3 NB Series Mud Pump Using in Oilfield with API Standard

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Item specifice:

Theory: Triplex pump Pressure: High Pressure Usage: Oilfield

Product Description:

1. Structure of 3 NB Series Mud Pump Description


The power end: The housing is welded steel-plate construction. It is stress-relieved after welding. The drive gears ate in volute type gears which allow smooth operation, high efficiency and long life. The crankshaft is a hollow one-piece steel casting. The power end is splash-Lubricate.

The fluid end: The suction and the discharge flanges conform to ASA and API specification.

The piston rod is connected with an intermediate rod by means of clamps to realize quick assembly & disassembly.

The valve seat bores have a bottom shoulders. The pistons and loners are lubricated and cooled by an independently spraying pump to have a longer service life.

Versatility in expendables



2. Main Features of 3 NB Series Mud Pump


1) Advanced test for quality 

2) MTC provided 

3) Good price and service


3. 3 NB Series Mud Pump Images


3 NB Series Mud Pump Using in Oilfield with API Standard

3 NB Series Mud Pump Using in Oilfield with API Standard

3 NB Series Mud Pump Using in Oilfield with API Standard


4. 3 NB Series Mud Pump Specification


Model

3NB500C

3NB1000C

3NB1300C

3NB1600/LN1600H

Power KWPS

368(500)

735(1000)

956(1300)

956(1300)

Strokes per minute pm

95

110

120

120

Stroke mm

254

305

305

305

Gear ratio

3.82

3.833

3.81

3.81

3.89

Speed of driving shaft r/min

363

423

457

457

467

Max. working pressure Mpa

30

35

35

35

51.7

Max. dia. Of liner mm

160

170

180

190

Dia. Of suction pipe mm

254

305

305

305

Dia. Of discharge pipe mm

100

100

100

100

Overall dim. mmL*W*H

4220×2640×2430

5170×2809×2530

5010×1942×1918

4450×2850×2077

5000×2850×2090

Weight kg

15940

21450

23000

29700

28345


5. FAQ of 3 NB Series Mud Pump


We have organized several common questions for our clients,may help you sincerely:


1) How about your company?

One of the leading manufacturers and suppliers specializing in this product in China, supply a wide variety of accessories consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.


2) How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


3) How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.

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Q:Pneumatic diaphragm pump compressed air pressure is 4 kg, the discharge pressure is how big?
Have to know the ratio, pneumatic pump, if high pressure, you can have 2:1,3:1
Q:Metering pumps related matters
Rotate to stroke length 100% position. This allows the kit to rotate to the back of the drain hole and align the bottom of the pump. Adjust the hydraulic end and diaphragm to the proper position during the pump operation.The duration of the pulse may not be long enough for the reaction time. With respect to the standard pulse width 80msec, the flow monitor pulse width expansion can be activated, increasing the pulse width to 300msec. Activate the smart switch, remove the cover fixed circuit board, remove the jumper X-1. This activates the extended function and allows more time before the failure instructions.Metering pump installed from the exhaust pump head, the use of self suction liquid imbibition. Keep the suction line as short as possible.
Q:Why can't the inlet of centrifugal pump be negative pressure?
Therefore, the centrifugal pump inlet pressure can be negative, and negative number, should be used to pump cavitation margin and liquid saturated steam pressure parameters to specific calculation. Sometimes, the liquid saturated steam conveying pressure is very high, such as the 9 m water column, then the minimum pressure of the pump inlet should be equal to 4+9=13 meters, the atmospheric pressure is higher than 3 meters, not only for negative pressure, even higher than the atmospheric pressure to work properly.
Q:What is the "variable" of a variable pump?
There are many ways to change the variable pump flow: by changing the eccentricity to change the piston stroke length (radial piston pump, the frequency change principle) motor speed to adjust the flow (such as gear pump flow control principle).
Q:What's the difference between non negative pressure and variable frequency water pump?
When peak water is used, the fluctuation of water pressure will be the same for customers! Because the key to the fluctuation of hydraulic pressure is the flow rate of the pump and the lift of the pump. As long as the flow of the selected pump is large enough, the tank is large enough, the lift head is suitable, and the pressure fluctuation is relatively small. And the selection of non negative pressure and frequency conversion pump group is not directly related. If the municipal tap water pressure and water sufficient (large enough diameter), the use of non negative pressure is better. If the municipal tap water pressure and water shortage, you can only use the frequency converter pump + water tank, no negative pressure can not be used.
Q:Roots pump and dry pumpRecently, the work involved in the vacuum pump, do not understand this, is a ads602 vacuum pump
Different working conditions, our company does dry claw pump alone can also achieve the vacuum of 133 PA.
Q:Concrete pump 125 pipe wall thickness
Concrete pump diameter 125mm, pipe wall thickness is generally 4mm, also have 4.25mm, 4.5mm, 4.75mm, need to be in accordance with the rules of transport.
Q:What should be used to pay attention to the use of mechanical pumps?
There are many kinds of pumps, such as centrifugal pumps, piston pumps, diaphragm pumps, vane pumps, gear pumps, etc.
Q:Constant pressure pump working principle
The pressure loss is borne by the valve. Constant pressure pumps generally do not export direct load, unless you need this load response is very fast, then the maximum displacement of the pump work, so as to ensure the rapid response of the load.
Q:What are the advantages and disadvantages of the pump control system and valve control system in the hydraulic system?
Valve control system is generally used for open systems, through the proportional valve or servo valve flow changes to control the motor or cylinder actuator action. The advantages of the system are energy saving, heat generation, and control accuracy. The disadvantage is that the system is complex and the cost is higher.

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