DOC - DOMO - DIWA - DN - DL SERIES

DEWATERING, 

SUMP, EFFLUENT 

AND SEWAGE PUMPS 

60 Hz 

DOC - DOMO - DIWA - DN - DL 

SERIES 

EDITION 03-2004

CONTENTS 

Typical Applications 

Specifications for dirty water handling pumps 

(not for use with large-diameter suspended solids)............................. 4 

5 

DOC Series 

Submersible electric pumps for dirty water ......................................... 

10 

DIWA Series 


15 

DOMO Series 

Submersible electric pumps for solids-laden wastewater ..................... 

21 

DN Series 


25 

DL Series 

Submersible electric pumps for solids-laden wastewater ..................... 

Technical appendix.................................................................... 32

TYPICAL APPLICATIONS 

Corrosive industrial sewage 

Pumping of sludge, mud 

Emptying of residential sump pits (apartment complexes) X 

Emptying of residential sump pits (detached houses, Fresh water supply X X 

Pumping of sludge, mud 

Corrosive industrial sewage 

Fresh water supply X X X X X 

Irrigation X X X X X 

Draining of construction sites X X 

Draining of basements, tanks X X X 

Draining of basements, tanks X X X 

Emptying of residential sump pits (apartment complexes) 

Emptying of residential sump pits (detached houses, 

small condominiums) 

Handling of liquids containing abrasives (sand) 

Saltwater supply 

Fresh water supply 

Irrigation 

Draining of construction sites 

Handling of wastewater not containing large-diameter solids 

(washbasins, showers, no WC) 

Draining of basements, tanks 

DOC 

DIWA 

DN 

DOMO 

DL 

4

Submersible 

Electric 

Pumps for 

Dirty Water 

DOC Series 

DOC pumps are versatile, corrosion-resistant and 

compact. Different versions are available with 0.25 to 

0.55 kW motor powers. 

A DOC 7VX version with Vortex impeller is also available. 

APPLICATIONS 

• Emptying of residential sump pits, 

rainwater tanks or laundry drainage. 

• Garden and lawn irrigation, with 

suction from rainwater tanks. 

• Emergency draining of flooded 

basements, garages and cellars. 

• Transfer of water from tanks, 

cisterns and swimming pools. 

SPECIFICATIONS 

• Maximum liquid 

temperature: 40°C with 

partially submerged pump. 

Dry motor. 

Maximum immersion depth: 5 m.. 

Class B insulation. 

• The DOC 3 pump has a capacity of 

140 l/min, head up to 7 m, and 

passes suspended solids up 

to 10 mm in diameter. Singlephase 

version only. 

• The DOC 7 pump has a capacity of 

220 l/min, head up to 11 m, and 

passes suspended solids up 

to 10 mm in diameter. 

• The DOC 7VX pump has a 

capacity of 180 l/min, head up to 

7 m, and can handle liquids with 

suspended solids up to 20 

mm in diameter. 

• 

A “shallow-suction device”, 

that can be mounted on both the 

DOC3 and DOC7 models, is 

available on request. It ensures 

complete drainage of flooded floors 

(to 3 mm from floor). 

• Versions: 

Single-phase 220 V 60 Hz 

2 poles. 

Three-phase 380 V 60 Hz 

2 poles. 

60 Hz and floatless (SG) models are 

available on request. 

• 

The single-phase versions 

feature: 

Pre-assembled float for 

automatic pump operation (version 

without float available on request). 

Built-in capacitor. 

Thermal overload 

protection to stop pump supply 

in case of overheating. 

LAB-LIP SEAL SYSTEM 

• The electric motor is protected by 

three lip seals. 

An impeller 

counterbladesystem keeps solid 

particles away from the seal unit to 

prevent damage to the lip seals and 

ensure their long-lasting efficiency. 

A double labyrinth and a V-ring 

on the shaft have also been 

provided. 

• Other voltages available on request. 

