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QN-800 Mud Pump

Max single spare part weight is no more than 2t(4400lbs)which is a large convenient for helicopter transportation for located in jungle areas. 

Features

a. Max single spare part weight is no more than 2t(4400lbs)which is a large convenient for helicopter transportation for located in jungle areas. 

b. The pinion shaft id herringbone gear, which means high strength and long service life.

c. The main bearing carrier are closed annular type, the oil reservoir lies below to lower the pump gravity center, which improves pump stability.

d. Crankshaft combines casting shaft with eccentric cam. The casting shaft is forged from alloy steel and the eccentric cam cast from alloy steel. It can with stand higher load.

e. The power end utilizes the combination of splash lubrication and forced lubrication.

f. Vertical fluid cylinders, fluid flowing smoothly.

g. The liner and piston uses force spray cooling to prolong the service life 

h. API #7 is used in valve assembly. The valve hole processes by roll to prolong the service life.

Parameters

 

Model

Type

Rated Stroke

Rated Power

Gear Type

Gear Ratio

Suction Pipe Diameter

Discharge Pipe Diameter

QN-800

trilex single action

175r/min

596kw

Herringbone gear

4:01

8"(203mm)

4"(102mm)

stroke length

Max work pressure

Valve

Weight

Max Spare Part Weight

Dimension(inch)

8.5"(216mm)

5000psi(35MPa)

API#7

10000KG(22000lbs)

2t (4400lbs)

145.5×98.5×88.5




Liner diameter(in)& Pressure Mpa(psi)

Stroke/min

Rated Power

7

6.5

6

5.5

5

4.5

4



12.4

1771

14.4

2057

16.9

2414

20

2871

24.3

3471

30

4286

35

5000


KW

HP

Displacement(L/S)

175

648

880

46.9

40.43

34.48

29.05

23.98

19.43

15.46

160

592

805

42.88

36.96

31.52

26.56

21.92

17.76

14.16

150

555

755

40.2

34.65

29.55

24.9

20.55

16.65

13.28

140

518

705

37.52

32.34

27.58

23.24

19.18

15.54

12.39

130

481

654

38.84

30.03

25.61

21.58

17.81

14.43

11.44

120

444

604

32.16

27.72

23.64

19.92

16.44

13.32

10.56

110

407

554

29.48

25.42

21.67

18.26

15.07

12.21

9.68

1



0.268

0.231

0.197

0.166

0.137

0.111

0.088