HDL 1000-2500 / 1600-4000
Air-Hydraulic Pumps ready for immediate use at hydraulic pressures of 2500 to 4000 bar.


HDL 1000-2500 / 1600-4000

Air pressure connection and maintenance unit
with air oiler, pressure relief valve and sound suppressor.

High-capacity pressure intensifier
with safety valves for optimum and uniform pressure build-up to meet even the highest requirements. Transmission ratios: 1 bar air pressure ^ = 425 bar hydraulic pressure 1 bar air pressure ^ = 740 bar hydraulic pressure

Rugged design for workshops and construction sites.

Large aluminium tank
with 6-litre oil volume.

Distributor block
for individual selection of number and type of pressure connections, optionally also with secondary pressure limitation valve.

Foot valve for remote operation

Compressed-air connection

Primary circuit pressure relief valve
to prevent damage.

Primary circuit safety valve
to prevent damage.
Advantages
- Low air pressure for extreme working pressures 1 bar air pressure = 425 bar hydraulic pressure 1 bar air pressure = 740 bar hydraulic pressure
- Rugged, compact and durable design
- Small dimensions
- Low weight
- Immediately ready for use, fully assembled and oil filled
- All components sealed leakproof
- No pressure loss even at 4000 bar
- Manufactured in high-quality materials
- Hardened, replaceable valve seats
- Pressure relief valve with internal tank return line
- Permanently installed in mobile housing
- Low-maintenance operation
- Distributor block for up to four connections
All high-pressure units
Mounting Documentation System for controlling and monitoring the axial hydraulic tightening process of bolts.
Electro-hydraulic two-circuit high-pressure automatic control system for fully automatic pressing of hubs onto shafts and separating
Ready-to-use air-hydraulic pump up to 2,500 and 4,000 bar hydraulic pressure

Versions



Areas of Application
- The use of bolt tensioners, hydraulic nuts, ExpaTen Bolts and EcoRolls
- Tightening and loosening of oil press fits (e.g., gearwheels, flywheels, coupling hubs, roller bearings, hydraulic couplings and overload protection devices)

Quality Assurance
All HDL 1000-4000 are checked for material quality, dimensional accuracy, correct functioning and load-resistance. During order execution, they are subject to continuous quality assurance measures and are supplied together with detailed technical documentation.

Services
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