TABLE OF MATERIALS 

PART MATERIAL 

Pump body 

Suction screen 

MATERIAL 

Handle 

Upper support 

Impeller 

STAINLESS STEEL 

Outer sleeve (AISI 304 - DIN 1.4301) 

Motor Casing 

Lower cover 


Screws and tie-rods (AISI 416 - DIN 1.4005) 

Shaft extension 

NITRILE RUBBER 

Elastomers 

(NBR) 

5

PUMP SECTION AND LIST OF MAIN COMPONENTS 

1 Upper head with handle 

Made of fiberglass-reinforced Noryl, it houses the capacitor 

and connection terminals. 

2 Test hole 

The tightness of the motor seals is tested by injecting 

compressed air (0.5 bar). 

3 Float 

In compliance with European standards 

4 Cable gland 

The float cable can be secured at different lengths to start the 

pump at the desired liquid level. 

5 1 /4” delivery port 

6 HO5RN-F type power supply cable 

(Version with 10-metre length of HO5RN-F cable is 

available on request). 

7 Motor casing with upper bearing housing 

AISI 304 stainless steel, single-piece design, no welds. 

The liquid circulates around the motor ensuring optimum 

cooling. 

8 Capacitor 

9 Dry wound motor 

Class F windings and built-in thermal protector 

(for single-phase versions). 

10 External jacket 

AISI 304 stainless steel, single-piece design, 

no welds. 

11 Pump body 

Made of fiberglass-reinforced Noryl. 

12 Triple lip seal 

13 Shaft 

AISI 416 stainless steel. 

14 Impeller 

Open centrifugal type, made of fibreglass-reinforced Noryl. 

The impeller’s rear counterblades (14a) centrifuge the solid 

particles and, together with the ring (14b), protect the seal 

unit from abrasion. 

15 Suction screen 

Made of reinforced Noryl, it prevents the passage of solids 

over 10 mm in diameter (20 mm for DOC 7VX). A low suction 

screen (3 mm) is also available on request. 

16 Lower cover 

• All elastomers are made of nitrile rubber (NBR). 

• AISI 304 stainless steel screws and tie-rods. 

6

DOC SERIES 

OPERATING CHARACTERISTICS AT 3450 rpm, 60 Hz 

HYDRAULIC PERFORMANCE TABLE AT 60 Hz 

PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 25 50 75 100 125 140 180 220 

m 3 /h 0 1,5 3 4,5 6 7,5 8,4 10,8 13,2 

H = TOTAL HEAD METRES COLUMN OF WATER 

DOC36 - DOC36 GT 0,25 0,33 6,8 6,3 5,7 5 4,1 3,0 2,1 - - 

DOC76(T) - DOC76 GT 0,55 0,75 10,6 - 10,3 9,9 9,2 8,4 7,7 5,6 2,9 

DOC76VX(T) - 0,55 0,75 6,7 - 6,4 6 5,4 4,6 4,1 2,5 - 

These performances are valid for liquids with density ρ = 1.0kg/dm and kinematic viscosity ν = 1mm/sec 

doc-2p60-en_a_th 

ELECTRICAL DATA (60Hz, 3450 rpm) DOC SERIES 

PUMP TYPE INPUT INPUT CAPACITOR PUMP TYPE INPUT INPUT INPUT 

POWER* CURRENT* POWER* CURRENT* CURRENT* 

SINGLE-PHASE 220-230 V THREE-PHASE 220-230 V 380-400 V 

kW A µF / 450 V kW A (1) A 

DOC36 - DOC36 GT 0,32 1,47 6,3 - - - - 

DOC76 - DOC76 GT 0,76 3,45 16 DOC 76T 0,69 - 1,27 

DOC76VX - 0,73 3,33 16 DOC 76VXT 0,66 - 1,24 

*Maximum value in specified range 

(1) Available on request 

doc-2p60-en_a_te 

7


DIMENSIONS AND WEIGHTS 

PUMP TYPE 

DIMENSIONS (mm) 

