M-Series Pneumatic Hydraulic Pump

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product introduction

The pneumatic hydraulic pump is a high-pressure liquid intensifier designed to boost 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 amplification structure.

The ODMT pump features a compact structure, stable performance, and reliable operation. The maximum pressure can reach 600 MPa depending on the model. It is widely used in pressure testing, hydraulic component testing, and various industrial high-pressure applications.

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

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Product Description

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

During operation, when the outlet pressure increases and reaches the equilibrium pressure, the pump will automatically slow down and stop working. When the outlet pressure decreases or the driving air pressure increases, the pump automatically starts again.

This working principle allows the pump to maintain stable pressure output without continuous energy consumption.

M-Series Pneumatic Hydraulic Pump

Technical Parameters	M4	M10	M16	M30	M44	M64	M100	M170
Pressure Ratio	4:1	10:1	16:1	30:1	44:1	64:1	100:1	170:1
Outlet Pressure PB (bar)	32	80	128	240	352	512	800	1360
Free Flow Rate (L/min)	14.81	7.07	4.55	2.22	1.36	0.72	0.48	0.28
Driven Air Pressure PL (bar)	1–8	1–8	1–8	1–8	1–8	1–8	1–8	1–8
Driven Air Port Size	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″
Medium Inlet Port Size	ZG3/4″	ZG1/2″	ZG1/2″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″	ZG3/8″
Medium Outlet Port Size	ZG1/2″	ZG1/2″	ZG3/8″	ZG1/4″	ZG1/4″	ZG1/4″	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
Pump Stop Pressure PB	4PL	10PL	16PL	30PL	44PL	64PL	100PL	170PL
Max Working Temperature (°C)	60	60	60	60	60	60	60	60
Net Weight (kg)	4.8	4.3	4.2	4.2	4.1	4.1	4.1	4.1
Standard Seals	Polyurethane / Nitrile Rubber
Length (mm)	249	224	224	224	224	224	224	226
Width (mm)	143	106	106	106	109	109	109	108
Height (mm)	133	133	133	133	133	133	133	133
Oil Filling Version Ordering Code	M40L	M100L	M160L	M300L	M440L	M640L	M1000L	M1700L
Water Filling Version Ordering Code	M4WL	M10WL	M16WL	M30WL	M44WL	M64WL	M100WL	M170WL
Special Outlet (e.g., NPT) Ordering Code	M4OL-NPT	M10OL-NPT	M16OL-NPT	M30OL-NPT	M44OL-NPT	M64OL-NPT	M100OL-NPT	M170OL-NPT
Other options are available upon request.

Features & Functions

Air Driven Operation
The pump uses compressed air as the driving power and does not require electrical power.
Pressure Amplification Principle
A large-diameter air piston and small-diameter hydraulic piston structure creates pressure amplification based on piston area ratio.
Automatic Start and Stop
The pump automatically stops when outlet pressure reaches equilibrium and restarts when pressure drops.
Stable Pressure Output
The pump maintains stable pressure during operation.
Compact Structure
The pump features a compact and simple design suitable for integration into testing systems.

Product Advantages

High Pressure Capability
The pump can generate very high hydraulic pressure through pneumatic drive and piston amplification.
Automatic Pressure Regulation
The pump automatically adjusts operation according to outlet pressure conditions.
Reliable Operation
Simple mechanical structure ensures stable and reliable performance.
Flexible Model Selection
Multiple models and pressure ratios are available to meet different pressure and flow requirements.

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