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Pneumatic Engines

(Equipment / Material)
Model Number: ДАР
Condition: New
Location or Storage Country: Russia
Location: Russia / Serov
Service Engineering Support: Yes
Warranty: No
Price: Call for price
Description:
Designed for mining equipment drives. the advantage of this model is the presence of four pistons, the number of power parts is significantly reduced (consists of two cast-iron semi-blocks, a steel rotor, four pistons). The replacement of aluminum pistons with steel ones and the use of special locking, modified piston pins greatly increase the reliability of the piston group robots and increase the life of the engine.
Overview:

Pneumatic motors can be mounted on the machine at the end of the half block with two bolts on either side, through elongated bolts or using a flange.

Technical characteristics of air motors

DAR - 5C

DAR -14 C

Maximum power, kW

5

fifteen

Rated power kW

4

eleven

Rated speed, s-1

10

7

Maximum torque, N * m

110

360

Rated torque, N * m

90

300

Piston diameter mm

52

76

Piston stroke

36

48

Number of pistons

4

4

Number of piston strokes per revolution

6

6

Engine displacement, dm3 / rev

1.83

5.20

Diameter of distribution, mm

52

76

Length of exhaust windows, mm

28

35

Cylinder filling level

75

70

Specific air consumption, no more, Nm3 / kW.min

one

one

Noise level, no more, dB

80

86

The moment of inertia on the shaft, gm c2

0.20

1,2

Mechanical efficiency

0.94

0.94

Work resource, not less than an hour

1000

1000

Working pressure, MPa

0.500

0.500

Margin of safety

3

2.6

Oil spray lubrication in air, g / m3

0,100

0,100

Leakage, no more, Nm3 / min

0.4

0.1

Length mm

200

270

Width mm

140

200

Height mm

160

230

Weight kg

fifteen

33

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