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Field Proven PZ Series Mud Pumps
CME PZ Series Mud Pumps are available in two pressure ratings: 5,000 PSI and 7,500 PSI. All products are designed and manufactured in strict compliance with API Spec 7K, delivering high-pressure, steady-flow reciprocating performance for demanding drilling environments. 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
- 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.
Product Lineup
Power rating: 275 HP – 2400 HP | Pressure: 5,000 PSI / 7,500 PSI
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.
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