DOP ® PUMP
DREDGING EQUIPMENT
APPLICATIONS
Damen Dredging Equipment developed, I Sand and gravel mining dredging.
in cooperation with various dredging I Small scale dredging operations, such as maintenance dredging
contractors, a series of multi-functional in ports and canals.
submersible dredge pumps, the DOP® I Dredging in restricted areas.
pumps. I Unloading of hopper barges.
I Suspended from an A-frame as a deep suction dredger, down to
The heart of this versatile dredge tool is a depth of 50 meters.
a wear-resistant, compactly built dredge I Mounted on a cutter ladder.
pump with a maintenance-friendly seal. I Suitable as a mobile booster station.
All wear parts can easily be replaced I Special applications such as environmental dredging.
and, depending on the job, supplied in
different materials varying in hardness,
toughness and price. ADVANTAGES
Damen Dredging Equipment has I Proven design, already used by many contractors around the world.
more than 60 years of experience as a I Operating depth down to 500 meter.
manufacturer and designer of dredging I Multifunctional, basic pump unit can be outfitted with various
equipment. This knowledge enables us to suction heads for specific purposes.
design modifications for the DOP® pump I Executed with heavy duty mechanical seal which does not require
to suit your requirements as well as assist glandwater or grease supply.
and advise you on the operation of the I Discharge distances up to 1000 meter with a single pump.
DOP® pump. I Sphere passage impeller up to 200 mm.
I Heavy duty construction with protective casing to allow operation
in rough environments.
I Different sizes to suit client requirements.
I Very high production capacities.
I Changeable wearing parts made of high wear resistant material.
I Available with hydraulic as well as electric drive.
DOP ® PUMP
GENERAL INFORMATION
DOP1515 DOP1815 DOP2320 DOP3025 DOP3530-LD
PERFORMANCE Mixture capacity (m3/hr) 200 - 500 300 - 600 500 - 1000 800 - 1400 1200 - 2000
Pump speed approx. (rpm) 1200 1000 850 700 630
Max. power at shaft (kW) 65 95 150 250 250
HYDRAULIC REQUIREMENTS Oil flow (l/min) 190 260 430 700 700
Oil pressure (bar) 225 225 225 225 225
CUTTER / AUGER DRIVE Max. power at shaft (kW) 12 16 26 38 38
Oil flow (l/min) 35 45 75 105 105
Oil pressure (bar) 225 225 225 225 225
JETWATER Connection (diameter in mm) 75 75 100 150 150
Advised capacity (m3/hr) 50 - 125 75 - 150 125 - 250 200 - 350 300 - 475
Pressure (bar) 5 5 5 5 5
DIMENSIONS Suction bore (mm) 150 180 230 300 350
Discharge connection (mm) 180 200 250 300 350
Spherical passage (mm) 75 110 125 155 200
DOP1515 DOP1815 DOP2320 DOP3025 DOP3530-LD
WEIGHT BASIC PUMP UNIT Hydraulic driven (kgs) 900 1400 2600 4100 4300
Electric driven (kgs) 1400 2100 3500 5300 5900
DIMENSIONS A (height in mm) 1010 1360 1800 2000 2000
B (diameter in mm) 830 910 1220 1500 1500
C (height in mm) 1600 1805 1920 2080 2165
D (height in mm) 930 1075 1375 1705 1705
E (height in mm) 990 1140 2030 2195 2195
F (height in mm) 1290 1450 2640 2850 2850
G (height in mm) 1100 1240 2250 2430 2430
TYPE A TYPE C
Sand production head, standard fitted with Cutter-unit for packed sand. A fixed connection
jet-water pipe and nozzles. Suspended from a on the boom of a crane or cutter ladder is
crane or A-frame for high production capacities. necessary. This cutter-unit is separately powered
B TYPE B by a hydraulic motor.
Flat bottom head, standard fitted with jet-water TYPE D
pipe and ring around the head. Especially Dustpan head, designed for cleaning and
designed to level bottom profiles in restricted levelling workpit bottoms.
areas. TYPE E
Auger head, especially designed for accurate
dredging, for example environmental dredging
A of polluted sediments.
C D E F G
TYPE A TYPE B TYPE C TYPE D TYPE E
DOP ® PUMP
WITH VARIOUS SUCTION HEADS
OPTIONALS
JET-WATER PIPE I The replaceable wearing parts can be delivered
DISCHARGE PIPE in various qualities ranging from medium to
HYDRAULIC OR ELECTRIC DRIVE high wear resistance.
MECHANICAL SEAL I Discharge hoses or pipelines, floaters, jet-water
hoses, hydraulic hoses to drive the DOP® pump
as well as the cutter unit.
I Diesel driven powerpack or generator set to
drive the DOP® pump with the following
accessories:
– additional hydraulic drive for cutter unit;
– jet water pump;
– sound reducing casing.
I Control and monitoring equipment:
– revolution counter;
– vacuum/pressure indicator;
– depth meter;
PROTECTIVE CASING – mixture velocity meter;
SUCTION PIPE – mixture concentration meter;
JET NOZZLE – production meter;
SAND PRODUCTION HEAD – materials.
L L L
Suspended from a crane and equipped with a jet Suspended from an A-frame and equipped with In combination with a hydraulic power pack, DOP®
water ring, DOP® pumps are used for emptying a sand production head, DOP® pumps transform pumps are deployed as ‘trouble- shooters’ at various
barges. a pontoon into a sand suction dredger. sites for short periods.
M
MULTIFUNCTIONAL A DOP® pump equipped with an auger head in
combination with a backhoe pontoon is a perfect
M M dredger for environmental dredging operations.
Both deep suction dredging and cutter suction Mounted to a hydraulic excavator using a quick The auger head cleans up wide tracks on an accurate
dredging with the same suction dredger is made coupling and equipped with a cutter unit, DOP® depth and the turbidity is minimal which is necessary
possible by using a DOP® pump. pumps cut trenches for pipelines and level workpits. when dredging polluted material.
This leaflet is a brief summary
from the original specification,
which can be sent on request.
Specifications are subject to
DOP ® PUMP
modification without notice.
DAMEN DREDGING EQUIPMENT Member of the DAMEN SHIPYARDS GROUP
PB-DDE-001-0204
Edisonstraat 32 P.O. Box 1021 phone +31 (0)33 247 40 40 info@damendredging.com
3861 NE Nijkerk 3860 BA Nijkerk fax +31 (0)33 247 40 60 www.damendredging.com
The Netherlands
© No part of this leaflet may be reproduced in any form, by print, photo print, microfilm, or any other means,
without written permission from Damen Dredging Equipment.
