3NB1300 Triplex Mud Pump
 Features:
1) 3NB1300 Triplex single-acting piston pump is suit for Rig 32-45.
2) The design characteristic is the optimum parameter, appropriately increasing stroke, reasonable lower stroke number to improve the functions of pump suction, And, it extends the life of consumable parts.
3) The pumps are widely used for oil field and other industrial and mine enterprise-drilling well, repairing well, transporting liquid carrier, and injecting polymer into oil layer to requirement of tertiary oil recovery.
4) The serial products are strictly produced as per SY5138 standard of CNPC.
Model |
Type |
Input power |
Rated pump speed |
Stoke length |
Gear ratio |
Drive wheel rated speed |
3NB-1300 |
Triplex Single-Acting |
955kw/1,300hp |
120stroke/min |
305mm |
3.657 |
438.84r/min |
Dia.of suction manifold |
Dia.of Discharge Manifold |
Overall size |
weight |
Not including the Big belt and pulsation dampener weight |
305mm |
101mm |
5250x2450x 2625mm |
23,000kg |
21,500kg |
Pump speed
(stroke/min) |
Cylinder diameter(mm) |
130 |
140 |
150 |
160 |
170 |
180 |
190 |
Theoretic displacement(l/s) |
120 |
24.28 |
28.16 |
32.52 |
36.18 |
41.52 |
46.54 |
51.86 |
112 |
22.66 |
26.28 |
30.17 |
34.32 |
38.75 |
43.44 |
48.50 |
104 |
20.04 |
24.40 |
28.01 |
31.87 |
36.00 |
40.34 |
44.94 |
96 |
19.42 |
22.53 |
25.86 |
29.42 |
33.21 |
37.24 |
41.05 |
80 |
16.19 |
18.77 |
21.55 |
24.52 |
27.68 |
31.03 |
34.57 |
Pump pressure(Mpa) |
35 |
31 |
27 |
24 |
21 |
19 |
17 |
MECHANICAL EFFICIENCY AS 90% CAPACITY EFFICIENCY AS 100% |
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