Wheatley, 535, Duplex, Piston Pump (Mud Pump)
- 12 horsepower 5.125" stroke continuous duty double acting duplex pump
- Rated at pump speeds up to 85 RPM
- Maximum discharge pressures up to 796 psi
- Equipped with cast iron fluid ends
- Equipped with internal gear reduction unit
Specs
| Spec | U.S. Standard |
|---|---|
| Type: | duplex |
| Minimum Piston Diameter: | 2" |
| Maximum Piston Diameter: | 3½" |
| Stroke length: | 5⅛" |
| Maximum Working Pressure: | 795 PSI |
| Rod/Piston Load: | 2500lb |
| Gallons per Minute: | 69.6 |
| Barrels per Day: | 2386 |
| Brake Horse Power: | 12.4 |
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Hover over Power Curves to reveal RPM and GPM
| Pump | English Units | 50 RPM | 60 RPM | 70 RPM | 80 RPM | 85 RPM | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plunger Dia. In. | Plunger Area Sq. In. | BPD per RPM | GPM per RPM | Max Press. PSI | BPD | GPM | BPD | GPM | BPD | GPM | BPD | GPM | BPD | GPM | |
| 535 | 3.500 | 9.6211 | 29.274 | 0.8538 | 260 | 1464 | 43 | 1756 | 51 | 2049 | 60 | 2342 | 68 | 2488 | 73 |
| 3.250 | 8.2958 | 25.241 | 0.7362 | 301 | 1262 | 37 | 1515 | 44 | 1767 | 52 | 2019 | 59 | 2146 | 63 | |
| 3.000 | 7.0686 | 21.507 | 0.6273 | 354 | 1075 | 31 | 1290 | 38 | 1506 | 44 | 1721 | 50 | 1828 | 53 | |
| 2.750 | 5.9396 | 18.072 | 0.5271 | 421 | 904 | 26 | 1084 | 32 | 1265 | 37 | 1446 | 42 | 1536 | 45 | |
| 2.500 | 4.9087 | 14.936 | 0.4356 | 509 | 747 | 22 | 896 | 26 | 1046 | 30 | 1195 | 35 | 1270 | 37 | |
| 2.250 | 3.9761 | 12.098 | 0.3529 | 629 | 605 | 18 | 726 | 21 | 847 | 25 | 968 | 28 | 1028 | 30 | |
| 2.000 | 3.1416 | 9.559 | 0.2788 | 795 | 478 | 14 | 574 | 17 | 669 | 20 | 765 | 22 | 813 | 24 | |
Power End Features
- Cast iron power frame
- Ductile iron crankshaft
- Heavy-duty roller crankshaft bearings
- Bi-metal crankpin bearings
- Ductile iron connecting rods
- Alloy steel crosshead pins
- Bronze bearing crosshead pin bushings
- Internal gear reduction / 4.933:1 Ratio / with:
- Ductile iron herringbone type main gear
- Alloy steel pinion shaft with herringbone pinion gear
- Heavy-duty roller pinion shaft bearings
- Flooded sump, splash distribution lubrication
- Rated rod load is 2500 lbs
- Cast iron crossheads with upper/lower oil grooves
Fluid End Features
- Bolted Valve and Cylinder Head Covers
- Bolted type glands and removable stuffing boxes
- File Hard Steel Piston Rods
- Valve Types
- Steel wing guided valve & seat-Crude Oil Transfer
- Steel wing guided w/replaceable insert for slush service
- Piston Types for crude oil transfer:
- Cast iron piston body, ring type
- Cast iron, chrome faced, piston rings
- For slush / mud service:
- Mission slush type piston w/ replaceable rubbers
- General service piston rod packingÂ
