ComNav 1420 - Hydraulic Connections

ComNav Marine 1420 Autopilot System
Pump Models & Specifications
There are two models of ComNav pumps, defined by the maximum size of cylinder they
can be used with: 18 in
3
or 30 in
3
. Each model also has a choice for the operating voltage
of the pump’s motor: 12 or 24 VDC.
1. Model 18CI pumps are suitable for cylinders from 7 in
3
to 18 in
3
(115 cm
3
to 295 cm
3
)
in displacement
2. Model 30CI pumps are suitable for cylinders from 15 in
3
to 30 in
3
(246 cm
3
to
492 cm
3
) in displacement
Model Number: ———— 18CI ———— ———— 30CI ————
Part Number: 20810016 20810031 20810018 20810035
Operating Voltage: 12VDC 24VDC 12VDC 24VDC
Current @ 200 PSI: 4.5 Amps 3.0 Amps 6.0 Amps 3.0 Amps
Min Displacement: –– 26 in
3
(600 cm
3
) –– –– 61 in
3
(1000 cm
3
) ––
Max Displacement @ 200PSI: — 73 in
3
(1200 cm
3
) — — 122 in
3
(2000 cm
3
) —
Max Pressure: ——— 800 PSI ——— ——— 500 PSI ———
Specifications Common to All Pumps
Port Sizes: 3/8” compression fittings supplied
Min Stall Pressure: 1200 PSI (84.0 Bar) (8,268 kPa)
Oil Type: Any approved hydraulic steering fluid
Operating Temperature: 0° to 50° C (32° to 122° F)
Adjustable Flow: Yes
Lock valve: Yes
Lock valve Leakage: Negligible
Unbalanced Cylinder: Yes, up to ¾” (1.9 cm) diameter rod
Weight: 5.0 lbs (2.27 kg) including wire
Size: 10” x 3.75” x 4.75”
(25.4 cm x 9.5 cm x 12.1 cm)
Shaft Seal: 100 PSI (6.89 Bar) (689 kPa) minimum
Document PN 29010012 V1.3
24