WEIGHT 

F H D X* kg 

DOC36 DOC36 GT 245 188 155 20 4 

DOC76(T) DOC76(T) GT 285 228 155 20 6 

DOC76VX(T) - 310 252 175 45 6 

* Minimum liquid level doc-2p60-en_a_td 

8


INSTALLATION EXAMPLES 

PUMP TYPE 

A B C D H 



DOC76VX - 390 395 115 375 - 

ACCESSORIES 


MINIMUM WATER 

LEVEL 

MAXIMUM WATER 

LEVEL 

MINIMUM WATER 

LEVEL 

docliv-2p60-en_a_td 

Lover suction device VRD check valve RPG pipe fitting 

9

Submersible 

Electric 

Pumps for 

Dirty Water 

DIWA Series 

Submersible pumps for dirty water manufactured in 

AISI 304 stainless steel. Head up to 20 metrers, capacity 

up to 425 l/min (25.5 m 3 /h). 

Four basic versions with 0.55 (0.75 HP) to 1.5 kW (2HP) 

rated power. 

DRIVELUB SEAL SYSTEM 

Diffuser plate coated with polyurethane elastomer for 

maximum abrasion resistance. 


2 poles. 

Other voltages available on request. 

• Motor power 

– 0.55 to 1.1 kW for 

single-phase version. 

– 0.55 to 1.5 kW for 

three-phase version. 

The single-phase versions features: 

Pre-assembled float (version 


Built-in capacitor (except for 

DIWA 11 version with control box on 

cable). 

Thermal protector. 

- Floatless (SG) versions available. 

APPLICATIONS 

• 

basements. 

• Fountains. 

• 

Draining of cellars, garages, 

Draining of construction sites. 

Emptying of tanks and reservoirs. 

Lawn and garden irrigation. 

Pumping of domestic wastewater 

(washing machines, showers, sinks). 

Emptying of tanks in industrial and 

ecological applications. 


Liquid temperature up to 50°C. 

Open impeller. 

• Minimum level of pumped liquid: 

25 mm. 

• Suspended solids handled 

up to 8 mm in diameter. 

• Maximum immersion depth: 

7m. 

• 10 meters of HO7RN-F type 

neoprene power cord. 

• Dry motor (class F insulation) 

cooled by pumped liquid. 

• Versions: 

Single-phase 220 V 60 Hz 2 

poles with built-in thermal protector. 

DRIVELUB SEAL 

SYSTEM 

• Watertight electric motor protected 

by multiple seal system with oil 

chamber. 

A V-ring and silicon carbide 

mechanical seal (extremely res 

stant to wear and abrasion), as well 

as a lip seal which is conti 

nuously lubricated by the 

DRIVELUB system, provide an 

extremely efficient barrier against 

ingress. 


PART 

MATERIAL 

Pump body 

Motor casing 

Outer sleeve 


Impeller (AISI 304 - DIN 1.4301) 


Suction screen 

Nuts and bolts 

Front diffuser plate 


(AISI 304 - DIN 1.4301) 

COATED WITH 

POLYURETHANE 

ELASTOMER 

Lower mechanical seal 

SILICON CARBIDE/ 

Upper lip seal 

SILICON CARBIDE 

Elastomers 


Handle 


(AISI 304 - DIN 1.4301) 

COATED WITH 

POLYACETAL RESINS 

10


1 Handle. 

Made of AISI 304 – DIN 1.4301 stainless steel 

coated with polyacetal resins. 

2 Cable gland. 

The float cable can be secured at different 

lengths to start the pump at the desired liquid 

level. 

3 Float. 

In compliance with European standards. 

4 Power supply cable. 

HO7RN-F type. 

5 Motor. 

With dry winding, class F insulation. 

6 Cooling jacket. 

AISI 304 – DIN 1.4301 stainless steel. 

7 Motor casing and pump body. 


8 Seal system. 

Lowara – DRIVELUB double seal with oil 

chamber. 

9 Impeller. 

AISI 304 – DIN 1.4301 stainless steel open 

impeller. 

10 Diffuser plate. 

AISI 304 – DIN 1.4301 stainless steel coated 

with abrasion-resistant polyurethane resin. 

