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Reciprocating expanders DPV2-200/6-3M, DPV4.2-200/6-2

Reciprocating expanders DPV2-200/6-3M, DPV4.2-200/6-2

The DPV2-200/6-3M and DPV4.2-200/6-2 reciprocating expanders are designed to produce low temperatures by means of expansions of the compressed air.

The expanders are used in multimode stationary and mobile air-fractionating units of small capacity to produce nitrogen and oxygen.

Application

Reciprocating expander DPV2-200/6-3M

Reciprocating expander DPV4.2-200/6-2

Technical specifications

 

DPV2-200/6-3M

DPV4.2-200/6-2

Capacity,m3/h

140

250

Cold-productivity, W

4300

9000

Capacity adjustment, %

100–50

100-70

Initial pressure, MPa (kgf/cm2)

20 (200)

20 (200)

Outlet pressure,MPa (kgf/cm2)

0.5 (5)

0.5 (5)

Inlet air temperature, °С

from - (minus) 20 до +30

from 0 до +30

Temperature difference in expander, °С

130

139

Expander efficiency, %(min)

65

68

Crankshaft rotational speed, c-1(rpm)

6.66 (400)

6.66 (400)

Overall dimensions, mm, length

1100

1500

width

670

750

height

1410

1590

Weight of delivery set, kg

415

1100

The delivery scope includes service documents and compressor spare parts for warranty liability period.

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