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3NB Series Mud Pump

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Product Description

Technical Features:

This series pumps optimize the parameters, properly lengthen stroke, increase displacement, reasonably reduce the stroke rate to improve pump suction performance and extend the service life of the wearing parts. This series of pumps is widely used in oil fields and other industrial and mining enterprises for drilling and workover operation etc, manufactured and carried out delivery test strictly in accordance with SY5138 standards of Ministry of Petroleum Industry.


Main Parameters

Model

3NB-350

3NB-500

3NB-600

3NB-800

Type

Triplex single

acting

Triplex single

acting

Triplex single

acting

Triplex single

acting

Output power

257kw/350HP

368kw/500HP

441kw/600HP

588kw/800HP

Rated strokes (stroke/minute)

130

120

135

130

Length of the stroke, mm(in)

180(7.1)

180(7.1)

196(7.7)

273(10.7)

Max. Dia.of liner, mm(in)

160(6.3)

170(6.7)

180(7.1)

180(7.1)

Dia. of suction inlet, mm(in)

203(8.0)

203(8.0)

203(8.0)

254(110)

Dia. of discharge port, mm(in)

76(3.0)

83(3.3)

83(3.3)

101(4.0)

Gear ratio

4.483

4.696

4.696

3.482

Driving wheel speed

582.8

563.52

633.96

452.66

Overall dimension, mm(in)

3600*2080*2015

(141.7*81.9*79.3)

3600*2230*2080

(141.7*87.8*81.9)

3600*2230*2080

(141.7*87.8*81.9)

3900*2155*2052

(153.5*84.8*80.8)

Weight, kg(lbs)

8058(17765)

9484(20909)

11000(24251)

17200(37920)

 

Model

3NB-1000

3NB-1300

3NB-1600

3NB-2200

Type

Triplex single

acting

Triplex single

acting

Triplex single

acting

Triplex single

acting

Output power

735kw/1000HP

955kw/1300HP

1176kw/1600HP

1618kw/2200HP

Rated strokes   (stroke/minute)

125

120

120

105

Length of the stroke,   mm(in)

273(10.7)

305(12.0)

305(12.0)

356(14.0)

Max. Dia. of liner, mm(in)

180(7.1)

190(7.5)

190(7.5)

230(9.1)

 Dia. of suction inlet, mm(in)

254(10)

305(12.0)

305(12.0)

305(12.0)

Dia. of discharge   port, mm(in)

101(4.0)

101(4.0)

101(4.0)

130(5.1)

Gear ratio

3.482

4.194

3.657

3.512

Driving wheel speed

435.25

503.28

438.84

368.76

Overall dimension, mm(in)

3900*2240*2052

(153.5*88.2*80.8)

4300*2450*251

(169.3*96.5*9.9)

4720*2822*2660

(185.8*111.1*104.8)

6000*3465*2745

(236.2*136.4*108.1)

Weight, kg(lbs)

17500(38581)

23000(50706)

27100(59745)

38800(85539)

 Note: Mechanical efficiency by 90%,Volume   efficiency by 20%.


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