
KMA, pivotingR4.380.050.1.12.A
Bracket Type
without C-profile
Mounting variant
A3
Dimensions
Fold
Inner height [Hi] [mm]
38 Fold
Inner width [Bi] [mm]
50 Fold
Outer height Ha [mm]
54 Fold
Outer width [Ba] [mm]
66 Fold
Bend radius [R] [mm]
125 Fold
Pitch [mm]
56 Fold
Chain links per metre
18 Fold
Max. cable diameter [mm]
34 Fold
H [mm]
304 Fold
D [mm]
236 Fold
K [mm]
505 Fold
H2 [mm]
96 Fold
D2 [mm]
470 Fold
K2 [mm]
804 Fold
DeltaHF [mm]
40 Fold
Velocity FLG unsupported max. [m/s]
20 Fold
Acceleration FLG max. [m/s²]
200 Fold
Maximum unsupported length [m]
2.75 Fold
Maximum long travel [m]
80 Fold
General properties
Fold
Opening principle
Can be opened along the inner and outer radius Fold
maximum fill weight [kg/m]
14 Fold
Colour
black Fold
Energy chain system
R4.1L Fold
Shipping weight (kg or kg/m)
1.26216 Fold
CO2 equivalent per piece [kg]
0.423 Fold
Temperature e-chain min. [°C]
-40 Fold
Temperature e-chain max. [°C]
120 Fold
Dynamic information
Fold
v max. unsupported (speed) [m/s]
20 Fold
v max. gliding (speed) [m/s]
5 Fold
Additional information and diagrams
Fold
Unsupported length dependent on fill weight
X-axis: unsupported length in m FLB/FLG
Y-axis: fill weight in kg/m
Scale below: travel S in m
FLB = unsupported with permitted sag
FLG = unsupported with straight upper run
Reference example A:
Fill weight = 2 [kg/m]
Unsupported length FLB = 2.3m
Travel = 4.6m
A=moving end, B=fixed end
Pitch: 56mm per link
Chain links per m: 18
Travel: S
Chain length = S/2 + K
From 5 m to max. 80 m
Chain length = S/2+K2
Long travel - gliding (up to max. 80 m)
Here the e-chain® is used with the upper run gliding on the lower run. We recommend letting our engineers support you when planning this type of system. In case of travel lengths between 10m and 12m, we recommend a larger unsupported e-chain®.
A1 = moving end
A2 = fixed end
A3 = Guide trough with glide bar
A4 = Guide trough without glide bar
A5 = Total length of the guide trough
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