W-446 Single Acting Piston Pump Oil Drilling Mud Pump
W-446 Single Acting Piston Pump is designed and manufactured strictly in accordance with API 7K standard on the basis of F series mud pump. All W-446 Single Acting Piston Pump spare parts can be compatible with any other make pump. Therefore, the pump is easy to maintain internationally.
Parameters of W-446 Single Acting Piston Pump
| Liner Size | in | 6 | 5 3/4 | 5 1/2 | 5 1/4 | 5 | 4 1/2 | 4 |
| Discharge Pressure | MPa | 9.3 | 10.1 | 11.0 | 12.1 | 13.4 | 16.5 | 20.7 |
| psi | 1349 | 1465 | 1595 | 1755 | 1943 | 2393 | 3000 | |
| Stroke per Minute SPM | Power kW(HP) | Displacement L/s(GPM) | ||||||
| 260 |
373 (500) |
36.1 (572.2) |
33.2 (526.2) |
30.4 (481.4) |
27.7 (439.0) |
25.1 (397.8) |
20.3 (321.8) |
16.1 (255.2) |
| 220 |
316 (423) |
30.6 (485.0) |
28.1 (445.4) |
25.7 (407.3) |
23.4 (370.9) |
21.2 (336.0) |
17.2 (272.6) |
13.6 (215.6) |
| 180 |
258 (346) |
25.0 (396.3) |
23.0 (364.6) |
21.0 (332.9) |
19.2 (304.3) |
17.4 (275.8) |
14.1 (223.5) |
11.1 (175.9) |
| 140 |
201 (269) |
19.5 (309.1) |
17.9 (283.7) |
16.4 (259.9) |
14.9 (236.2) |
13.5 (214.0) |
10.9 (172.8) |
8.6 (136.3) |
| 100 |
143 (192) |
13.9 (220.3) |
12.8 (202.9) |
11.7 (185.4) |
10.6 (168.0) |
9.7 (153.7) |
7.8 (123.6) |
6.2 (98.3) |
| 60 |
86 (115) |
8.3 (131.6) |
7.7 (120.5) |
7.0 (111.0) |
6.4 (101.4) |
5.8 (91.9) |
4.7 (74.5) |
3.7 (58.6) |
| 1 |
1.43 (1.92) |
0.139 (2.203) |
0.128 (2.029) |
0.117 (1.854) |
0.106 (1.680) |
0.097 (1.537) |
0.078 (1.236) |
0.062 (0.983) |
| ● Performance data are calculated by 90% mechanical efficiency and 100% volumetric efficiency. | ||||||||
| Liner Size | in | 6 | 5 3/4 | 5 1/2 | 5 1/4 | 5 | 4 1/2 | 4 |
| Displacement | gal/rev | 2.205 | 2.025 | 1.851 | 1.686 | 1.527 | 1.239 | 0.980 |
| L/s | 30.6 | 28.1 | 25.7 | 23.4 | 21.2 | 17.2 | 13.6 | |
| Discharge Pressure | psi | 1595 | 1725 | 1900 | 2074 | 2291 | 2828 | 3000 |
| MPa | 11.0 | 11.9 | 13.1 | 14.3 | 15.8 | 19.5 | 20.7 | |
| ● Performance data are calculated by 220 spm. | ||||||||
W-446 Single Acting Piston Pump Specification :
Rated Input Power 373 kW (500 HP)
Stroke Per Minute 260 SPM
Continuous Running 220 SPM
Stroke Length 6"
Gear Ratio 4.578:1
Max. Working Pressure 3000 psi
Valve API #4
Max. Liner Size 6"
Suction Inlet Flange 8" flange
Discharge Outlet Flange 2 1/16" flange, 5000 psi
Pinion Shaft Size 3.75"
Overall Dimension (L×W×H) 8.13×4×3.62 ft3
Approx Weight 9950 lb
