Pneumatic Tools
Your Professional Pneumatic Tools Supplier
Established in 2012 and headquartered at No. 206 Xingye North Road, Nanhai District, Foshan City, Guangdong Province. Guangzhou Shihua Technology Co., Ltd. is a leading manufacturer of high-end commercial high-pressure cleaning systems.Automobile, petroleum, chemical industry, electric power, paper, sugar, brewing, pharmaceutical, metallurgy, casting, aviation, shipbuilding and many other industries, with its efficient and stable cleaning capacity to help customers improve efficiency, reduce costs.
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Industrial Air Impact WrenchModel: 1200read more
Square Drive Size (Inch): 1/2"
Speed (R.P.M): 7800rpm
Maximum Torque (N・m): 850Nm
Air Inlet Thread (Inch): 1/4" -
1/2 Inch Air Impact WrenchModel: 1100read more
Square Drive Size (Inch): 1/2"
Speed (R.P.M): 8000rpm
Maximum Torque (N・m): 650Nm
Air Inlet Thread (Inch): 1/4" -
3/4 Inch Heavy Duty Air Impact WrenchModel: 2200read more
Square Drive Size (Inch): 3/4"
Speed (R.P.M): 5200rpm
Maximum Torque (N・m): 1600Nm
Air Inlet Thread (Inch): 1/2" -
1 Inch Air Impact WrenchModel: 951read more
Square Drive Size (Inch): 1"
Speed (R.P.M): 4800rpm
Maximum Torque (N・m): 1800Nm
Air Inlet Thread (Inch): 1/2" -
Cordless Pneumatic Impact WrenchModel: 1600read more
Square Drive Size (Inch): 1/2"
Speed (R.P.M): 7000rpm
Maximum Torque (N・m): 950Nm
Air Inlet Thread (Inch): 1/4" -
Hydraulic Nut BreakerModel: 6000read more
Square Drive Size (Inch): 1"
Speed (R.P.M): 3000rpm
Maximum Torque (N・m): 6200Nm
Air Inlet Thread (Inch): 1/2" -
Drive Air Impact WrenchModel: 8000read more
Square Drive Size (Inch): 1"
Speed (R.P.M): 2800rpm
Maximum Torque (N・m): 6800Nm
Air Inlet Thread (Inch): 1/2" -
Air Pneumatic Grease PumpModel: GHB-120read more
Inlet Pressure: 0.6-0.8Mpa
Outlet Pressure: 30-40Mpa
Oil Output: 0.85L/min
Cylinder Diameter: 70mm -
Grease InjectorModel: GHB-400Aread more
Inlet Pressure: 0.6-0.8Mpa
Outlet Pressure: 30-40Mpa
Oil Output: 0.85L/min
Cylinder Diameter: 108mm -
Pneumatic Grease DispenserModel: GHB-400Hread more
Inlet Pressure: 0.6-0.8Mpa
Outlet Pressure: 48-65Mpa
Oil Output: 0.9L/min
Cylinder Diameter: 108mm
Why Choose Us
Our Factory
Shihua Technology Factory is an integrated production base specializing in the R&D, manufacturing, and sales of high-pressure cleaning equipment. Since its establishment in 2012.
Good Service
We maintain lean manufacturing practices and provide comprehensive services from system selection to maintenance, ensuring optimal user experience for every client.
Our Certificate
Our company has passed CCC certification and ISO 9001 quality management system certification, which indicates that the company's product quality, production process and service level have met the national and international standards.
One-Stop Solution
We are committed to hassle-free, efficient, and durable cleaning solutions that deliver long-term value for both businesses and their clients. Our approach focuses on creating mutual benefits, ensuring that all stakeholders achieve optimal results with minimal hassle.

Easy to use: Air grease pumps are easy to use and require minimal effort to operate. They are typically operated by a trigger or lever, which allows the user to control the flow of grease.
