High Pressure Grease Pumps
High-pressure grease pumps come in two working principles. Air-operated piston pumps — the SUREMATIC 18:1 with 2-liter reservoir, the Sure 881, and the 120 L drum unit — multiply shop air into pumping pressure and run as long as the compressor does. Electric pumps — the DZG at 25 MPa, the DS at 15 MPa, the SK-505BM at 14.7 MPa — feed timed central systems and hold line pressure between cycles.
Every number on this page is stated in a product title: pressure ratings, reservoir sizes, voltages. Nothing here is a marketing range — if a pump’s page says 25 MPa, that is the number the manufacturer states, and it is the number this page repeats.
These pumps overlap with neighboring categories: pail and bucket units, heavy-duty dual-line machines, and the Bijur Delimon brand family each have their own pages. This page covers the pressure class itself — what makes it, and what it is for.
Air Piston or Electric Progressive?
| Duty | Right class | Catalog examples |
|---|---|---|
| Continuous dispensing at the gun | Air piston pump | SUREMATIC 18:1, Sure 881 |
| Drum or pail transfer, high volume | Air drum/pail pump | 120 L unit, air bucket pump |
| Timed central system, long lines | Electric progressive | DZG 25 MPa, DS 15 MPa |
| Vehicle-mounted, battery bus | 24V/12V electric | DZGK, DC24V-B |
| Two-line plants, very long runs | Dual-line pump | BSB dual line |
Cataloged High-Pressure Pumps
| Catalog page | Stated spec |
|---|---|
| SM air grease pump (SUREMATIC) | 18:1 pneumatic piston, 2 L reservoir, 8 cc/stroke |
| Sure 881 air grease pump | Air-operated, portable |
| 120 L pneumatic grease pump | 16-gallon drum-mount air unit |
| Air bucket pump | Pneumatic pail dispenser |
| DZG electric lubricator | 25 MPa, 6 ml/min, 220/380V |
| DZGK electric pump | 24V/12V, vehicle systems |
| DC24V-B electric pump | 24V/12V progressive, 1-3 outlets |
| P203 replacement pump | Direct SKF Lincoln P203-compatible |
| DS electric grease pump | 15 MPa, 25 ml/min, SLR & progressive |
| SK-505BM electric pump | 14.7 MPa progressive, 24V DC, 0.4/1 L |
| BMB grease pump | Electric, centralized systems |
| BSB dual line pump | Two-line systems |
| Y6020 electric pump | Electric, centralized systems |
| Electric bucket pump | 5-gallon pail, workshop unit |
| Electric fluid transfer pump | 120V/12V/18V, pail transfer |
Neighboring pages go deeper on each duty: air grease pumps, electric grease pumps, bucket pumps, heavy-duty pumps, dual-line systems and the Bijur Delimon family; the grease pump hub routes the whole catalog.
How Much Pressure Do You Actually Need?
Discharge pressure is the defining spec of this category. A useful mental model: an air-operated pump multiplies inlet air pressure by its ratio. A 50:1 pump fed 100 psi shop air stalls near 5,000 psi of grease pressure; a 28:1 unit at the same air supply lands near 2,800 psi. Higher ratios exist for long lines, cold grease, and tightly packed bearing clearances. Needs sort roughly into three tiers:
- Light duty — bench and light equipment. Compact electric lubricators and low-ratio air pumps cover routine bearing greasing without overkill.
- Shops and fleets — standard pins and couplings. Mid-ratio air pumps in the few-thousand-psi class are the workhorses; they also drive bulk dispense from drums and pails.
- Heavy industry — long lines, centralized systems, stubborn points. High-ratio piston pumps (and dual-line pump sets such as the BSB 40 MPa unit) keep grease moving where a hand gun would stall.
One caution cuts across all tiers: every hose, coupler, and fitting downstream must be rated for the pump’s maximum output. Manufacturer documentation is explicit that running components below pump capability risks failure — matched ratings are part of the system, not an accessory. See our grease line, tubing and fittings selection guide for the downstream side.
High Pressure Grease Gun or High Pressure Pump?
Searches for “high pressure grease gun” and this category overlap heavily, and the answer depends on volume and duty. A quality hand or battery gun develops serious pressure at the coupler and is unbeatable for a few fittings a day; technique and choice guidance lives in the grease gun guide. When greasing becomes routine — dozens of fittings, multiple machines, or a fixed lubrication route — a pump takes over: continuous supply from a drum or reservoir, hose reach, and consistent pressure without arm work. Many shops run both: the pump as the station, a gun for mobile top-ups fed from the same bulk grease. For the bulk-station side, see the 55-gallon drum grease pump.
High-Pressure Grease Pump FAQ
How much pressure does my lubrication line actually need?
Pressure requirement grows with line length, point count and grease stiffness — NLGI 2 through a long progressive run needs more at the pump than the same grease through a two-meter hose at a gun. That is why the electric class here spans 14.7 to 25 MPa: short machine circuits sit at the bottom of the range, long multi-point lines at the top. Size from your machine’s lubrication diagram, not from a bigger-is-better instinct.
Air or electric for a workshop?
If a compressor already runs in the shop, an air piston pump is the simple answer — few wearing parts, no timers, and it dispenses as fast as the operator pulls the trigger. If lubrication must happen unattended on a schedule, electric progressive is the answer: a timer fires the pump, blocks divide the shot, and nobody walks the machine with a gun. Many plants run both — air at the bench, electric on the production machines.
Can I run one of these from a vehicle battery?
The 24V/12V class exists for exactly that: the DZGK and DC24V-B are vehicle-mount electrics that take the machine’s own battery bus, feeding onboard progressive circuits on trucks, harvesters and mobile equipment. Reservoir and outlet counts are on each product page; the SK-505BM at 14.7 MPa with 0.4 or 1 L reservoir is the compact end of that class.
Can one pump feed a whole production machine?
A progressive electric pump can, when it works with divider blocks: the pump delivers one metered shot and the blocks split it across every point in sequence, with the ZP-A and SSV families handling the distribution. For very long two-line plants — paper machines, large presses — the BSB dual-line class takes over, where each line alternates as pressure line and vent.
Is the P203 replacement a genuine Lincoln pump?
It is cataloged honestly as a direct-compatible replacement for the SKF Lincoln P203, which is a different claim than being the original. If your procurement requires the OEM part, say so in the inquiry and it is quoted as original; if a drop-in equivalent at the same mounting, voltage and pressure class is the goal, the replacement page carries the cross-reference.
How much pressure does a high pressure grease pump produce?
It follows the pump ratio times inlet air pressure: a 50:1 air pump on 100 psi shop air stalls near 5,000 psi; 28:1 near 2,800 psi. Electric lubricators and dual-line pump sets are rated in MPa — the BSB dual-line unit, for example, is a 40 MPa (≈5,800 psi) centralized supply. Match the rating to your lines and fittings, not just to the bearings.
Is a high pressure grease pump better than a grease gun?
Different jobs. A gun is the right tool for a handful of fittings and mobile work. A pump wins on volume: continuous grease supply from a drum or reservoir, longer reach, and steady pressure for routes and centralized systems. Most serious shops end up owning both.
Both drive families on this page deliver true high pressure grease pumps: air piston units multiply shop air at ratios up to 50:1, and electric piston units reach 40 MPa on drum-mounted installs. Pressure ratings for every unit are declared in the tables above.
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