High Quality Gear Pump

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: 5000 set/month

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Small gear oil pump Application

* It has wide application. It can transfer non-corrosive lubricating-oil or equivalent liquid

without solid particles and fibres medium and non-running material.

* It has steady flow and pressure,no pulsation.

* Reduce the speed,the pump can delivery the liquid that viscosity can be up to 5X ^4cSt.

* It has strong absorb power,low working noise,no leakage and temperature rising.

Product name	Small gear oil pump
Model number	Portable Oil Gear Pump, Small Gear Oil Pump
Type	gear pump, Small gear oil pump
Application Scope	Performance as transfer pump or booster pump in oil delivery system,and fuel pump for delivery,pressurization and injection in fuel supply system. Also applied as hydraulic pump supplying hydraulic system and in all industry fields as lubricating pump.
Material	1.HT200; 2.ZG230-450 3.1Cr18Ni9Ti,OCr18Ni12Mo2Ti
Capacity	1.08-12m³/h
Medium Viscosity	up to 5*10-4cst
Tempreture	below 300°C
Charcteristic	The nitrating-treated gears have the advantage of higher hardness and wear property,and they rotate with the axles inside the replaceable bearing sleeves. All of the pump‘s parts can be lubricated by delivered medium when working.
Main parts	Gears,axles,pump body,pump cover,bearing sleeves and axle-end seals,etc.
Shipment	By sea or air
Delivery time	25-45 days according to order quality
MOQ	1 unit
Package	Export standard wooden palet or unser-defined
Payment methods	TT, L/C, Western Union, Escrow

Small gear oil pump PRODUCT ADVANTAGES

* Steady delivery without pulsation, little vibration and noise
* Working temperature can reach 300°C
* Out standing self-priming ability

* Little wear and long operation life

* Suit to delivering non-corrosive lubricating-oil or equivalent liquid without solid particles

and fibres at temperature below 300°C.

Our Small gear oil pump has approved GL,ABS,BV,DNV,3C,CE,ISO-9001-2000,GJ9001A-2001 etc certificate.

Q:Troubleshooting of diaphragm pump: The ratio of flow to water weight at a specific weight of --68F. 68F water has a specific gravity of 1Static suction head - the vertical distance from the liquid level to the central line of the pump. The pump shall be above the level of the liquid.Vapor pressure the pressure of all the steam on the free surface of the liquid. In any pump operating system, the operating pressure shall not be lower than the vapor pressure, otherwise the steam will be partially or completely cut off into the pump fluid. Viscosity - because of the presence of friction in the fluid, the property of viscosity gives the fluid resistance to flow.Water hammer action -Water hammer is a sudden power failure, or in the valve closed too fast, due to pressure, flow of inertia, produce water shock waves, like hammer hammer, so called water hammer. The force produced by the flow of water shock waves can sometimes be very large, thereby damaging the valves and pumps. Water hammer effect refers to the inside of the water pipe, the pipe wall is smooth, flow freely. When the opening of the valve suddenly closes, the flow of water to the valve and the tube wall, mainly the valve, will produce a pressure. As the pipe wall is smooth, the subsequent water flow in the role of inertia, the fastest reach the maximum and damage, which is the water conservancy "water hammer effect", that is, "positive water hammer.". This factor should be taken into consideration in the construction of water conservancy pipelines. On the contrary, the valve closed in a sudden opening, it will produce water hammer, called negative water hammer, but also a certain destructive power, but not the former big.. Causes and treatment methods of common failures of diaphragm pumps:

Q:Water pump does not produce water, what are the reasons?: 4. as a water inlet valve, check whether it is normal, whether the silted up.5. the installation height of water pump exceeds the allowable suction height of pump, or the suction pipe is too long.

Q:If the suction pump does not have enough suction range, you need to add a vacuum pump to increase the suction stroke. How do you install the suction pipe of the vacuum pump? Water pump impeller is not closed, it is normal that the vacuum pump is unable to pump suction pipe to a vacuum, is it because the water pump outlet pipe connected to the role of the check valve? But the water pump, outlet pipe, check valve sealing performance can achieve the function of non leakage?: Vacuum suction principle of self suction pump:Assuming that the pump connected with the water inlet of a sealed container, the container has plenty of water, since the start of a water pump, water is thrown out of the water impeller pump body, water inlet seal vessel due to the extraction of water to form a vacuum cavity, this assumption will be connected to vacuum cavity and exposed to atmospheric conditions of water, water at atmospheric pressure under the effect of entry into the vacuum chamber".

Q:When the water pump is started, why should it start when the outlet valve is closed? Thank you: And the pump at the start, if the valve opening pump, then the pump outlet pressure (head) is very small, so the pump flow will be great, the pump power is very large, causing the start-up current is very large. In addition, the starting current of the motor itself is also very large. These two factors add up to the possibility of overloading the motor, resulting in failure to start or even burn the motor.

Q:Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.: If the water pressure is not enough, the pump can not start, then it must be wrong. Because if the water pressure is not enough, the pump should be running automatically. It's just because the water pressure is not enough.

Q:Is the diaphragm pump and the drain pump one?: Generally composed of actuators and valves.Pneumatic diaphragm pump, which has four kinds of materials: plastic, aluminum alloy, cast iron, stainless steel. The electric diaphragm pump has four kinds of materials: plastic, aluminum alloy, cast iron and stainless steel. Diaphragm pump diaphragm according to different liquid media, respectively, NBR, chloroprene rubber, fluorine rubber, PTFE, poly 46 ethylene to meet the needs. Placed in a variety of special occasions, for pumping various media.

Q:Hydraulic pump displacement refers to the pump shaft what?: Just as you carry a spoon to the water. How much water can you pump at once (every turn)? That's the displacement.

Q:No negative pressure water supply equipment, both the main pump and auxiliary pump, power is not the same, how to choose the control cabinet?: Non negative pressure variable frequency water supply means no negative pressure superposed water supply equipment. When running, it is connected directly to the water supply pipe. Always test the pressure of tap water pipe network and water supply pipe network pressure control system, when the water pressure is lower than the pressure required by the user, the frequency conversion device based on water automatically control the pump speed through the steady flow compensator of water balance, maintain a constant pressure water supply. In the multi pump system, the control system can automatically dispatch the water pump according to the water consumption. It can balance the working time of the pump and ensure the pressure of the water supply. When the water supply pressure satisfy the required pressure, the system automatically stops the pump by the external water supply pipe network directly. CJWFG-DYG non negative pressure superposed water supply system:

Q:Double floor sewage pump circuit diagram of a small problem: Q 2, SA and SS are select switches, and different positions indicate the same difference between the two nodes. SA hits the left position 13, 14 to connect, hits to the right position 21, 22 to connect. SS hit the middle position, 5 and 6 turn on, 7 and 8 turn on; hit the right position; 1 and 2 turn on; 11 and 12 turn on; hit the left seat; 9 and 10 turn on; 3, 4 turn on.

Q:What are the general water pump failure, how to repair?: (2) in contact with the water pump inlet of the horizontal application of reverse flow direction, fell more than 0.5% slope, connect one end of the highest import pumps, do not completely level. If the upward tilt, the intake pipe will retain air, reducing the water pipes and pumps in the vacuum, water absorption.

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