Key facts
- Manuals
- 2
- Languages
- EN
- Last added
- 2026-10-03
Featured MOYNO manuals
MOYNO Progressing Cavity Pump Maintenance and Troubleshooting
The manual explains the geometry of progressing cavity pumps, describing the rotor and stator design, cavity formation, and how these affect flow. It also outlines the three major application variables—abrasion, temperature, and viscosity—and their impact on pump performance.
Detailed sections cover failure analysis cases, recommended operating limits, and maintenance practices such as speed restrictions, pressure safeguards, and material selections for high‑temperature or abrasive service conditions.
Covers: Progressing Cavity Pump Geometry · Rotor Geometry · Stator Geometry · Cavities · Application Variables · Abrasive Characteristic Fluids
Moyno 2000 Pumps G4 Enhanced Feed Models Service Manual
The Moyno 2000 Pump is a progressing cavity pump designed for reliable, pulsation‑free positive‑displacement flow. This service manual provides detailed information on the G4 enhanced feed models, including nameplate data, model numbering, frame and type designations, and trim codes.
It covers all aspects of installation, piping, foundation, shaft alignment, water‑flush packing, operation procedures, routine maintenance, disassembly, and parts replacement. Safety cautions, troubleshooting charts, and parts lists are included to assist service technicians in keeping the pump running efficiently.
Covers: Introduction · Nameplate Data · Pump Rotation · Model Number Structure · Frame Size Designation · Type Designation
Latest MOYNO manuals
MOYNO Progressing Cavity Pump Maintenance and Troubleshooting
Service Manual 59 pages · 7.1 MB · ENThis guide provides maintenance and troubleshooting information for MOYNO progressing cavity pumps, covering geometry, wear, temperature, and viscosity effects.
Moyno 2000 Pumps G4 Enhanced Feed Models Service Manual
Service Manual 31 pages · 835 KB · ENService manual for Moyno 2000 Pumps G4 Enhanced Feed Models covering installation, operation, maintenance and troubleshooting.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in MOYNO manuals
What is the maximum design speed of the pump?
The pump’s maximum design speed is 419 rpm.
From: MOYNO Progressing Cavity Pump Maintenance and Troubleshooting
At what pressure does the safety switch shut off?
The high‑pressure safeguard is set to shut off at 80 psi.
From: MOYNO Progressing Cavity Pump Maintenance and Troubleshooting
What is the normal rotation direction of the Moyno 2000 pump?
Normal rotation of Moyno 2000 pumps is clockwise.
From: Moyno 2000 Pumps G4 Enhanced Feed Models Service Manual
What flow rate is recommended for water flushing of the packing?
Flow rate should be approximately ½ - 2 GPM.
From: Moyno 2000 Pumps G4 Enhanced Feed Models Service Manual