11 Filter. 


25 mm minimum level of pumped liquid, passes 

solids up to 8 mm dia. 

The Lowara S.p.A. research laboratories have developed an 

original method for detecting wear through the use of fluids 

containing abrasive particles. When tested after 100 hours of 

operation, pumps with traditional coatings reveal a high degree 

of wear. DIWA, thanks to its novel coating, shows no sign of 

abrasion. The pump’s characteristic curves and performance 

remain unaltered for a period approximately 5 times longer than 

pumps with traditional coatings. 

11

DIWA SERIES 



PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 100 125 150 200 225 250 275 300 325 350 420 

m 3 /h 0 6 7,5 9 12 13,5 15 16,5 18 19,5 21 25,2 

DIWA056(T) - DIWA056 GT 0,55 0,75 11 8,7 8,1 7,3 5,6 4,7 3,8 2,8 - - - - 

DIWA 076(T) - DIWA076 GT 0,75 1 13,4 11 10,3 9,5 7,8 6,9 6 5 3,9 2,8 - - 

DIWA 116(T) - DIWA116 GT 1,1 1,5 16 - - 12 10,3 9,3 8,3 7,3 6,3 5,2 4 - 

DIWA 156T - 1,5 2 20 - - 15 13,4 12,5 11,6 10,7 9,7 8,6 7,5 4 



ELECTRICAL DATA (60 Hz, 3450 rpm) DIWA SERIES 

diwa-2p60-en_a_th 




kW A µF / 450 V kW A (1) A 

DIWA 056 - DIWA056 GT 0,92 4,53 20 DIWA 056T 0,81 - 1,42 



- - - - DIWA 156T 1,78 - 3,21 



diwa-2p60-en_a_te 

12



PUMP TYPE DIMENSIONS (mm) WEIGHT PUMP TYPE DIMENSIONS (mm) WEIGHT 

SINGLE-PHASE 

THREE-PHASE 

F H kg F H kg 

DIWA056 DIWA056 GT 358 340 13 DIWA056T 343 325 12 

DIWA076 DIWA076 GT 388 370 14,3 DIWA076T 358 340 13 

DIWA116 DIWA116 GT 388 370 17 DIWA116T 388 370 15 

- - - - - DIWA156T 388 370 16,5 

diwa-2p60-en_a_td 

13


INSTALLATION EXAMPLES 

PUMP TYPE 


F L L1 H1 H2 

DIWA056 DIWA056 GT 358 484 395 445 175 



diwaliv-2p60-en_a_td 

14

Submersible 

Electric 

Pumps for 

Solid-laden 

Wastewater 

DOMO Series 

The DOMO series electric pumps are available with 

twin-channel or vortex impeller (DOMO VX). 

Designed to handle suspended solids up to 50 mm in 

diameter (35 mm for DOMO 7 and DOMO 7VX). 

Four basic versions with 0.55 (0.75 HP) to 1.5 kW (2HP) 

rated power. 

DRIVELUB SEAL SYSTEM. 

APPLICATIONS 

• Pumping of effluent (VX versions 

can also handle suspended solids). 

• Emptying of septic tanks and 

residential sumps. 

• Draining of flooded basements and 

garages. 


• Continuous duty with 35°C 

liquids and fully submerged pump. 

Dry motor (class F insulation). 

• HO7RN-F type neoprene power 

cord. 

• 

Maximum immersion depth: 

5 m. 

• Versions: 


2 poles. 


2 poles. 

Other voltages are available on 

request. 

• 

Motor power 

0.55 to 1.1 kW for 

single-phase versions. 

0.55 to 1.5 kW for 

three-phase versions. 

• 

The single-phase versions feature: 

Pre-assembled float (version 


Integrated capacitor (except 

for DOMO 15 and DOMO 15 VX 

with control box on cable). 

Thermal overload 

protection. 

• The DOMO 7 and DOMO 7VX 

versions feature: 

– Rp 1 1 /2” delivery port (female 

gas). 

– Handling of suspended solids 


– Fiberglass-reinforced 

nylon impeller (stainless steel 

impeller also available). 

