Skip to content

SL-550

Hydraulic Power Unit – Medium Duty

The SL-550 was designed and built to fully service small airliners, corporate aircraft and many military aircraft. Simplified operation, completely self-contained. It is offered in three basic models, 10 GPM, 15 GPM and 20 GPM.

STANDARD FEATURES:

  • ADJUSTABLE FLOW RATE
  • ADJUSTABLE PRESSURE (350-3600PSIG)
  • DIAL FACE FLOW METER
  • DELIVERY PRESSURE GAUGE w/CAL PORT            
  • FLUID TEMPERATURE GAUGE
  • PRESSURE AND RETURN HOSES (25 feet)
  • PRESSURE & RETURN SHUT-OFF VALVES
  • STAINLESS STEEL RESERVOIR (30 gallon) w/ DESICCANT BREATHER
  • RESERVOIR SELECTOR VALVE
  • OVER PRESSURE SAFETY SYSTEM
  • OIL COOLER WITH ELECTRIC FAN
  • FILTERS INCLUDE CLOGGING INDICATORS
  • BYPASS DUMP VALVE
  • STAINLESS STEEL TUBING
  • PRESSURE COMPENSATED VARIABLE VOLUME PISTON PUMP w/ LOAD SENSE
  • PRESSURE FILTER (2 micron)
  • RETURN FILTER (5 micron)
  • RESERVOIR FLUID LEVEL INDICATOR
  • FINISH: CORROSION RESISTANT POLYURETHANE
  • FLUID SAMPLE VALVE (online or bottle sample)
  • RUNNING WARNING LIGHT
  • 8 x 2 CASTERS w/ SWIVEL LOCKS
  • 380-440/208-460V, 3 PHASE, 50/60HZ
  • HOUR METER
  • POWER CORD (50 feet, other lengths available)
  • HEAVY DUTY MOTOR STARTER WITH OVERLOAD PROTECTION AND RESET
  • CABINET SIZE 60” Long x 44” High x 38” Wide

PART NUMBERS:

  • SL-550-10 – 0-10 GMP FLOW RATE (20hp)
  • SL-550-15 – 0-15 GPM FLOW RATE (25hp)
  • SL-550-20 – 0-20 GPM FLOW RATE (30hp)

NOTE: Maximum flow will be reduced by 17% on 50 HZ systems without option 41.

OPTIONS:

  • 08 – Return Fluid Sight Glass
  • 09 – Dual System (2nd Pressure & Return Hose w/Shut off Valves)
  • 11 – Over Temperature Shutoff Sensor
  • 14 – 50-foot hoses
  • 17 – Hand Pump (5000psi)
  • 41 – 50Hz Motor – This will allow flow rate as specified
  • 43 – System 2 Independent Pressure Control
  • 48 – Diesel Engine
  • 49 – Return Pressure Control
  • 50 – Dual System Crossover Check – primarily used with helicopters to text crossover system.
  • 57 – Electric Filter Clogging Indicators
  • 58 – Electric Reservoir Level Sensor
  • 59 – Voltage/Phase monitor

FLUIDS:

  • Option A – MIL-H-5606 Fluid (Standard)
  • Option B – SKYDROL
  • Option C – MIL-H-83282
  • Option D – HYJET IV
  • Option E – Mobile DTE-25
  • Option F – DOD-L-85734
  • Option G – MIL-PRF-87257
  • Other fluids available upon request.