DT 4 Series

Oil-less Rotary Vane Compressors


Photo showing a Becker DT 4.2 to DT 4.8 oil-less rotary vane compressor.

DT 4.2 - DT 4.8


Photo showing a Becker DT 4.6/0-61 oil-less rotary vane compressor.

DT 4.6/0-61


Photo of a Becker DT 4.10 or DT 4.16 oil-less rotary vane compressor.

DT 4.10, DT 4.16


Picture showing the typical design of a Becker DT 4.10 to DT 4.40 oil-less rotary vane compressor.

DT 4.10 - DT 4.40 Design


Photo showing a Becker DT 4.25 or DT 4.40 oil-less rotary vane compressor.

DT 4.25, DT 4.40


Photo of a Becker DT 4.40K/0-400 oil-less rotary vane compressor with a Variair frequency inverter.

DT 4.40K/0-400 with Variair


  Models

Standard Models

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Model Max. Flow
[cfm]
Max. Pressure
[psig]
Max. Motor Capacity
[hp]
Noise
[dB(A1)]
Weight
[lbs]
50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz
DT 4.2 1.1 1.4 8.7 8.7 0.12 0.14 53 55 15.4
DT 4.4 2.5 2.9 14.5 14.5 0.24 0.28 60 60.5 15.4
DT 4.6/0-61 3.4 3.8 7.3 7.3 0.24 0.28 67 69 15.4
DT 4.8 4.7 5.6 14.5 14.5 0.47 0.56 58 61.5 25.4
DT 4.10 5.9 7.1 14.5 14.5 0.50 0.60 60 62 35.3
DT 4.16 9.4 11.2 14.5 14.5 0.74 1.01 62 64 51.8
DT 4.25 K2) 14.7 17.7 14.5 14.5 1.48 1.74 65 67 80.5
DT 4.40 K2) 23.5 28.3 14.5 14.5 2.48 2.95 67 70 101.4

1) At medium load, both sides piped: DIN EN ISO 3744 (KpA = 3 dB(A))

2) K models include aftercoolers.


DT 4.25/0-80 and DT 4.40/0-80

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Model Max. Flow
[cfm]
Max. Pressure
[psig]
Max. Motor Capacity
[hp]
Noise
[dB(A1)]
Weight
[lbs]
50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz
DT 4.25/0-80 14.7 17.7 8.7 8.7 1.07 1.34 63 65 57.3
DT 4.40/0-80 23.5 28.3 7.3 7.3 1.68 2.01 65 68 84.9

1) At medium load, both sides piped: DIN EN ISO 3744 (KpA = 3 dB(A))


Variair Models

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Model Max. Flow
[cfm]
Max. Pressure
[psig]
Max. Motor Capacity
[hp]
Voltage*
[A]
Cycles
[Hz]
Speed
[rpm]
Motor Amp Rate
[A]
Fuse Protection
[A]
Weight
[lbs]
DT 4.40 K1)/0-400 25.0 14.5 2.95 400 ± 10% 30 - 60 ≤ 1660 ≤ 5.5 10 108

* Voltage on request.

1) K models include aftercoolers.


  Features

  • 100% Oil-less operation
  • Cool, quiet operation
  • Long vane life
  • Inlet filters standard
  • Discharge silencers
  • Low blast air temperature
  • Direct drive
  • Minimal maintenance
  • Continuous duty rated
  • Optional corrosion protection
  • Optional Variair frequency inverter

  Dimensions

DT 4.2 to DT 4.8


Use the above the image to change the perspective.

All measurements except foot mounting hole diameters are given in inches.



Drawing showing the dimensions of a Becker DT 4.2 to DT 4.8 oil-less rotary vane compressor from a top perspective.

Top View


Drawing showing the dimensions of a Becker DT 4.2 to DT 4.8 oil-less rotary vane compressor from a side perspective.

Side View


Drawing showing the dimensions of a Becker DT 4.2 to DT 4.8 oil-less rotary vane compressor from an end perspective.

End View


Drawing showing the dimensions of an optional carrying handle for a Becker DT 4.2/0-28 or a DT 4.8/0-28 oil-less rotary vane compressor.

