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Gear Pump
GP Series
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Stable performance,
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Convenient and reliable,
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Durable
Overview
The GP Series Gear Pump is a rotary pump that relies on the change and movement of the working volume formed between the pump cylinder and the meshing gears to transport or pressurize liquids. It consists of two gears, a pump body, and front and rear covers, creating two sealed spaces. As the gears rotate, the volume of the space on the disengaging side of the gears increases, creating a vacuum that draws in liquid, while the volume of the space on the meshing side decreases, pushing the liquid into the pipeline.
Features
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Good self-priming ability.
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The suction and discharge directions depend on the rotation direction of the pump shaft.
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Theoretical flow rate is determined by the size of the working components and the speed, and is independent of discharge pressure; the discharge pressure is related to the load pressure.
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Simple structure, low cost, with few wearing parts (no need for suction and discharge valves), impact-resistant, reliable operation, and can be directly connected to the motor (no need for a speed reducer).
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Due to multiple friction surfaces, it is not suitable for pumping liquids containing solid particles but is ideal for pumping oils.
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Advantages: Simple and compact structure, small size, lightweight, good manufacturability, strong self-priming ability, not sensitive to oil contamination, wide speed range, impact-resistant, and easy to maintain.
Typical Applications
Supporting Products
Model | GP-12 | GP-24 | GP-36 | GP-45 |
|---|---|---|---|---|
External dimensions(mm) | 70*64*90 | 70*64*100 | 70*64*105 | 70*64*122 |
Weight(Kg) | 1.2 | 1.4 | 1.6 | 1.8 |
Sealing method | Combination seal | Combination seal | Combination seal | Combination seal |
Driving method | Electric | Electric | Electric | Electric |
Transport medium | Colloid | Colloid | Colloid | Colloid |
Pump head material | 9CR18MOV | 9CR18MOV | 9CR18MOV | 9CR18MOV |
Product performance | low pressure | low pressure | low pressure | low pressure |
Import and export | One in, one out | One in, one out | One in, one out | One in, one out |
Nominal displacement(cc/r) | 1.2 | 2.4 | 3.6 | 4.5 |
Working temperature(℃) | ≤150 | ≤150 | ≤150 | ≤150,Cleaning temperature400℃ |
Minimum inlet pressure(MPa) | ＜0.2 | ＜0.2 | ＜0.2 | ＜0.2 |
Maximum outlet pressure(MPa) | ＜8 | ＜8 | ＜8 | ＜8 |
Working speed(r/min) | 10-200 | 10-200 | 10-200 | 10-200 |