SI-TEX 18CI Pumpset 12V
Operating at 12 volts, the SI-TEX 18CI Pumpset provides hydraulic assistance for compatible autopilot systems. Its defined 18-cubic-inch capacity helps technicians match pump output to the steering cylinder, supporting controlled rudder movement and consistent autopilot response.
SI-TEX 18CI Pumpset 12V Specifications
| Drive Type | Reversible Hydraulic Gear Pump |
| Pump/Ram Capacity | 18 Cubic Inch (18ci) System Capacity |
| Flow Rate / Speed | 1.2L per Minute Flow Rate |
| Max Pressure | 55 Bar (800 PSI) Standard |
| Cylinder Compatibility | Medium to Large Hydraulic Rams |
| Operating Voltage | 12V DC System |
| Peak Current Draw | 19 Amps Maximum Load |
| Average Power Draw | 5A - 10A Typical Cruising |
| Motor Type | Heavy-Duty Reversing DC Motor |
| Computer Compatibility | SP-70, SP-80, SP-110, NAC-2/3 |
| Port Size / Thread | 1/4" NPT Standard Fittings |
| Drive Connection | Hydraulic High-Pressure Lines |
| Rotation/Stroke Direction | Dual-Direction Precision Flow |
| Mounting Type | Vertical or Horizontal Foot Mount |
| Housing Material | Anodized Aluminum & Steel Alloy |
| Waterproof Rating | IP55 Marine Protected |
| Operating Temperature | -15°C to +55°C Marine Grade |
| Length (Overall) | 205 mm Chassis Profile |
| Width/Diameter | 95 mm Body Diameter |
| Weight | 3.5 kg (7.7 lbs) |
| Included Accessories | Mounting Hardware, Sealing Kit |
| Key Mechanical Feature | Precision gear pump for smooth steering |
Common Question of SI-TEX 18CI Pumpset
What is the 18CI Pumpset?
The SI-TEX 18CI Pumpset is a hydraulic autopilot pump set for compatible steering systems, using 12V power according to the listing. Confirm cylinder volume, hydraulic fittings, hoses, control computer, battery, wiring, and hydraulic autopilot system compatibility before installation.
What cylinder size does it support?
The 18CI designation identifies an intended hydraulic-cylinder capacity of 18 cubic inches. Confirm the steering cylinder’s actual volume, hose dimensions, pump direction, control unit, voltage, current draw, and mounting requirements before purchase for proper autopilot performance.
Does it operate a windlass?
No. The SI-TEX pumpset moves hydraulic steering fluid for autopilot control and does not handle chain, rope, gypsy, or anchor drums. It is not an anchor windlass component. Verify separate anchoring equipment.
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