Mechanical Designs of Virginia, Inc.
Mechanical Designs of Virginia, Inc.
25582 Jeb Stuart Hwy.
Stuart, VA 24171
Phone: 276.694.7442
Fax: 276.694.7088
E-Mail: sales@mechanicaldesigns.com
Website: www.mechanicaldesigns.com
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Vertical or Horizontal Mounts for NEMA Motor Frames 182TC - 256TC
Adapter
Dimensional Drawing for 25 Series Pump/Motor Adapters
Unit of Measure
1 

Item #

Item Name

Pump Flange Style

Dimension A

Maximum Coupling Diameter

Length

25-47-2AA N/A 25 Series 2.001 Inch (in) Dimension A and 4.875 Inch (in) Length Pump/Motor Adapter N/A SAE AA 2 Bolt N/A 2.001 in N/A 4.875 in N/A 4.875 in
25-47-4AA N/A 25 Series 1.782 Inch (in) Dimension A and 4.875 Inch (in) Length Pump/Motor Adapter N/A USA 4F17 4 Bolt N/A 1.782 in N/A 4.875 in N/A 4.875 in
25-47-2/4A N/A 25 Series 3.251 Inch (in) Dimension A and 4.875 Inch (in) Length Pump/Motor Adapter N/A SAE A 2 & 4 Bolt N/A 3.251 in N/A 4.875 in N/A 4.875 in
25-47-2/4B N/A 25 Series 4.001 Inch (in) Dimension A and 4.875 Inch (in) Length Pump/Motor Adapter N/A SAE B 2 & 4 Bolt N/A 4.001 in N/A 4.875 in N/A 4.875 in
25-47-2/4C N/A 25 Series 5.001 Inch (in) Dimension A and 4.875 Inch (in) Length Pump/Motor Adapter N/A SAE C 2 & 4 Bolt N/A 5.001 in N/A 4.875 in N/A 4.875 in
25-57-2AA N/A 25 Series 2.001 Inch (in) Dimension A and 5.875 Inch (in) Length Pump/Motor Adapter N/A SAE AA 2 Bolt N/A 2.001 in N/A 4.875 in N/A 5.875 in
25-57-4AA N/A 25 Series 1.782 Inch (in) Dimension A and 5.875 Inch (in) Length Pump/Motor Adapter N/A USA 4F17 4 Bolt N/A 1.782 in N/A 4.875 in N/A 5.875 in
25-57-2/4A N/A 25 Series 3.251 Inch (in) Dimension A and 5.875 Inch (in) Length Pump/Motor Adapter N/A SAE A 2 & 4 Bolt N/A 3.251 in N/A 4.875 in N/A 5.875 in
25-57-2/4B N/A 25 Series 4.001 Inch (in) Dimension A and 5.875 Inch (in) Length Pump/Motor Adapter N/A SAE B 2 & 4 Bolt N/A 4.001 in N/A 4.875 in N/A 5.875 in
25-57-2/4C N/A 25 Series 5.001 Inch (in) Dimension A and 5.875 Inch (in) Length Pump/Motor Adapter N/A SAE C 2 & 4 Bolt N/A 5.001 in N/A 4.875 in N/A 5.875 in
25-67-2/4A N/A 25 Series 3.251 Inch (in) Dimension A and 6.875 Inch (in) Length Pump/Motor Adapter N/A SAE A 2 & 4 Bolt N/A 3.251 in N/A 4.875 in N/A 6.875 in
25-67-2/4B N/A 25 Series 4.001 Inch (in) Dimension A and 6.875 Inch (in) Length Pump/Motor Adapter N/A SAE B 2 & 4 Bolt N/A 4.001 in N/A 4.875 in N/A 6.875 in
25-67-2/4C N/A 25 Series 5.001 Inch (in) Dimension A and 6.875 Inch (in) Length Pump/Motor Adapter N/A SAE C 2 & 4 Bolt N/A 5.001 in N/A 4.875 in N/A 6.875 in
Unit of Measure
1