• 

The DOMO 10-15-20 and 

DOMO 10-15-20 VX versions 

feature: 

– 2” delivery port, female gas 

(can be turned into a flanged 

version if an optional accessory 

is installed). 

– Handling of suspended solids 


– Stainless steel twinchannel 

or vortex impeller. 


• Watertight electric motor protected 

by multiple seal system with oil 

chamber. 

A V-ring and silicon carbide 

mechanical seal (extremely 

resistant to wear and abrasion), as 

well as a lip seal which is 

continuously lubricated thanks to 

the DRIVELUB system, provide 

an extremely efficient barrier against 

infiltration. 


PART 

MATERIAL 

Pump body, 


Motor casing (AISI 304 - DIN 1.4301) 

DOMO 7 (VX) impeller 

FIBERGLASS-REINFORCED 

NYLON 

DOMO 10-15-20 (VX) impeller STANINLESS STEEL 

(AISI 304 - DIN 1.4301) 

Lower mechanical seal 

SILICON CARBIDE/ 

SILICON CARBIDE 

Upper lip seal 



STAINLESS RUBBER 

(AISI 304 - DIN 1.4301) 

Handle 

NYLON 

15


1 Handle 

Made of fiberglass-reinforced nylon. 

2 Test hole 

The tightness of the motor joints is tested by 

injecting compressed air. 

3 Float 

In compliance with European standards 

4 Cable gland 

The float cable can be secured at different 

lenghts to start the pump at the desired 

liquid level. 

5 HO7RN-F type power supply 

cables. 

6 Capacitor 

7 Dry wound motor 

Class F windings and built-in thermal 

protector (for single-phase versions). 

8 Motor casing and pump body 


9 Seal system 

10 Shaft 


11 Delivery port 

2” (50 mm) diam. except for DOMO 7 (VX) 

that has 1 1 /4” (35 mm) ports. 

12 Impeller 

Vortex or twin-channel type, made of AISI 

304 stainless steel; DOMO 7 (VX) has a 

fibreglass-reinforced nylon impeller. 

A) All elastomers are made of nitrile rubber 

(NBR). 

B) All bolts and washers are made of AISI 304 

stainless steel. 


The electric motor is protected from ingress by a double 

seal system with oil chamber. 

A V-ring (A) made of nitrile rubber adheres like a suction 

cup to the upper surface and constitutes a first efficient 

barrier that prevents solid particles from coming into 

contact with the mechanical seal. 

The mechanical seal (B) made of silicon carbide (SIC 

SEAL) is extremely resistant to abrasion thanks to its 

exceptional hardness. 

The second seal is a lip one (C). It is continuously 

lubricated thanks to the rotation of the mechanical seal 

spring which drives up the oil (ESSO MARCOL 82) 

conveyed by the pipe (D). 

16

DOMO SERIES 



PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 100 150 200 250 280 350 400 500 600 670 

m 3 /h 0 6 9 12 15 16,8 21 24 30 36 40,2 

DOMO S76(T) - DOMO S76 GT 0,55 0,75 10,5 7,5 6,4 5,1 3,5 2,4 - - - - - 

DOMO106(T) - DOMO106 GT 0,75 1 8,8 7,4 6,7 6,1 5,5 5,1 4,3 3,7 2,2 - - 

DOMO156(T) - DOMO156 GT 1,1 1,5 12,4 - 9,6 8,8 8,1 7,7 6,8 6,1 4,7 3 - 

DOMO206T - 1,5 2 14,5 - - 11,2 10,4 10 9 8,2 6,6 4,9 3,5 



ELECTRICAL DATA (60 Hz, 3450 rpm) DOMO SERIES 

domo-2p60-en_a_th 




kW A µF / 450 V kW A (1) A 

DOMO S76 - DOMO S76 GT 0,84 4,21 20 DOMO S76T 0,73 - 1,32 

DOMO106 - DOMO106 GT 1,1 5,39 22 DOMO106T 1,05 - 1,97 

DOMO156 - DOMO156 GT 1,56 7,03 30 DOMO156T 1,45 - 2,54 

- - - - DOMO206T 1,79 - 3,23 



domo-2p60-en_a_te 

17

DOMO VX SERIES 



PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 80 100 150 200 230 300 350 400 500 