Optional Handle
(DT 4.4/0-28 and DT 4.8/0-28 Only)

4) The size and position of capacitor can change with changed voltage/frequency!


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Position
Standard (Optional)
Description
P1 (P2) Pressure connection
P3 (P4) Pressure regulating valve
V1 (V2) Air nozzle

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Model Ø d2 e f (3~) f (1~) h1 h3 h4 h5 i (3~) i (1~) j k (3~) k (1~) o
DT 4.2 G 1/4 2.9 3.8 3.8 4.9 5.2 6.5 2.7 2.7 8.7 8.7 7.5
DT 4.4 G 1/4 2.9 3.8 3.8 4.9 5.2 6.5 2.7 2.7 8.7 8.7 7.5
DT 4.6/0-61 G 3/8 3.1 3.8 3.8 5.2 5.5 6.8 ≈5.6 2.7 2.7 ≈3.7 9.1 9.1 7.8
DT 4.8 G 3/8 3.1 3.8 4.5 5.2 5.5 6.8 ≈5.6 2.7 3.5 ≈3.7 9.1 9.9 7.8

DT 4.10 to DT 4.40K


Use the above the image to change the perspective.

All measurements except foot mounting hole diameters are given in inches.



Drawing showing the dimensions of a Becker DT 4.10 to DT 4.40K oil-less rotary vane compressor from a top perspective.

Top View


Drawing showing the dimensions of a Becker DT 4.10 to DT 4.40K oil-less rotary vane compressor from a side perspective.

Side View


Drawing showing the dimensions of a Becker DT 4.10 to DT 4.40K oil-less rotary vane compressor from an end perspective.

End View


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Model a b e e1 f f1 g g1 g2 h h1 h2 h3 i k k1 o o1 q
DT 4.10 6.3 4.4 1.4 7.9 5.6 8.1 3.5 3.5 4.2 6.9 7.7 4.2 15.2 16.9 10.1 4.8
DT 4.16 8.0 4.9 1.4 9.5 6.1 9.1 4.0 4.0 4.4 7.3 8.3 2.9 16.4 17.8 11.5 6.0
DT 4.25 K 8.7 7.5-8.2 5.1 10.2 9.4 12.9 4.9 6.8 5.5 8.9 10.2 11.4 5.1 19.9 21.5 2.2 7.0
DT 4.40 K 8.7 7.5-8.2 5.1 10.2 9.4 12.9 4.9 6.8 5.5 8.9 10.2 11.4 5.1 23.0 24.6 2.2 9.6

DT 4.25/0-80 and DT 4.40/0-80


Use the above the image to change the perspective.

All measurements except foot mounting hole diameters are given in inches.



Drawing showing the dimensions of a Becker DT 4.25/0-80 or DT 4.40/0-80 oil-less rotary vane compressor from a top perspective.

Top View


Drawing showing the dimensions of a Becker DT 4.25/0-80 or DT 4.40/0-80 oil-less rotary vane compressor from a side perspective.

Side View


Drawing showing the dimensions of a Becker DT 4.25/0-80 or DT 4.40/0-80 oil-less rotary vane compressor from an end perspective.

End View


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Model a b d1 e f f1 g g1/g2 h h1 h2 h3 i k k1 o q
DT 4.25/0-80 8.7 7.5-11 G3/4 1.6 10.2 9.4 10.2 4.9 5.5 8.9 9.8 11.4 3.8 18.3 19.9 11.9 6.8
DT 4.40/0-80 8.7 7.5-11 G3/4 1.6 10.2 9.4 11.0 4.9 5.5 8.9 9.8 11.4 5.2 20.9 22.5 14.3 7.6

DT 4.40/0-400


Use the above the image to change the perspective.

All measurements except foot mounting hole diameters are given in inches.



Drawing showing the dimensions of a Becker DT 4.40/0-400 oil-less rotary vane compressor with a Variair frequency inverter from a top perspective.

Top View


Drawing showing the dimensions of a Becker DT 4.40/0-400 oil-less rotary vane compressor with a Variair frequency inverter from a side perspective.

Side View


Drawing showing the dimensions of a Becker DT 4.40/0-400 oil-less rotary vane compressor with a Variair frequency inverter from an end perspective.

End View


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