Denison Premier Series P12 Piston Pump Parker P12H P12Q Hydraulic Pumps
Denison Premier Series P12 Piston Pump Parker P12H P12Q Hydraulic Pumps
- Product Details
Parker Denison P12 Premier Pump: High-Volume Hydraulics for Underground Mining
Deep underground, where roof supports, continuous miners, and haulage systems operate non‑stop, hydraulic pumps face a brutal reality: high pressure, extreme contamination, and the constant risk of explosive gases. The Denison P12 Premier pump—available as P12H and P12Q—is built to master this environment. With a displacement of 200 cm³/rev and continuous pressure up to 500 bar (7250 psi intermittent), the P12 delivers the high flow and ruggedness that mining machinery demands.
📊 Technical Data – Denison P12 Premier Pump
| Parameter | P12H / P12Q |
|---|---|
| Max. Displacement | 200 cm³/rev |
| Continuous Pressure | 414 – 500 bar |
| Intermittent Pressure | 6000 – 7250 psi |
| Speed Range @ Full Stroke | 2100 – 2700 rpm |
| Warranty | 12 months |
| Support | Remote video engineering; free parts within warranty |
| Technical PDF | www.baolilai-pump.com/contact_us/ |
⛏️ Why Mining Machinery Chooses the P12 Premier Pump
Massive Flow for Big Jobs
The P12 hydraulic pump 200 cc/rev displacement moves large volumes of oil at moderate speeds (2100–2700 rpm). This makes it ideal for:
Roof support systems that require simultaneous cylinder extension across dozens of legs.
Continuous miner traction drives needing high torque at low speed.
Longwall shearer pumps that supply both cutting drums and conveyor drives.
Two Variants for Different Duties
P12H: Optimized for high‑torque, lower‑speed applications (2100–2400 rpm) – perfect for crawler drives and heavy‑duty conveyors.
P12Q: Tuned for higher speed (2400–2700 rpm) – suited for fan drives, auxiliary circuits, and equipment requiring faster cycle times.
Pressure & Explosion Protection
The gold cup rotating group absorbs 7250 psi spikes when a shearer hits a hard seam or a roof leg jams. Spark‑resistant internals and sealed housings meet ATEX/MSHA standards, making the P12H and P12Q safe for gassy coal mines.
Survives the Underground
Contamination defense: Double shaft seals keep coal dust, rock slurry, and water out.
Thermal stability: –30°C to 115°C range – reliable in frozen drifts or deep hot stopes.
Vibration tolerance: Floating valve plate handles the constant pounding from continuous miners.
🚜 Applications Across Mining & Heavy Industry
| Equipment | Recommended Model | Key Benefit |
|---|---|---|
| Roof supports (longwall) | P12H | High flow for simultaneous leg extension |
| Continuous miners | P12H | High torque for crawler drives |
| Shearer pumps | P12Q | Speed flexibility for drum and conveyor circuits |
| Underground haul trucks | P12Q | Fast cycle times for dump hoists |
Official manufacturer resources: atlascopco.com | epiroc.com | sandvik.com
🛠️ What You Get – Baolilai Support Package
12‑month warranty – covers pistons, cylinder block, valve plate, seals, bearings.
Free replacement parts – within warranty, we ship failed components at no cost (local labor not included).
Remote video support – factory engineers guide installation, troubleshooting, and repair via video call.
Extreme environment toughness – field‑proven in underground mines worldwide.
FAQ – Denison P12 Premier Pump
Q1: What’s the difference between P12H and P12Q?
P12H: 2100–2400 rpm, higher torque at lower speed (best for traction and conveyor drives).
P12Q: 2400–2700 rpm, higher flow for auxiliary and faster‑cycling circuits.
Download the selection guide at www.baolilai-pump.com/contact_us/.
Q2: How does the free parts replacement work?
Within 12 months, if a covered part fails, send us evidence (photo/video). We verify and ship the replacement free. Remote video support helps your mechanic install it.
Q3: Why is 500 bar continuous pressure important for mining?
Roof supports and shearers operate at maximum pressure for hours. A 500 bar‑rated pump maintains full force; lower‑rated pumps lose efficiency or fail under continuous high load.
Q4: Can the P12 hydraulic pump run on fire‑resistant fluids?
Yes – with optional FKM seals, it handles HFC (water‑glycol) and HFD (phosphate ester) fluids used in underground mines.
Q5: Where can I find official service manuals for my Epiroc or Sandvik equipment?
Visit epiroc.com (Technical Support), sandvik.com (Parts & Services), or atlascopco.com (legacy).
Summary
The Denison P12 Premier pump (P12H, P12Q) delivers 200 cc/rev, up to 500 bar continuous pressure, and a 2100–2700 rpm speed range. Engineered for the harshest mining applications—roof supports, continuous miners, shearers, and haul trucks—it withstands pressure spikes, explosive dust, and extreme temperatures. Backed by a 12‑month warranty, free replacement parts, and remote video support, it’s the high‑volume hydraulic solution you can trust. Download the full technical datasheet at www.baolilai-pump.com.
