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PERMCO Hydraulic Pumps - Dual Pressure Relief Dump Pump Gemini DG-20-Z-L-AS-25/32 Description
PERMCO Hydraulic Pumps - Dual Pressure Relief Dump Pump Gemini DG-20-Z-L-AS-25/32
BRAND NAME: PERMCO Hydraulic Pumps
MODEL NO: Dual Pressure Relief Dump Pump Gemini DG-20-Z-L-AS-25/32
Dual Pressure Relief: low for dump bodies, high for live floors
Easy to switch from low to high pressure using truck air
Large 1 ½” NPT suction port in the gear housing
Three-line system for continuous duty
Field-adjustable relief settings
Dowelled construction
37 GPM @ 1800 RPM
100% factory tested
Heavy-duty “controlled stress” roller bearings
Factory-installed “OEM” air shift with full metering capabilities
Direct mount SAE “B” 4 bolt or twin shafted remote mount with bracket
The relief valve protects the high-pressure portion of the system as well as the pump
PERMCO Hydraulic Pumps are American-made, heavy-duty hydraulic pumps built to deliver exceptional performance in high-demand industrial and mobile hydraulic systems. With a reputation for quality, customizability, and durability, PERMCO specializes in gear and vane pumps suitable for high-pressure fluid power applications. Whether it’s powering dump trucks, construction machinery, or factory automation systems, PERMCO pumps are designed to withstand rugged conditions while maintaining long-term reliability and efficiency.
Common Applications:
Dump trucks and vocational vehicles (PTO systems)
Construction machinery (loaders, excavators, mixers)
Agricultural equipment (tractors, sprayers)
Industrial hydraulic presses and machinery
Refuse and sanitation trucks
Marine and offshore hydraulic systems
Snowplows, cranes, and lift systems
Mining and material handling equipment
Hydraulic power units (HPUs)
Key Features:
Rugged Construction
Built with cast iron or aluminum for demanding environments.
High Operating Pressures
Designed to handle pressures up to 4000+ PSI, depending on model.
Wide Range of Displacements
Accommodates various flow and torque requirements.
Custom Configurations Available
Modular design allows easy adaptation to specific systems.
High Efficiency
Tight tolerances and precision machining reduce energy loss.
Reliable in Harsh Conditions
Proven performance in extreme temperature and workload scenarios.
Dual or Multiple Pump Assemblies
Available in tandem and combination units for multi-function use.
Types of PERMCO Pumps:
Gear Pumps – Heavy-duty, high-pressure pumps for industrial and mobile equipment.
Vane Pumps – Low-noise, smooth-flow pumps ideal for industrial applications.
Dump Pumps – PTO-driven pumps designed for dump trucks and refuse vehicles.
Combination Pumps – Dual or triple section pumps for multi-function hydraulic systems.
Reversible Pumps – Allow bi-directional flow; used in winches and lift systems.
Pump-Motor Units – Integrated hydraulic pump and motor assemblies for compact systems.
