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                        KCB 135 gear oil pump 

Structure& Operation Theory

KCB series gear pump ouline & installation dimension

Diagram of performance curve of Model KCB series gear pump

Working Principle

Driving gear (outside rotor) with internal tooth drives the internal rotor and turns in same direction in the full closed pump body. The inlet is from the outlet. When it turns, negative pressure formed at the suction port, the liquid inlet and being take to the outlet by rotor, then the liquid is impelled from the discharge port and the gears mesh. The transportation of liquid finished.

Structure Feature

As figure, the pumps are mainly composed of internal rotor, outside rotor, shaft, pump casing, front cover, seal, bearing etc.

The pump' seal adopts packing seal or mechanical seal. When the delivered medium is high temperature, high viscosity or strong corrosion, packing seal should be adopted.

When the delivered medium is easy crystal linic, we can design the heat preservation jacket in pump casing and front cover in order to melt the medium with steam when working. The pump can be also fitted with the safety valve.

The pump set is composed of the pump, motor and baseplate.

The driving way is belt wheel driving or coupling driving.

Application

KCB series gear pump applies to delivering non-corrosive lubricating-oil or equivalent liquid without solid particles and fibres at temperature below 80℃ and with the viscosity of 5-1500cSt.

Reducing the speed, the pump can delivery the liquid that the viscosity can be up to 500000cSt.

Application Scope

1. It can give performance as transfer pump or booster in oil deliver system.

2. It can be also applied as fuel pump for delivery system, pressurization and  injection in fuel supply system.

3. In all industry fields it can be as lubricating pump.

Structure Features

         KCB series gear pump are mainly composed of gears, axles, pump cover, safety valve and axle-end seals etc. The heat-treatment gears have the advantage of higher hardness and intensity, and rotate with the axles inside the replaceable bearing sleeves. All of pumps’s parts can be lubricated by delivered medium when working.

        The pump is properly designed with leakage and return chute, which lets the gears bear the least torque force and reduces load and wear on bearings in order to raise pumps’ efficiency.

It is also designed with safety valve for protection against overload. The full return flow pressure of the safety valve is higher than the rated exhaust pressure of the pump. It can be also adjusted within the allowance of exhaust pressure range according to circumstances. But please note the safety valve can't be applied as pressure reducing valve for long time. You may install pressure reducing valve separately on pipe-line if needed.

The direction of rotation is clockwise viewed from coupling end.

Technical Data:

Company Introduction:

Botou Jinhai Pump Manufacture Co., Ltd is a leading and professional company with many years' experience in pump manufacturing. We specialize in products for many kinds of liquids (such as water, gasoline, lubricant, diesel, acid liquid etc.) Such as Oil Pump, Gear Oil Pump, Lubricant Pump,Stainless Steel Gear Oil Pump, Bitumen Pump, Self Priming Pump, Hot-transfer Oil Pump, Centrifugal Pump etc. Our company can also produce qualified products according to customer's customization.

We are supported by experienced technical team, machining workers and strict inspection to offer various products with competitive price and reliable quality. Our products have a good market in countries and regions of USA, India, Middle East, Europe, Africa etc. The advanced craft, the strong technology, completed examination, and ceaseless innovation provide a speedy development for Jinhai. We always serve our customers at a low price but with excellent quality and excellent after-sales service. We are in line with "All for Customers". With a view to create a global, and a brand product, we welcome every customer to develop with us together.

We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits. If you are interested in our products, call tel.:086-15832800278. We will send you reply at once.

Your visit to us is deeply welcomed!

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