OS Series Pneumatic Hydraulic Pump | Air-Driven High Pressure Liquid Booster Pump up to 1920 Bar

Home > Products

Safety Valve Test Bench

Valve Test Bench

Pressure Test Equipment

Gas Booster Pump: OMA Series Gas Booster Pump; OMD Series Gas Booster Pump; OMT Series Gas Booster Pump; Air Booster Pump; Gas Booster System; Air Booster System

Liquid Booster Pump

Pressure Gauge Test Equipment: Pressure Gauge Calibration Table; Pressure Gauge Fatigue Pulse Test Table; Pressure Gauge Overpressure Leak Test Bench; Pressure Gauge Cover Intelligent Edge Sealing Machine; Pressure Gauge Case Automatic Rotary Leakage Machine; Pressure Gauge Automatic Oil Filling Machine

Instrument Manifold Valves: Instrument Manifold Valves– Direct Mount (Non-Flanged Transmitter); Instrument Manifold Valves–Direct Mount (Coplanar, Flanged Transmitter); Instrument Manifold Valves– Direct Mount (Coplanar); Instrument Manifold Valves– Remote Mount

High Pressure Needle Valve

Busbar processing machine

Mixed Gas Compressor

Ferrule Fitting

OS-Series Pneumatic Hydraulic Pump

product introduction

The pneumatic hydraulic pump is designed to increase the pressure of oil, water, and chemical media. The pump uses compressed air as the driving source and converts air pressure into high hydraulic pressure through a piston intensification structure.

The pump features a compact structure, low cost, and reliable operation. Depending on the model, the maximum pressure can reach 600 MPa. pumps are widely used in industries such as petroleum, chemical processing, defense, mining machinery, engineering equipment, and aerospace.

The pneumatic hydraulic pump series includes M, MD, OS, OSD, OG, and OGD models, which can meet different pressure and flow requirements.

Get a Quote

Product Description

The pneumatic hydraulic pump operates with compressed air pressure ranging from 0.1–0.8 MPa (14.5–116 PSI). The pump uses a large-diameter air piston connected to a smaller hydraulic piston. When compressed air drives the air piston, the hydraulic piston generates higher pressure according to the piston area ratio.

The OS series pump adopts a single-acting pneumatic drive structure. The pump control valve automatically switches direction, allowing the pump to operate continuously. The gas drive components are made of aluminum alloy with anodized treatment to ensure good appearance and corrosion resistance.

The hydraulic pump head can be selected as carbon steel or stainless steel depending on the working medium.

OS-Series Pneumatic Hydraulic Pump

Technical Parameters	OS9	OS17	OS25	OS39	OS60	OS80	OS108	OS150	OS240
Pressure Ratio	9:1	17:1	25:1	39:1	60:1	80:1	108:1	150:1	240:1
Outlet Pressure PB (bar)	72	136	200	312	480	640	864	1200	1920
Free Flow Rate (L/min)	15.13	9.38	6.72	4.31	2.75	2.06	1.55	1.08	0.98
Driven Air Pressure PL (bar)	1–8	1–8	1–8	1–8	1–8	1–8	1–8	1–8	1–8
Driven Air Port Size	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″	ZG1/2″
Medium Inlet Port Size	ZG3/4″	ZG1/2″	ZG1/2″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG1/4″
Medium Outlet Port Size	ZG1/2″	ZG1/2″	ZG3/8″	ZG1/4″	ZG1/4″	ZG1/4″	M14×1.5	M14×1.5	M14×1.5
Booster Pump Material	Aluminum Alloy / Carbon Steel / Stainless Steel
Max Working Frequency (times/min)	60	60	60	60	60	60	60	60	60
Pump Stop Pressure PB	9PL	17PL	25PL	39PL	60PL	80PL	108PL	150PL	240PL
Max Working Temperature (°C)	60	60	60	60	60	60	60	60	60
Net Weight (kg)	7.2	7.1	7.1	7.1	7.1	7.1	7.1	7.1	7
Standard Seals	Polyurethane / Nitrile Rubber
Length (mm)	285	285	285	285	285	285	285	285	285
Width (mm)	140	140	140	140	140	140	140	140	140
Height (mm)	226	226	226	226	226	226	226	226	226
Oil Filling Version Ordering Code	OS90L	OS170L	OS250L	OS390L	OS600L	OS800L	OS1080L	OS1500L	OS2400L
Water Filling Version Ordering Code	OS9WL	OS17WL	OS25WL	OS39WL	OS60WL	OS80WL	OS108WL	OS150WL	OS240WL
Special Inlet and Outlet (e.g., NPT) Ordering Code	OS90L-NPT	OS170L-NPT	OS250L-NPT	OS390L-NPT	OS600L-NPT	OS800L-NPT	OS1080L-NPT	OS1500L-NPT	OS2400L-NPT

Features & Functions

Pneumatic Drive Operation
The pump operates using compressed air without electrical power.
Pressure Intensification Principle
A large air piston drives a smaller hydraulic piston to generate high pressure according to the piston area ratio.
Automatic Reciprocating Operation
The pump control valve automatically changes direction to enable continuous operation.
Compact Structure
The pump design is compact and suitable for installation in various equipment systems.
Wide Media Compatibility
Suitable for pressurizing oil, water, and chemical media.

Product Advantages

High Pressure Output
Capable of generating very high hydraulic pressure for testing and industrial applications.
Stable Operation
The pneumatic drive system ensures reliable and stable operation.
Corrosion Resistance
Gas drive components are made of anodized aluminum alloy.
Flexible Material Options
Pump heads can be manufactured from carbon steel or stainless steel depending on the working medium.

If you’d like to learn more about other models, please contact our customer service team.

Our Company Advantages

Highlight focuses on the design and manufacturing of pressure testing equipment and fluid control testing systems, supporting both standard models and project-based customization.

16+ years focused on pressure testing equipment and pneumatic boosting systems
Annual production capacity: 1000+ sets of equipment
8000+ customers served
ISO9001-based quality management implementation and stable manufacturing control
Strong engineering team for test bench configuration, fixture matching, and technical support
Export experience supporting international buyers with technical communication and documentation

Application Fields

pneumatic hydraulic pumps are widely used for:

Hydraulic testing of valves, pressure vessels, and pressure switches
Strength and fatigue testing of hydraulic components
Pressure gauge and sensor calibration
Water pressure burst testing
Leak testing
Oil well and gas emergency shut-off devices
Providing pressure sources for various hydraulic testing equipment

Installation & Operating Conditions

Installation Position

The pump can be installed in any position.
For optimal sealing performance and longer service life, vertical installation is recommended.

Drive Air Connection

The drive air port is located outside the pump control valve.
A compressed air filter and water separator should be installed to ensure clean air supply.

Working Temperature

Standard operating temperature range:-20°C to +60°C

< Previous: MD-Series Pneumatic Hydraulic Pump Next: OSD-Series Pneumatic Hydraulic Pump >