Efficient: Air grease pumps are highly efficient and can dispense grease quickly and accurately. This makes them ideal for high-volume applications, such as in automotive or industrial settings.
Cost-effective: Air grease pumps are typically less expensive than other types of grease pumps, such as electric pumps. They also require less maintenance and repair, which can save money over time.
Versatile: Air grease pumps can be used with a wide range of grease types and viscosities. This makes them a versatile tool that can be used in a variety of applications.
Portable: Air grease pumps are often compact and lightweight, making them easy to transport and use in different locations.
Product Paramenters
|
Parameter Item |
Specification Configuration |
|
Model |
GHB-120 |
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Inlet Pressure |
0.6-0.8Mpa |
|
Outlet Pressure |
30-40Mpa |
|
Oil Output |
0.85L/min |
|
Cylinder Diameter |
70mm |
|
Pressure Ratio |
50:1 |
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Machine Size (L×W×H) |
36×32×88cm |
|
Effective Oil Storage Capacity |
12L |
|
Applicable Oil Type |
No. 0-3 Lubricating Oil |
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Machine Net Weight |
12.5KG |
|
Oil Outlet Hose Length |
4M |
Air Intake: Compressed air enters the pump through an air motor or double-acting cylinder.
Piston Stroke: Air pressure drives a piston downward into the grease reservoir Pressure Multiplication: A 50:l ratio pump converts 100 PSI air into 5,000 PSI grease pressure (ratio x input pressure = output pressure)
check Valve Function
One-way valves prevent grease backflow; intake valve opens during piston retraction, outlet valve closes.
Discharge Cycle
Pressurized grease flows through the outlet manifold to delivery hose.
Piston Return
Reverse air flow or spring return resets piston; intake valve opens to refill pump chamber.
Key Components and Functions of Pneumatic Tools
Air Motor
Converts compressed air into reciprocating motion; consumption rated in CFM (cubic feet per minute).
01
Pressure Intensifier
Ratio cylinder that multiplies force (35:1, 50:1,65:1, or 75:1 common ratios).
02
Follower Plate
Maintains constant pressure on grease reservoir, preventing air entrapment and cavitation.
03
Relief Valve
Opens at 5,500-7,0oo PSl to protect seals and fittings from over-pressurization.
04
Air Regulator
Controls input air pressure(40-120 Psi) to adjust output flow rate.
05
Components of an Air Grease Pump
An air grease pump is an essential tool used in various industrial and automotive applications for delivering grease to hard-to-reach areas. Understanding the key components of an air grease pump is crucial to optimizing its performance and ensuring efficient lubrication processes.
The primary components of an air grease pump include the pump housing, which contains the internal mechanics; a pneumatic motor, which generates the pressure needed for grease delivery; and the grease reservoir, where the lubricant is stored before being dispensed. Additionally, there are hoses that carry the grease to the desired location and nozzles designed for precise application. Each of these components plays a vital role in the pump’s functionality, allowing it to operate smoothly and effectively under varying work conditions.
Tips: Regular maintenance is crucial for air grease pumps. Ensure the hoses and nozzles are clear of any blockages to maintain optimal flow. Also, check the pneumatic motor for air leaks that could compromise performance. By keeping these components in good condition, you can maximize the lifespan of your pump and improve its reliability in your operations.
Application of Air Pneumatic Grease Pump

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Automotive & Fleet
Lubricating vehicle chassis, bearings, and heavy equipment like tractors and excavators.
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Manufacturing & Machinery
Maintaining CNC machines, production lines, automation systems, and machine tools to ensure continuous operation.
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Heavy Industry
Used in metallurgy, construction, and off-highway mining trucks for demanding lubrication tasks.
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Marine & Port
Essential for lubricating ships, port machinery, and wharf equipment.
FAQ
We're known as one of the most experienced pneumatic tools manufacturers in China. Please rest assured to wholesale bulk customized pneumatic tools at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
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