m 3 /h 0 4,8 6 9 12 13,8 18 21 24 30 

DOMO S76VX(T) - DOMO S76VX GT 0,55 0,75 8 5,9 5,5 4,3 3,1 2,3 - - - - 

DOMO106VX(T) - DOMO106VX GT 0,75 1 7,4 - 6,3 5,5 4,7 4,2 2,9 1,9 - - 

DOMO156VX(T) - DOMO156VX GT 1,1 1,5 10 - 8,8 8,2 7,4 6,9 5,6 4,6 3,5 - 

DOMO206VXT - 1,5 2 11,8 - - 10,5 9,9 9,6 8,6 7,8 6,8 4,5 



ELECTRICAL DATA (60 Hz, 3450 rpm) DOMO VX SERIES 

domovx-2p60-en_a_th 




kW A µF / 450 V kW A (1) A 

DOMO S76VX - DOMO S76VX GT 0,84 4,22 20 DOMO S76VXT 0,73 - 1,33 

DOMO106VX - DOMO106VX GT 1,1 5,40 22 DOMO106VXT 1,05 - 1,98 

DOMO156VX - DOMO156VX GT 1,57 7,08 30 DOMO156VXT 1,46 - 2,56 

- - - - DOMO206VXT 1,84 - 3,30 



domovx-2p60-en_a_te 

18



PUMP TYPE 

DIMENSIONS (mm) DNM WEIGHT PUMP TYPE DIMENSIONS (mm) DNM WEIGHT 

SINGLE-PHASE 

THREE-PHASE 

H H1 C kg H H1 C kg 

DOMO S76 DOMO S76 GT DOMO S76T 

433 88 193 Rp1½ 11 

DOMO S76VX DOMO S76VX GT DOMO S76VXT 

386 88 193 Rp1½ 10 

DOMO106 DOMO106 GT DOMO106T 

463 111,5 198 Rp2 13 

D0MO106VX D0MO106VX GT D0MO106VXT 

433 111,5 198 Rp2 11 

DOMO156 DOMO156 GT DOMO156T 

463 111,5 198 Rp2 15 

DOMO156VX DOMO156VX GT DOMO156VXT 

463 111,5 198 Rp2 13 

- - - - - - - 

DOMO206T 

D0MO206VXT 

463 111,5 198 Rp2 14 

domo-2p60-en_a_td 

19


INSTALLATION EXAMPLE 

PUMP TYPE 


H H2 L L1 A 

DOMO S76 - DOMO S76 GT DOMO S76VX - DOMO S76VX GT 433 375 480 335 220 

DOMO106 - DOMO106 GT DOMO106VX - DOMO106VX GT 463 415 495 350 250 

DOMO156 - DOMO156 GT DOMO156VX - DOMO156VX GT 463 415 495 350 250 

domoliv-2p60-en_a_td 

20

Submersible 

Electric 

Pumps for 

Dirty Water 

Drainage pumps with up to 21 metre head and up to 

18 m 3 /h capacity. 

This range consists of three pumps with up to 0.8 kW 

rated power. 

DN SERIES 

APPLICATIONS 

• Draining of flooded excavations and 

marshy ground. 

• Irrigation from rainwater reservoirs, 

ditches, ponds and watercourses. 


• Open impeller with abrasionresistant 

rubber coating. 

• Handles suspended solids up to 5 

mm in diameter. 

• Squirrel cage motor 2 poles in a 

dielectric non-toxic oil bath, 

which ensures the lubrication of the 

ball bearings and more efficient 

cooling. 

• Mechanical seal protected by sand 

labyrinth. 

• Maximum immersion depth: 

5 m. 

• 

Maximum liquid 

temperature: 

50°C with fully submerged 

pump. 

25°C with partially 

submerged pump. 

