SECTION 1
INTRODUCTION
July 2003
1-4
05130661
1.2 Functional Description
The SL-IV 11 kW (15 hp) Waterjet Pump meets the automotive and industrial
markets needs of low to high volume production of water jet pumps. The
maximum HP water pressure is limited by a hydraulic relief valve that is
certified and sealed by TUV. No HP rupture disk is required.
The HP intensifier is a reciprocating, double-ended hydraulic operated,
electrically shifted hydraulic piston type. The HP intensifier produces water
flow at high pressure, while the HP attenuator reduces the routine fluctuations
in the HP water pressure signal. The compression ratio is 20:1 with a
maximum hydraulic pressure set at 214 bar (3,100 psi).
The recirculation hydraulic loop for cooling and filtering oil runs continuously
whenever the motor is running.
1.2.1 Functional Features
Following is a list of SL-IV 11 kW (15 hp) Waterjet Pump features:
• 4,150 bar (60,000 psi) design pressure
• 3,800 bar (55,000 psi) operating pressure
• Electronic reversing of intensifier piston
• 24vdc control wiring
• Exclusive long slow stroke
• Cartridge type hydraulic seal for easy plunger service
• Low pressure filtration
• Reduced cooling water requirements
• Meets CE requirements
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