Specificatio








| Internal Number | Nameplate Model |
| 022836940 | P12H2L1DC1000 |
| 022850050 | P12H2L1DC10M0 |
| 022-83363-0 | P12H2L1DJ10C0 |
| 022833630 | P12H2L1DJ10C0 |
| 022838510 | P12H2L1DL1000 |
| 022838500 | P12H2L1DL10A0 |
| 022837670 | P12H2L1DL10M0 |
| 022873485 | P12H2L5DC5000 |
| 022826170 | P12H2R1DC1000 |
| 022832840 | P12H2R1DC10B0 |
| 022-82615-0 | P12H2R1DC10M0 |
| 022826150 | P12H2R1DC10M0 |
| 022873830 | P12H2R1DC50B0 |
| 022845400 | P12H2R1DE1PM0 |
| 022844300 | P12H2R1DE5000 |
| 022837110 | P12H2R1DH1PB0 |
| 022843390 | P12H2R1DJ10C0 |
| 022852040 | P12H2R1DK1000 |
| 022-86585-0 | P12H2R1DK10B0 |
| 022865850 | P12H2R1DK10B0 |
| 022849410 | P12H2R1DL1000 |
| 022833410 | P12H2R1DL10M0 |
| 022-86538-0 | P12H2R1DM10B0 |
| 022865380 | P12H2R1DM10B0 |
| 022877790 | P12H2R1DW5000 |
| 022826175 | P12H2R5DC1000 |
| 022830700 | P12H3L1DC1000 |
| 022850810 | P12H3L1DC10B0 |
| 022826160 | P12H3L1DC10M0 |
| 022849180 | P12H3L1DE1KC0 |
| 022849190 | P12H3L1DE1KD0 |
| 022831140 | P12H3L1DK10C0 |
| 022831150 | P12H3L1DK10E0 |
| 022831160 | P12H3L1DK10M0 |
| 022840590 | P12H3L1DL1000 |
| 022830810 | P12H3L1DL10C0 |
| 022885720 | P12H3L1DL10M0 |
| 022838240 | P12H3L1DM10C0 |
| 022831020 | P12H3L1DM10M0 |
| 022848800 | P12H3R1DC1000 |
| 022831520 | P12H3R1DC10C0 |
| 022840710 | P12H3R1DC10E0 |
| 022840720 | P12H3R1DC10M0 |
| 022832770 | P12H3R1DK10E0 |
| 022-86155-0 | P12H3R1DL1000 |
| 022861550 | P12H3R1DL1000 |
| 022848140 | P12H3R1DL10C0 |
| 022-83373-0 | P12H3R1DM1000 |
| 022833730 | P12H3R1DM1000 |
| 022851290 | P12H3R1DW1000 |
| 022832640 | P12H3R1DW10M0 |
| 022-84880-5 | P12H3R5DC1000 |
| 022848805 | P12H3R5DC1000 |
| 022840715 | P12H3R5DC10E0 |
| 022840725 | P12H3R5DC10M0 |
| 022854065 | P12H3R5DC50E0 |
| 022854075 | P12H3R5DC50M0 |
| 022851875 | P12H3R5DE1P00 |
| 022851885 | P12H3R5DE1PE0 |
| 022848575 | P12H6R5DC1000 |
| 022872690 | P12Q2L1DC1000 |
| 022883770 | P12Q2L1DC8000 |
| 022-83100-0 | P12Q2L1DJ10C0 |
| 022831000 | P12Q2L1DJ10C0 |
| 022871704 | P12Q2L4DC5000 |
| 022866984 | P12Q2L4DK1000 |
| 022826240 | P12Q2R1DC1000 |
| 022832550 | P12Q2R1DC10B0 |
| 022838720 | P12Q2R1DC2000 |
| 022846460 | P12Q2R1DE10B0 |
| 022850930 | P12Q2R1DE10C0 |
| 022881010 | P12Q2R1DE1P00 |
| 022837720 | P12Q2R1DE1PB0 |
| 022863160 | P12Q2R1DE5PA0 |
| 022-83101-0 | P12Q2R1DJ10C0 |
| 022831010 | P12Q2R1DJ10C0 |
| 022882400 | P12Q2R1DJ5000 |
| 022833780 | P12Q2R1DK1000 |
| 022826244 | P12Q2R4DC1000 |
| 022872564 | P12Q2R4DC10C0 |
| 022847864 | P12Q2R4DC20C0 |
| 022837004 | P12Q2R4DC5000 |
| 022833784 | P12Q2R4DK1000 |
| 022838725 | P12Q2R5DC2000 |
| 022837005 | P12Q2R5DC5000 |
| 022836950 | P12Q3L1DC10E0 |
| 022843550 | P12Q3L1DE1KB0 |
| 022-83112-0 | P12Q3L1DK10C0 |
| 022831120 | P12Q3L1DK10C0 |
| 022842330 | P12Q3L1DL10B0 |
| 022842340 | P12Q3L1DL10C0 |
| 022884210 | P12Q3L1DM10C0 |
| 022884200 | P12Q3L1DM10M0 |
| 022868485 | P12Q3L5DE1PC0 |
| 022845470 | P12Q3R1DC2000 |
| 022830990 | P12Q3R1DK10E0 |
| 022-85923-0 | P12Q3R1DL50M0 |
| 022859230 | P12Q3R1DL50M0 |
| 022851280 | P12Q3R1DW1000 |
| 022855415 | P12Q3R5DC1000 |
| 022868495 | P12Q3R5DE1PE0 |





