Technical Specifications
| Parameter | Specification |
|---|---|
| Pump Type | Horizontal Triplex Single-Acting Piston Pump |
| Power Range | 500 HP – 1,600 HP (373 kW – 1,193 kW) |
| Max Working Pressure | Up to 5,000 PSI (34.5 MPa) with appropriate liner |
| Max Flow Rate | Up to 1,470 GPM (5,560 L/min) depending on liner size |
| Pump Speed Range | 100 – 120 SPM |
| Liner Size Range | 4.5″ to 7.0″ (114 mm – 180 mm) |
| Suction Connection | 12″ Flanged |
| Discharge Connection | 5″ Flanged, API 7K compliant |
| Frame Construction | Heavy-duty steel skid, single or dual skid configuration |
| Mounting Types | Standard skid / trailerized option available |
| Drive Options | Diesel engine or electric motor (AC/DC, VFD ready) |
| Operating Temperature | -20°C to +50°C |
| Certifications | API 7K, API Q1, ISO 9001:2015 |
| Optional Features | Weatherproof housing, sound enclosure, VFD panel, remote monitoring |
Key Applications
Mine Rescue & Emergency Dewatering
When a mine flooding accident occurs, every minute counts. Our skid-mounted pumps can be airlifted, trucked, or trailer-towed to the site and brought online within hours. In real-world rescue operations, rapid-deployment pumping systems have proven critical for lowering water levels to access trapped personnel.The self-priming capability eliminates the need for complex suction line setups in chaotic rescue environments.
Open-Pit Dewatering
Surface mines face sudden heavy rainfall that can flood haul roads and pit floors within hours.Our trailer- or skid-mounted diesel pump sets can be repositioned as working areas evolve, ensuring continuous drainage without reliance on fixed electrical infrastructure.
Underground Mine Drainage
In deep mines, consistent and reliable dewatering is essential for safe working conditions. The compact skid design fits through standard mine passages, while the rugged construction handles abrasive water containing rock fines without frequent maintenance.
Tunneling & Civil Construction
Long-wall tunneling projects and underground construction sites accumulate groundwater that must be continuously removed. Our units support 24/7 operations with minimal downtime.
Slurry Transfer & Tailings Management
Beyond clear water, our mud pumps efficiently transfer thick mineral slurries, tailings, or process water in even the toughest conditions.
Why Choose SJ Petroleum Machinery?
Proven Heritage, Global Standards
SJ Petroleum Machinery Co., Ltd. is a world-renowned manufacturing base for petroleum drilling and production equipment, with a comprehensive product portfolio covering drilling rigs, workover rigs, cementing units, fracturing equipment, offshore units, and high-pressure fluid control products across 200+ models.
Certifications You Can Trust
We hold API 4F, 7K, 8C, 16C, and 6A monograms, along with ISO 9001:2015 certification. Our pumps are designed and manufactured in strict compliance with API 7K specifications—the global benchmark for drilling and well-servicing equipment.
Field-Proven Reliability
SJ equipment has been deployed in some of the world's most challenging environments—from the mountainous shale gas fields of Southwest China to extreme desert and high-altitude mining operations.Our mud pumps have run continuously for extended periods under heavy load, delivering the durability you need when failure is not an option.
One-Stop Solution Provider
As a Sinopec Group subsidiary, we offer complete, integrated solutions—not just standalone pumps. Our team provides pre-sale engineering consultation, custom design, manufacturing, factory testing, on-site commissioning, and lifelong after-sales support.
Global Export Experience
With decades of international trade experience, our logistics team ensures safe, timely delivery to any global destination. Sea-worthy packaging, customs documentation, and shipping coordination are all handled professionally.
Frequently Asked Questions (FAQ)
Q1: Can these pumps handle water with high solids content, like sand or rock fines?
Absolutely. Our mud pumps are specifically designed for abrasive fluids. We offer hardened liners, piston options, and valve configurations that withstand solids-laden water common in mining dewatering applications.
Q2: How quickly can a skid-mounted pump be deployed on site?
Typically within 2–4 hours from arrival. Because the entire system—pump, motor/engine, piping, valves, and control panel—is pre-assembled and factory-tested, you simply position the skid, connect suction/discharge lines, provide power, and start pumping. No complex field fabrication required.
Q3: Can I customize the pump to my specific flow and head requirements?
Yes. Our engineering team works with you to select the optimal liner size, power configuration, and pump speed to match your exact duty point. All units are built-to-order based on your application data.
Q4: What are the power options available?
We offer three primary configurations: (1) diesel engine drive with transmission (best for remote, off-grid sites), (2) electric motor drive (AC or DC, VFD-ready), and (3) dual-drive hybrid options. Choose based on your site’s power availability.
Q5: What after-sales support do you provide?
Comprehensive support including: 24/7 technical hotline, spare parts inventory with global shipping, on-site commissioning and training, routine maintenance guidance, and warranty coverage. We treat every customer as a long-term partner, not just a buyer.
Q6: Are your products certified for international markets?
Yes. Our products meet API, ISO, and ASTM standards. All welds follow ANSI/AWS D1.1 specifications. We can also arrange third-party inspections (SGS, BV, etc.) per your request.
Q7: What is the typical lead time for an order?
Standard lead time is 60–90 days from order confirmation and technical approval. Rush orders can be discussed based on current production schedule.
Q8: Do you provide custom color or branding options?
Yes. We can paint units in your corporate colors and add custom decals or labeling as requested.