• Versions: 

Single-phase 220 V 60 Hz. 

Three-phase 380 V 60 Hz. 

Overload protection to be provided 

by user and installed in the control 

panel. 

The control panel is available on 

request. 


• 

5 metres of HO7RN-F cable 

(the single-phase versions are also 

equipped with a control panel 

housing the capacitor + 1.5 m cord 

with plug). 

Motor insulation: class F. 

• 

request (CG version). 

• 

Pre-assembled float available on 

Clockwise rotation when looking at 

pump from above. 


PART 

Pump body 

MATERIAL 

200 UNI ISO 185 CAST IRON 

Impeller STEEL + 


Wear flange 


Suction filter (AISI 304 - DIN 1,4301) 

Motor casing 

Mechanical seal 

CARBON/CERAMIC 


O-ring 


Shaft (extension) 


(AISI 303 - DIN 1.4305) 

* Cast iron with polybutadiene coating through 

electrophoresis at 180°C. 

21




PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 50 75 100 125 150 175 200 250 300 

m 3 /h 0 3 4,5 6 7,5 9 10,5 12 15 18 


DNM1106 - DN1106 0,6 0,8 15 13,8 13,1 12,3 11,3 10,3 9,2 8 5 - 

DNM1156 - DN1156 0,8 1 21,0 19,5 18,3 17,3 16,2 14,9 13,5 12 8,9 5 

These performances are valid for liquids with density ρ = 1 dn-2p60-en_a_th 

ELECTRICAL DATA (60 Hz, 3450 rpm) DN SERIES 




kW A µF / 450 V kW A (1) A 

DNM 1106 1,08 5,12 25 DN 1106 1,00 3,19 1,84 

DDNM 1506 1,45 6,74 25 DN 1506 1,46 - 2,52 



dn-2p60-en_a_te 

22



PUMP TYPE DIMENSIONS (mm) 

DNM WEIGHT 

C H H1 L L1 W W1 kg 

DNM1106 - DN1106 Ø 200 380 81 223 209 95 81 Rp 1¼ 18,5 

DNM1156 - DN1156 Ø 200 380 81 223 209 95 81 Rp 1¼ 19,5 

dn-2p60-en_a_td 

23


RIF. N. 

DESCRIPTION 

1 Pump body 

* 2 Impeller 

3 Wear flange 

4 Suction filter 

5 Flange/filterfastening screw 

6 Float cable gland 

* 7 Mechanical seal 

8 Insert and plug for coupling 

* 9 O-ring 

10 Motor casing with wound 

stator 

11 Shaft with rotor 

* 12 Lower bearing 

13 Impeller lock washer 

* 14 Upper bearing 

15 Plug with washer 

16 Supply cable gland 

17 Supply cable 

18 Control box base 

19 Control box cover 

20 Capacitor 

21 Cord with plug 

22 Float 

23 Switch with cap 

24 Cable fastener with base 

25 Mechanical seal spacer 

26 Seal shoulder washer 

27 Labyrint cap 

28 Labyrint insert 

29 Cable gland (pump cable) 

30 Cable gland (cable with 

plug) 

* Recommended spare parts 

24

Submersible 

Electric 

Pump for 

Solids-laden 

Wastewater 

DL Series 

The DL series electric pumps come with single-channel or 

Vortex impeller (DLV), and are designed to handle solidsladen 

wastewater, with up to 22 m head and 42 m 3 /h 

capacity. 

0.6 kW to 1.5 kW rated power. 

Solids handled up to 50 mm in diameter. 

APPLICATIONS 

• Pumping of sewage with suspended 

solids and filaments. 

• Emptying of sumps, septic tanks 

and wastewater discharge tanks. 

• Draining of flooded excavations and 

marshy ground. 


Maximum immersion depth: 5 m. 

• Maximum temperature of 

pumped liquid: 

50°C with fully submerged 

pump. 

25°C with partially 

submerged pump. 

• Passes solids up to: 

45 mm (DL 806, 906, 

Vortex). 

50 mm (DL 1096, 1256, 

DLV 1006, 1156). 

