Nachi
Nachi VDR22 Design Series Variable Volume Vane Pump
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Technical Datasheets / Product Documentations
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
