Graco Fire-Ball 425 75:1 Grease Pump, 400 lb Stationary RAM Package #244906
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| Part Number | 244906 |
| Package Type | Fire-Ball 425 75:1 grease pump package — Stationary RAM (400 lb) |
| Ratio | 75:1 |
| Pump Part Number | 239730 (Fire-Ball 425 75:1 pump, 400 lb drums) |
| Package Working Pressure | 4,000 psi (276 bar / 27.6 MPa) — stated for this package in the manual |
| Maximum Package Air Pressure | 53 psi (0.4 MPa, 3.7 bar) |
| Instruction Manual | 309345 (Rev H, Feb 2020) |
| Package Weight (approx., shipped) | 488.9 lb |
| UPC | 633955648913 |
| Ram Assembly | 257435 |
| Ram Adapter Kit | 224266 |
| Ram Plate Seal Kit | 247335 |
| Pump Mount Kit | 247337 |
| Dispense Kit | 222076 — rated 4,000 psi (276 bar) |
| Fluid Hose | 3/8 in. × 6 ft (hose 109163) |
| Coupled Air Hose | 205418 (6 ft) |
| Fittings | 155470 / 155494 |
| Air Hose | 1/2 in. × 6 ft |
| Air Inlet / Fluid Outlet | 1/2 in. NPT(F) / 3/8 in. NPT(F) |
| Air Regulator | 244844 (1/2 in. NPT, with gauge) |
| Pump Maximum Fluid Working Pressure | 7,500 psi (517 bar / 51.7 MPa) |
| Air Motor Effective Diameter | 4.25 in. (108 mm) |
| Free Flow Rate @ 100 psi | 6.5 lb/min (2.9 kg/min) approximate |
| Continuous Duty Flow Rate | 1.95 lb/min (0.88 kg/min) |
| Output per Cycle / Cycles per Pound | 0.71 oz (20 g) / 22.7 |
| Pump Air Operation Range | 40 psi to 100 psi (pump rating) |
| Annual Usage Rating | 20,000+ lb (9,072+ kg) |
| Typical Fluid | Grease up to NLGI #2 |
Graco Fire-Ball 425 75:1 Grease Pump, 400 lb Stationary RAM Package #244906
The Graco #244906 is the Fire-Ball 425 75:1 stationary RAM package for 400 lb (180 kg) drums — the pressure-dense forced-feed configuration for the hardest greases and the longest lines. The ram (assembly 257435) drives the follower plate down the drum under air pressure so the pump never starves: extreme-viscous grease, reduced waste, high-volume pumping and clean drum changes are Graco's own RAM bullets. Pair that with the 75:1's 22.7 cycles per pound and this is the system for cold rooms, hard NLGI #2, and remote dispense points.
On the numbers, stated explicitly for this package in manual 309345H: 4,000 psi (276 bar) maximum fluid working pressure at 53 psi maximum air. Behind it, the 75:1 Fire-Ball 425: 6.5 lb/min free flow, 1.95 lb/min continuous duty, 0.71 oz per cycle, 4.25 in. air motor, up to 7,500 psi of pump fluid working pressure. The package arrives as a system: pump 239730, ram 257435, adapter kit 224266, ram plate seal kit 247335, pump mount kit 247337, the 222076 dispense kit, and the 244844 regulator (1/2 in., with gauge) per the catalog column for this package.
What the Package Includes
- Fire-Ball 425 75:1 pump 239730 (400 lb drum pump)
- Ram assembly 257435, adapter kit 224266, ram plate seal kit 247335, pump mount kit 247337
- Dispense kit 222076 (4,000 psi): 3/8 in. × 6 ft fluid hose (109163), 6 ft coupled hose (205418), fittings 155470/155494, 1/2 in. × 6 ft air hose
- Air regulator 244844 (1/2 in. NPT, with gauge) per the catalog column for this package
Not the Right Package If
- You want the 50:1 RAM for higher flow — that is 244905 (pump 205395, 9 lb/min free flow)
- Your grease flows fine under a plain follower plate — the 75:1 stationary options are the cover-mount 244636 or the side pocket 244647
- You prefer an inductor-plate system — the topper-inductor packages are 226018 (50:1) and 244637 (75:1)
- The drum rides in a truck — RAM packages are stationary; the 75:1 lube truck package is 243818
Questions Shops Ask
Why a RAM at all?
For extreme-viscosity grease and high-volume service. The ram force-feeds the follower plate down the drum — no channeling, no bridging, no starved pump — and Graco lists cleaner drum changes as a RAM benefit. In a 75:1 package you get that forced feed plus the ratio's pressure density for long lines.
75:1 or 50:1 RAM — which one?
Both are 4,000 psi packages on the same ram 257435. The 50:1 (244905) moves more grease per minute; this 75:1 gives more cycles per pound (22.7 vs 15.1) and runs a 53 psi package air limit against the 50:1's 80 psi.
What air supply does it need?
A 1/2 in. NPT(F) inlet. Manual 309345H caps this package at 53 psi max air — 75:1 × 53 psi holds the kit's 4,000 psi rating. The draft's 100 psi figure was a pump air-range number, not the package limit.
How does it ship?
A RAM system is heavy freight — call (817) 865-3707 for a quote before you order.
Why Buy from Alamo
- We sell the RAM package as a working system. Ratio, drum size and ram confirmed before the order goes in, with the complete package in the shipment.
- We carry what follows it. Ram plate seal kits, pump mount kits, dispense kits, hoses and fittings.
- Freight handled. A RAM system is heavy freight — call (817) 865-3707 for a quote before you order.
Fitment & Setup
This is the 75:1 RAM configuration for 400 lb drums (pump 239730, ram 257435, regulator 244844). Max air 53 psi per manual 309345H. For the 50:1 RAM use 244905; for plain stationary 75:1 service use the cover-mount 244636 or side pocket 244647.
Need help matching the right Graco package to your bulk room? Call Alamo Equipment at (817) 865-3707.
Part numbers: 244906
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