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Rexroth gear pump, Parker gear pump, Nachi gear pump

更新时间：2026-04-23 18:08:12??

1. REXROTH Gear Pumps

1.1 AZPF Series (Fixed Displacement External Gear Pumps)

The AZPF series is a high-reliability fixed displacement external gear pump developed by REXROTH, featuring compact structure, low noise, and strong anti-pollution performance. It is widely used in industrial hydraulic systems, especially in occasions requiring stable oil supply and small installation space.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Control Mode
Typical Application
AZPF-11-005RCB20MB
5.5
250
1800
Fixed displacement
Industrial hydraulic stations
AZPF-10-016RCB20MB
16.0
250
2000
Fixed displacement
Small hydraulic equipment

1.2 PGF Series (Fixed Displacement External Gear Pumps)

The PGF series is a high-pressure fixed displacement gear pump with high volumetric efficiency and long service life. It adopts advanced gear processing technology, which can adapt to harsh working conditions and is suitable for medium and high-pressure hydraulic systems in machine tools and plastic machinery.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Control Mode
Housing Material
PGF2-22/045RE01VE4
45.0
210
2800
Fixed displacement
Cast iron
PGF2-22/025RE01VE4
25.0
210
3000
Fixed displacement
Cast iron
Note: The AZPF/PGF series also includes double pump configurations (e.g., AZPF-10-016 + AZPF-11-005) with combined displacement ranges from 11.5 cm³/rev to 61.0 cm³/rev.

2. Parker Gear Pumps

2.1 PGP511 Series (Fixed Displacement External Gear Pumps)

The PGP511 series is a high-pressure, low-noise fixed displacement external gear pump with aluminum housing and 12-tooth design, featuring compact structure and high efficiency. It is widely used in construction machinery, agricultural machinery and hydraulic power units.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Control Mode
Typical Application
PGP511A0080CK1H2ND5D4S
8.0
300
3500
Fixed displacement
Construction machinery
PGP511B0080CK1H2ND5D4S
8.0×2
300
3500
Fixed displacement (double pump)
Hydraulic power units

2.2 PGP610 Series (Fixed Displacement External Gear Pumps)

The PGP610 series is a medium-flow fixed displacement gear pump designed for medium-pressure systems, with high manufacturing precision and durability. It is suitable for port machinery, agricultural machinery and industrial hydraulic systems.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Noise Level (dB(A))
Housing Material
PGP610B0100CK1H2ND5D4S
10.0
280
3000
≤72
Aluminum alloy
PGP610A0150CK1H2ND5D4S
15.0
280
2800
≤75
Aluminum alloy

3. Nachi Gear Pumps

3.1 IPH Series (Fixed Displacement Internal Gear Pumps)

The IPH series is a high-efficiency, low-noise fixed displacement internal gear pump with patent axial and radial pressure compensation design. It has stable performance and long service life, suitable for small hydraulic systems and precision hydraulic equipment.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Control Mode
Typical Application
IPH-2B-5-11
5.0
210
2500
Fixed displacement
Small hydraulic systems
IPH-3B-10-11
10.0
250
2200
Fixed displacement
Precision machine tools

3.2 IPH-G Series (Fixed Displacement Internal Gear Pumps)

The IPH-G series is an upgraded version of the IPH series, with higher pressure resistance and better volumetric efficiency. It adopts a two-section housing design, which is easy to maintain and suitable for high-precision hydraulic systems in metallurgical and plastic machinery.
Model
Displacement (cm³/rev)
Maximum Pressure (bar)
Maximum Speed (rpm)
Weight (kg)
Application
IPH-G-4B-20-11
20.0
250
2000
6.8
Plastic machinery
IPH-G-5B-32-11
32.0
250
1800
10.5
Metallurgical equipment
Note: The IPH series also includes double pump configurations (e.g., IPH-2B-5-11 + IPH-3B-10-11) with combined displacement ranges from 15.0 cm³/rev to 42.0 cm³/rev.

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