ACCA 4AF050 Progressive Cavity Pump
Four-stage 050 configuration using the F drive end for supported Moyno® 4F050 G1 installations.
The 4AF050 combines the 050 pumping element with an F drive end in a four-stage configuration and matching 6-inch process connections.
4AF050 at a Glance
4 Stages
Four-stage 050 arrangement.
F Drive End
F-family drive end.
050 Element
Element 050 reference available.
6 in × 6 in
Matching process flanges.
Understanding the 4AF050 Model Code
4 · Pressure Class
Four-stage configuration rated up to 350 psi.
F · Drive End
F drive end rated up to 5.9 HP per 100 RPM.
050 · Pumping Element
48.0 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. Confirm the complete nameplate and operating duty before selecting replacement components.
4AF050 Dimensions and Installation Envelope
The 4AF050 measures 113.50 inches at A, 84.50 inches at B and weighs approximately 835 lb.
| Model | A | B | D | E | H | W | Suction | M | Discharge | M1 | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4AF050 | 113.50 | 84.50 | 7.00 | 14.00 | 2.12 | 10.00 | 6 in | 11.00 | 6 in | 11.00 | 835 lb |
Dimensions in inches unless noted. Verify final installation dimensions against order documentation.
4AF050 Performance Curve
Element 050 Performance Curve
View or download the Element 050 performance curve for capacity, speed and operating-reference information used when evaluating the 4AF050.
Performance and Selection
The Element 050 reference includes 4F050. Review flow, differential pressure, fluid properties, suction conditions and speed. Use 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® F Drive End?
ACCA supports aftermarket F drive-end and 050 pumping-element service parts.
Specify an ACCA 4AF050
Send the complete 4F050 G1 nameplate and operating conditions for replacement review.
Engineering Context for the 4AF050
The 4AF050 uses the 050 element at 48.0 GPM per 100 RPM with the F drive end rated to 5.9 HP per 100 RPM. Its four-stage 350 psi class combines moderate displacement with substantially greater pressure capability than one- or two-stage 050 models.
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.