3-inch Remote Controlled Crisafulli dredger

3-inch Remote Controlled Crisafulli dredger

Principal Dimensions and Characteristics
Flotation (Pontoon): Foam Filled Polyethylene
Frame: A-36 mild steel
Length: 4.27 m 14-ft
Width: 2.44 m 8-ft
Height: 1.75 m 5.75-ft
Total Weight: 1769 kg 3900 lbs
Dredge Performance
Dredge Depth: 3.04 m 10-ft
Flow: 1892 L/min @11.58 m 500 GPM @ 38-ft (water)
Pressure 19.5 m @ shutoff 64-ft @ shutoff

Pump
Size: 76.2 mm S-Series 3-inch S-Series
Type: Centrifugal vertical direct drive
Motor: 25 hp, TEFC, 1750 RPM, 230/460 VAC
Discharge Diameter male NPT: 102 mm 4-inch
Adapter: 4-inch NPT - 4-inch male Ringlock
Max. Spherical Solid Size: 38.1 mm 1.5-inch
Pump Material of Construction
Volute: AR-400 abrasion resistant alloy
Impeller: AR-400 abrasion resistant alloy
Impeller Shaft: Stress proof alloy
Pump Frame: A-36 mild carbon steel
Shaft Coupling: Flexible 3-piece
Hoist Winch
Gear Motor
Type: Fixed Speed
Drive Motor: 3/4 hp (.56 Kw), TEFC, 230/460 VAC with brake and hand release (failsafe)
Output Speed: 18 RPM
Torque: 2630 lb. in max (297 Nm)
Line Pull: First wrap 1830 lbf
Cutterhead
Type: Horizontal opposing auger
Width: 1.37 m 4.5-feet
Depth: 381 mm 15-inch
Drive Motor: Hydraulic high torque
Support Bearing: Water Lubricated
Torque: 5577 lb in max.
Speed: 51 RPM Nominal
Material of Construction
Auger: A-36 mild carbon steel
Shroud: A-36 mild carbon steel
Tires: Hardened plow steel
Additional
Radio remote control to the control panel
Increase traverse system width to 250' wide
Increase power cable length to 575'
Pipe, Float, 4", Alum/Foam 15', w/QC
Tubing, 4" x 5' w/QC
Pipe, Float, 6", Alum/Foam 15', w/QC
Tubing, 6" x 5', w/QC
4" Wafer flange style knife gate valvue