Nachi VDR22 Design Series Variable Volume Vane Pump

Single Pump

 

Model No.

Capacity cm3/rev

No-load Discharge Rate ?/min

Pressure Adjustment Range  MPa{kgf/cm2}

Allowable Peak Pressure MPa{kgf/cm2}

Revolution Speedmin-1

Weight kg

1000min-1

1200min-1

1500min-1

1800min-1

Min.

Max.

VDR-1A(B)-1A2-22

1A3

1A4

1A5

 

 

16.7

 

 

16.7

 

 

20

 

 

25

 

 

30

1.5 to 3.5 {15.3 to 35.7}

3  to  7  {30.6 to 71.4}

6.5 to 10.5 {66.3 to 107}

9  to 14  {91.8 to 143}

14

{143}

 

 

800

 

 

1800

 

 

9

21

{214}

VDR-1A(B)-2A2-22

2A3

 

22

 

22

 

27

 

33

 

40

1.5 to 3.5 {15.3 to 35.7}

3  to  7  {30.6 to 71.4}

14

{143}

 

800

 

1800

 

9

Double Pump

Model No.

Vent Side

Shaft Side

Vent Side

Shaft Side

Revolution Speedmin?1

 

Weight kg

Foot Mounting Type (Flange Mounting Type)

Discharge Rate ?/min

Pressure Adjustment Range MPa{kgf/cm2}

Discharge Rate ?/min

Pressure Adjustment Range  MPa{kgf/cm2}

Allowable Peak Pressure MPa{kgf/cm2}

 

Min.

 

Max.

VDR-11A(B)-1A2-1A2-22 VDR-11A(B)-1A2-1A3-22

 

 

30

1.5 to 3.5

{15.3 to 35.7}

 

 

30

1.5 to  3.5 {15.3 to 35.7}

3    to  7    {30.6 to 71.4}

 

14

{143}

 

 

800

 

 

1800

 

 

17

 

VDR-11A(B)-1A3-1A3-22

3 to 7

{30.6 to 71.4}

 

3    to  7    {30.6 to 71.4}

VDR-11A(B)-2A2-2A2-22 VDR-11A(B)-2A2-2A3-22

 

 

40

1.5 to 3.5

{15.3 to 35.7}

 

 

40

1.5 to  3.5 {15.3 to 35.7}

3    to  7    {30.6 to 71.4}

 

14

Variable Volume Vane Pump