ACCA 2AJ345 Progressive Cavity Pump
Two-stage 345 configuration using the J drive end for supported Moyno® 2J345 G1 installations.
The 2AJ345 combines the 345 pumping element with the J drive end in a two-stage arrangement and matching 10-inch process flanges.
2AJ345 at a Glance
2 Stages
Two-stage 345 arrangement.
J Drive End
J-family drive end.
345 Element
Element 345 reference available.
10 in × 10 in
Matching process flanges.
Understanding the 2AJ345 Model Code
2 · Pressure Class
Two-stage configuration rated up to 175 psi.
J · Drive End
J drive end rated up to 28.0 HP per 100 RPM.
345 · Pumping Element
340.0 GPM per 100 RPM.
G1 · Pump Type
Standard G1 configuration.
Additional Nameplate Configuration Codes
The remaining nameplate characters identify the body material, internal material, stator material, sealing arrangement, shaft/internal variation and rotor variation. Stator material options include Nitrile, Urethane, Natural Rubber, EPDM, Fluoroelastomer and special materials selected for the application. Confirm the complete nameplate before selecting replacement components.
2AJ345 Dimensions and Installation Envelope
The 2AJ345 measures 140.21 inches at A, 99.33 inches at B and weighs approximately 2,395 lb. It is substantially longer than the single-stage 1AJ345 while retaining the J drive end.
| Model | A | B | D | E | H | W | Suction | M | Discharge | M1 | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2AJ345 | 140.21 | 99.33 | 11.00 | 21.50 | 3.38 | 15.00 | 10 in | 16.00 | 10 in | 16.00 | 2,395 lb |
Dimensions in inches unless noted. Verify final installation dimensions against order documentation.
2AJ345 Performance Curve
Element 345 Performance Curve
View or download the Element 345 performance curve for capacity, speed and operating-reference information used when evaluating the 2AJ345.
Performance and Selection
The Element 345 reference includes 2J345. Review required flow, differential pressure, viscosity, solids, temperature, suction conditions and speed. Use system pressure protection and avoid dry running.
Stator Material Options
Available stator materials include Nitrile, Urethane, Natural Rubber, EPDM, Fluoroelastomer, and special application materials. Final material selection should be based on fluid compatibility, temperature, abrasion, and operating conditions.
Need Parts for a Moyno® J Drive End?
ACCA supports aftermarket J drive-end and 345 pumping-element service parts.
Specify an ACCA 2AJ345
Send the complete 2J345 G1 nameplate and operating conditions for replacement review.
Engineering Context for the 2AJ345
The 2AJ345 combines 340.0 GPM per 100 RPM displacement from the 345 element with the J drive end rated to 28.0 HP per 100 RPM. Its two-stage 175 psi class adds pressure capability to a very high-displacement element, making suction and power checks critical.
Technical Resources
2000 Series · Cross Reference · Nameplate Guide · Applications
Moyno® is a registered trademark of its respective owner. ACCA Pumps is not affiliated with or endorsed by Moyno. Brand and model references are used solely to identify aftermarket compatibility and replacement applications.