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Field Proven Drilling Mud Pumps
CME drilling mud pumps are available in F Series and PZ Series. All products are designed and manufactured in strict compliance with API Spec 7K, delivering high-pressure, steady-flow reciprocating performance for demanding drilling environments. Available in triplex and quintuplex configurations, our mud pumps feature rugged fluid ends, heavy-duty power ends and wear-resistant components to handle abrasive drilling mud, cuttings and high pressures.
Structural & Design Features
F‑series
- Classic EMSCO‑based design, globally universal structure.
- Standard stroke, stable performance, easy for field maintenance.
- High parts interchangeability, mature spare parts supply chain.
- Compact structure, suitable for conventional drilling conditions.
PZ‑series
- Enhanced heavy‑duty frame, higher strength and rigidity.
- Longer stroke & lower SPM to reduce wear on fluid end parts.
- Optimized crankshaft, bearing system, and lubrication for heavy continuous loads.
- Supports high‑pressure & high‑horsepower deepwell & extended‑reach drilling.
F Series Triplex Mud Pumps
PZ Series Triplex Mud Pumps
PAH-275/300 Triplex Mud Pumps
CPQ-2400 Quintuplex Mud Pump
F Series Mud Pump Technical Specification
API 7K Compliant | High-Performance Drilling Mud Pumps
| MODEL | F-500 | F-800 | F-1000 | F-1300 | F-1600 | F-1600HL | F-2200 |
|---|---|---|---|---|---|---|---|
| Max. Liner Size x Stroke | 6-3/4" x 7-1/2" | 6-3/4" x 9" | 6-3/4" x 10" | 7" x 12" | 7" x 12" | 7" x 12" | 9"x 14" |
| Power Rating | 500 HP @ 165 SPM |
800 HP @ 150 SPM |
1000 HP @ 140 SPM |
1300 HP @ 120 SPM |
1600 HP @ 120 SPM |
1600 HP @ 120 SPM |
2200 HP @ 105 SPM |
| Gear, Herringbone, Ratio | 4.286:1 | 4.185:1 | 4.207:1 | 4.206 : 1 | 4.206 : 1 | 4.206 : 1 | 3.512:1 |
| Lubrication | Pressure And Splash To All Moving Parts | ||||||
| Suction Inlet | 8" | 10" | 12" | 12" | 12" | 12" | 14" |
| Discharge Outlet | 4" – 5,000 PSI | 5" – 5,000 PSI | 5" – 5,000 PSI | 5" – 5000 PSI | 5" – 5000 PSI | 5-1/8" – 7500 PSI | 5-1/8" – 5000 PSI |
| Pinion Shaft Diameter | 5-1/2" | 7" | 7-3/4" | 8-1/2" | 8-1/2" | 8-1/2" | 9-1/2" |
| Keyway | 1-1/4" x 5/8" | 1-3/4" x 7/8" | 2" x 1" | 2" x 1" | 2" x 2" | 2" x 2" | 2-1/4" × 1-1/8" |
| Valve Pot | API #5 | API #6 | API #6 | API #7 | API #7 | API #7 | API #8 |
| Weight | 21,540 LB | 31,970 LB | 41,420 LB | 54,170 LB | 54,660 LB | 57,300 LB | 84,900 LB |
1. The above parameters are subject to change without notice, and our company reserves the final right of interpretation.
2. All models comply with API 7K standards.
2. All models comply with API 7K standards.
PZ Series Mud Pump Technical Specification
API 7K Compliant | High-Performance Drilling Mud Pumps
| Item | CPZ‑7 | CPZ‑8 | CPZ‑9 | CPZ‑11 | CPZ‑11HL | CPZ-14HL | CPQ-2400 |
|---|---|---|---|---|---|---|---|
| Mud Pump type | Triplex | Triplex | Triplex | Triplex | Triplex | Triplex | Quintuplex |
| Max. Input Power | 550 HP | 750 HP | 1000 HP | 1600 HP | 1600 HP | 2200 HP | 2400HP |
| Max. Working Pressure | 5000 PSI | 5000 PSI | 5000 PSI | 5000 PSI | 7500 PSI | 7500 PSI | 7500 PSI |
| Stroke | 7" (178 mm) | 8" (203 mm) | 9" (229 mm) | 11" (279.4 mm) | 11" (279.4 mm) | 14" (355.6 mm) | 11.8" (300 mm) |
| Max. Liner Diameter | 7" | 7" | 7" | 7" | 7" | 8" | 7.5" |
| Rated Pump Speed | 145 RPM | 145 RPM | 130 RPM | 115 RPM | 115 RPM | 105 RPM | 127 RPM |
| Gear Ratio | 4.625:1 | 4.50:1 | 4.483:1 | 4.38:1 | 4.38:1 | 3.969:1 | 8.668:1 |
| Max. liner pressure | 1364PSI | 1996PSI | 2639PSI | 3905PSI | 3905PSI | 2795PSI | 2597PSI |
| Suction Connection | 8" | 10" | 10" | 10" | 10" | 10" | 12" |
| Discharge Connection | 4" | 4" | 4" | 4" | 4" | 5-1/8" | 5-1/8" |
| Valve Size | API #7 | API #7 | API #7 | API #7 | API #6 | API #8.5 | API #7 |
| Net Weight (approx.) | 18,300 lbs | 22,000 lbs | 27,500 lbs | 38,800 lbs | 47,000 lbs | 86,400 lbs | 91,700 lbs |
1. The above parameters are subject to change without notice, and our company reserves the final right of interpretation.
2. All models comply with API 7K standards.
2. All models comply with API 7K standards.
How to Select the Right Drilling Mud Pump?
Both series fully comply with API 7K and can be customized to project requirements.F‑series = universal, economical, easy maintenancePZ‑series = heavy‑duty, long‑stroke, high‑pressure, long‑life
Our engineering team can help you select the optimal model based on well depth, pressure, flow, rig type, and operating environment.
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