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SHANGHAL CHENGJLE HYDRAULIC PUMP CO,LTD

Introduction
Your alternative,independent line of quality fluid power products.

TOP QUALITY PRODUCTS

Manufactured with the finest materials under strict quality control,NT-SERLES inrernal gear pumps are engineered to meet industries most demand- ing applications.Complete with a one year warranty, our products guarantee you dependabie ,on-the-job performance.

CUSTOMER SERVICE

Trust we to provide reliable, cost effective product at the accelerated service levels your business deserves.Rest assured that we take great pride in our ability to respond quickly and efficiently. Your continued satisfaction with the product and after sale service are vital to us as your key supplive.

Now you can have it all
.pwrformance combined with low prices
.Quality with quick delivery

SHANGHAL CHENGJLE HYDRAULIC PUMP CO,LTD

Principle

In the suction zone,the oil flows axially into she tooth gaps as they increase in size,while the engaging teeth displace the oil again the pressure side. ln the tooth gaps the oil is transported from the suction to the pressure side.The crescent and the side walls of the housing seal the suction and pressure zones against eaainst each other.
The engines of modern jets work according to the multistage principle.A high pressure difference is divided up into several compressor stages,each of which only converts part of power.
We applied this principle to internal gear pumps. The multistage stacking of the modular pumping assemblied enables units to operate at 4640 PSl.Fluid flows from the outlet of one stage to the next stage, and each stage participates equally in pumping against the discharge pressure. The fact that each stage shares half the pressure load, reduces stresses on pump components.

NT-SERLES

NT series positive displacement units pumps consist of a single shaft driving a ring gear and pinion gear. NT units features extra large suction and discharge areas,enabling the pump to fill smoothly which helps to reduce noise levels,by keeping fluid velocity low and reducing the possibility of cavitation.The most important feature of NTSeries pumps is the straight line to straight line conjugated gear tooth profile.“As shown in fig. A’’eliminating any “trapped oil”, resulting in ripple-free and low noise operation by the elimination of pressure pulsations.

This results in

.Low noise level ”<65dB”
.High efficency
.Long service to high pressure “460psi”
.Very low viscosity operation down to 0.5 cst
Because of its many desirable features NT intenal gear pumps are ideal for inplant hydraulic systems, especially where noise levels are critical.

 

SHANGHAL CHENGJLE HYDRAULIC PUMP CO,LTD

Specifications

 

NT series internal gear pumps come in three different frama sizes,for Low/Me-dium/High pressure applications with a large number of displacement available in each size. NT pumps can be combined, and multiple pumps mean that there are over 1000 possible variations available

 

Technical date

 

Pressure range

Displacement

Flow
rate

Model

Continuous/
Peak
pressure

Model

Continuous/
Peak
pressure

Model

Continuous/
Peak
pressure

Norm.[cm3/Rev.]

[1/min]

 

[psi]

 

[pis]

 

[pis]

10

14.5

 

 

NT2-D10F

1813/2330

NT2-G10F

3625/4640

12

18.3

 

 

NT2-D12F

1813/2330

NT2-G12F

3625/4640

16

22.6

 

 

NT2-D16F

1813/2330

NT2-G16F

3625/4640

20

29.5

NT2-C20F

914/1160

NT3-D20F

1813/2330

NT3-G20F

3625/4640

25

36.4

NT2-C25F

914/1160

NT3-D25F

1813/2330

NT3-G25F

3625/4640

32

46.8

NT2-C32F

914/1160

NT3-D32F

1813/2330

NT3-G32F

3625/4640

40

56.9

NT3-C40F

914/1160

NT4-D40F

1813/2330

NT4-G40F

3625/4640

50

73.2

NT3-C50F

914/1160

NT4-D50F

1813/2330

NT4-G50F

3625/4640

63

92.1

NT3-C63F

914/1160

NT4-D63F

1813/2330

NT4-G63F

3625/4640

80

116

NT4-C80F

914/1160

NT5-D80F

1813/2330

NT5-G80F

3625/4640

100

146

NT4-C100F

914/1160

NT5-D100F

1813/2330

NT5-G100F

3625/4640

125

181

NT4-C125F

914/1160

NT5-D125F

1813/2330

NT5-G125F

3625/4640

160

236

NT5-C160F

914/1160

 

 

 

 

200

291

NT5-C200F

914/1160

 

 

 

 

250

361

NT5-C250F

914/1160

 

 

 

 

At: Pressure=0 n=1450R.P.m (1MPa=145psi)

 

 

 

Pump Dimensions


Model

NT2-

NT3-

NT4-

NT5-

Displacement

C

D

G

C

D

G

C

D

G

C

D

G

A

5.276

6.772

8.425

10.472

B

4.173

5.748

7.126

9.016

C

0.433

0.551

0.709

0.906

I

1.890

2.677

3.622

3.622

K

3.543

4.528

5.709

6.063

L

8.898

8.071

9.843

11.142

10.079

12.283

13.661

12.323

15.079

16.339

14.685

18.228

M

4.528

3.701

5.472

5.551

4.488

6.693

6.693

5.354

8.110

8.524

6.870

10.413

N

φ3.250 0/-0.0020

φ4 0/-0.0020

φ5 0/-0.0020

φ6 0/-0.0020

O

0.472

0.630

0.787

0.945

T

4.528

5.472

6.693

8.504

V

0.157

0.276

0.276

0.276

Z

2.363

2.953

3.661

4.646

D

φ0.984 +0.0004/-0.0002

φ1.260 +0.0004/-0.0002

φ1.575 +0.0004/-0.0002

φ1.969 +0.0004/-0.0002

E

1.654

2.283

3.228

3.228

F

0.315 0/-0.0014

0.394 0/-0.0014

0.472 0/-0.0014

0.551 0/-0.0014

G

1.106

1.378

1.693

2.106

Q

1.417

1.969

2.756

2.756

Y1

2.323

2.756

3.071

3.504

Y2

1.890

2.047

2.323

2.756

4-d1

M10*25

M12*30

M12*30

M12*30

4-d2

M10*25

M10*25

M10*25

M12*30

X1

1.181

1.417

1.693

2.008

X2

0.886

1.024

1.181

1.417

S

φ1.181

φ1.496

φ1.969

φ2.520

P

φ0.787

φ0.984

φ1.181

φ1.496

(1b)

28.9

25.8

31.3

50.5

45.2

51.4

94.8

84.4

106.7

194.0

165.3

218.3

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