MARZOCCHI gear pump core series and specifications

MARZOCCHI gear pump core series and specifications

1. GHP series (high pressure gear pump)
   Application scenarios: construction machinery, industrial hydraulic systems, agricultural machinery
   Core features: high pressure (maximum 250bar), high efficiency (91%-92%), long life (mechanical seal life exceeds 5000 hours)
   Key parameters：
   Displacement range: 2-63 cm3/rev
   Speed range: 500-3600 rpm
   Shaft seal type: G (mechanical seal, temperature resistance 120℃), L (lip seal), M (magnetic seal, zero leakage)
   Installation method: flange (type D)
   Upgrade features: The second generation optimizes the tooth shape to reduce pulsation and noise
2. GPM series (medium and low pressure gear pump)
   Application scenarios: lubrication system, machine tool, small hydraulic station
   Core features: low noise (≤65 dB (A)), low cost, compact design (30% lighter than GHP series)
   Key parameters：
   Displacement range: 10-25 cm3/rev
   Maximum pressure: 160 bar
   Speed range: 800-4000 rpm
   Shaft seal type: L (lip seal)
   Installation method: side panel (type F)
   Efficiency: 88%-89%
3. GHP-H series (ultra-high pressure gear pump)
   Application scenarios: injection molding machine, stamping machine, hydraulic test bench
   Core features: ultra-high pressure (maximum 350bar), high reliability, axial gap compensation technology
   Key parameters：
   Displacement range: 20-40 cm3/rev
   Speed range: 500-3000 rpm
   Shaft seal type: G (mechanical seal)
   Installation method: flange (type D)
   Shell material: high-strength ductile iron (GGG40), impact resistance increased by 50%
   Efficiency: 90%-91%
4. GPM-E series (energy-saving gear pump)
   Application scenarios: energy-saving hydraulic system, environmental protection equipment
   Core features: low energy consumption, low heat generation, compatible with biodegradable hydraulic fluids (HEES)
   Key parameters：
   Displacement range: 16-32 cm3/rev
   Maximum pressure: 200 bar
   Speed range: 800-3500 rpm
   Shaft seal type: L (lip seal)
   Installation method: side panel (type F)
   Efficiency: 90%-91% (volumetric efficiency increased by 5%)
5. ALP series (aluminum alloy gear pump)
   Application scenarios: industrial / mobile hydraulics, lubrication systems
   Core features: lightweight (aluminum alloy material), low pulsation, multi-axis selection
   Key parameters：
   Displacement range: 1.1-200 cm3/rev (divided into four sub-series ALP1-ALP4)
   Maximum pressure: 230-250 bar
   Speed range: 2800-4000 rpm
   Shaft type: tapered, cylindrical, spline shaft
   Installation method: rectangular flange, SAE C flange
   Efficiency: 85%-90%%
6. ELI/ELIKA series (low noise helical gear pump)
   Application scenarios: Noise-sensitive environments (such as medical equipment, precision machine tools)
   Core features: low noise (15 dB (A) lower than conventional gear pumps), high efficiency
   Key parameters：
   Displacement range: 7-199.8 cm3/rev (ELI2-ELI4 sub-series)
   Maximum pressure: 270-300 bar
   Speed range: suitable for ALP/GHP series installation size, strong interchangeability
7. Mini series (U/UK series)
   Application scenarios: micro-hydraulic system, precision equipment
   Core features: small displacement, compact design, high reliability
   Key parameters：
   Displacement range: 0.25-60 cm3/rev
   Maximum pressure: 250 bar
   Shaft type: flat shaft, cone shaft (1:8)
   Material: aluminum alloy

MARZOCCHI GHP series gear pump model：
GHP1A-D-2, GHP1A-D-3, GHP1A-D-4, GHP1A-D-5, GHP1A-D-6, GHP1A-D-7, GHP1A-D-9
GHP1A-D-11, GHP1A-D-13, GHP1A-D-16, GHP1A-D-20, GHP1A-D-22, GHP1A-D-25
GHP1A-D-30, GHP1A-D-34, GHP1A-D-37, GHP1A-D-40, GHP1A-D-50, GHP1A-D-63
GHP1-T-16, GHP1-MU-20, GHP1A-D-2-FG, GHP1AD-16, GHP1AD-20, GHP1A2-D-2
GHP1A2-D-3, GHP1A2-D-4, GHP1A2-D-5, GHP1A2-D-6, GHP1A2-D-7, GHP1A2-D-9
GHP1A2-D-11, GHP1A2-D-13, GHP1A2-D-16, GHP1A2-D-20, GHP2A-D-6, GHP2A-D-9
GHP2A-D-10, GHP2A-D-12, GHP2A-D-13, GHP2A-D-16, GHP2A-D-20, GHP2A-D-22
GHP2A-D-25, GHP2A-D-30, GHP2A-D-34, GHP2A-D-37, GHP2A-D-40, GHP2A-D-50
GHP2-T-20, GHP2-MU-30, GHP2A-KA-16, GHP2BK1-D-16, GHP2BK1-D-20, GHP3A-D-30
GHP3A-D-40, GHP3A-D-50, GHP3A-D-63, GHP3-MU-40, GHP3-D-50 triple pump
MARZOCCHI GPM series gear pump model：
GPM1A-F-10, GPM1A-F-12, GPM1A-F-14, GPM1A-F-16, GPM1A-F-18, GPM1A-F-20, GPM2A-F-25
GPM2A-F-28, GPM2A-F-30, GPM2A-F-32, GPM-E1-F-16, GPM-E1-F-18, GPM-E1-F-20, GPM-E1-F-22
GPM-E1-F-24, GPM-E2-F-32, GPM-E2-F-34, GPM-E2-F-36, GPM-E2-F-38, GPM-E2-F-40
MARZOCCHI ALP series gear pump model：
ALP1-D-2, ALP1-D-3, ALP1-D-4, ALP1-D-5, ALP1-D-6, ALP1-D-7, ALP1-D-9, ALP1A-D-5
ALP1AQN-D-4.1-P596B, ALP1AQHL-D-4/11-5/4-50- P606, ALP2-D-10, ALP2-D-12, ALP2-D-16
ALP2-D-20, ALP2-D-25, ALP2-A-D-20, ALP2-BK1-D-16, ALP2-BK1-D-20, ALP2-EP-25, ALP2-MU-30
ALP3-D-30, ALP3-D-40, ALP3-D-50, ALP3-D-60, ALP3-S-120, ALP3-FG-KA-50, ALP3-A-MU-60
ALP4-D-87, ALP4-D-100, ALP4-D-120, ALP4-D-150, ALP4-D-180, ALP4-D-200, ALP4A-D-90
ALP4E-D-110, ALPA1A-D-20, ALPA2-D-20, ALPA3-D-50, ALPA2-D-20+ ALPP1-D-6

Selection instructions
Pressure matching: choose GPM series for ≤160bar, GHP/ALP series for 160-250bar, GHP-H series for ≥250bar；
Scenario adaptation: choose GPM/ELI series for noise sensitivity, GPM-E series for energy-saving needs, and U/UK series for micro-equipment；
Installation requirements: limited space, choose GPM series (side panel installation), and GHP series for standard flange installation；
Special requirements: zero leakage selection GHP series (M-type magnetic seal), ultra-high pressure selection GHP-H series, compatible with environmentally friendly oil selection GPM-E series.