• Squirrel cage motor in a dielectric 

non-toxic oil bath, which ensures 

the lubrication of the ball bearings 

and more efficient cooling. 

Class F insulation. 

• 

2-pole (0.6 to 1.5 kW) motors. 

Mechanical seal protected by 

sand labyrinth. 

• Versions: 


Three-phase 220 or 380 V 

60 Hz. 


Overload protection to be provided 

by the user (in the control panel). 

5-metre cable for 2-pole DL-DLV 

• 

Pre-assembled float available on 

request for single-phase versions 

(DL…CG, DLV…CG). 


2-POLE ELECTRIC PUMPS: 

DL806, 906, 1096, 1256 

and VORTEX, DLV 1006, 

1156 

PART 

MATERIAL 

Pump body 

200 UNI ISO 185 CAST IRON* 

Impeller 


(AISI 304 - DIN 1.4301) 

200 UNI ISO 185 CAST IRON* FOR 

MINIVORTEX AND VORTEX 

Suction flange, 

Supporting feet, 

STAINLEES STEEL 

Shaft (extension), (AISI 304 - DIN 1.4301) 

Motor casing 

O-ring 

Mechanical sealCARBON/CERAMIC/ 

Delivery elbow 

(DL 109,125 e DLV 100, 115) 



200 UNI ISO 185 CAST IRON* 

25

DL SERIES 



PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 100 150 200 300 350 400 450 500 600 700 

m 3 /h 0 6 9 12 18 21 24 27 30 36 42 


DLM806 - DL806 0,6 0,8 10,2 8,2 7,4 6,7 5,3 4,6 - - - - - 

DL906 - 1,1 1,5 13,1 10,7 9,8 8,9 7,4 6,6 5,9 5,2 - - - 

DLM1096 - DL1096 1,1 1,5 18,2 - - 11 9 8,2 7,5 6,7 5,9 4 - 

DL1256 - 1,5 2 22,1 - - 15,1 12,6 11,5 10,6 9,6 8,7 6,9 4,8 


dl-2p60-en_a_th 

ELECTRICAL DATA (60 Hz, 3450 rpm) DL SERIES 




kW A µF / 450 V kW A A 

DLM806 1,13 5,31 25 DL806 1,05 3,32 1,92 

- - - - DL906 1,33 4,02 2,32 

DLM1096 1,72 7,93 35 DL1096 1,63 4,92 2,84 

- - - - DL1256 1,95 5,77 3,33 


dl-2p60-en_a_te 

26

DLV SERIES 



PUMP TYPE 

kW 

RATED 

POWER 

HP 

Q = DELIVERY 

l/min 0 100 150 200 250 300 350 400 450 500 550 

m 3 /h 0 6 9 12 15 18 21 24 27 30 33 


VORTEX6 - 1,1 1,5 9,2 8 7,3 6,6 5,8 4,8 3,9 - - - - 

DLVM1006 - DLV1006 1,1 1,5 10,2 - 8 7,1 6,2 5,4 4,4 3,4 2 - - 

DLV1156 - 1,5 2 13,2 - - 10,2 9,5 8,7 7,8 7 6,1 5 3 


dlv-2p60-en_a_th 

ELECTRICAL DATA (60 Hz, 3450 rpm) DLV SERIES 




kW A µF / 450 V kW A A 

- - - - VORTEX6 1,65 4,85 2,8 

DLVM1006 1,71 7,91 35 DLV1006 1,62 4,90 2,83 

- - - - DLV1156 2,23 6,49 3,75 


dlv-2p60-en_a_te 

27

DL(V) SERIES 


PUMP TYPE 

DL806-DLM806 

DL906 

VORTEX6 

WEIGHT 

kg 

20,5 

21 

21 

dl-vortex-2p60-en_a_td 

PUMP TYPE 

DL1096-DLM1096 

DL1256 

DLV1006-DLVM1006 

DLV1156 

WEIGHT 

kg 

27 

27 

27 

27 

dl-dlv-2p60-en_a_td 

28

LIFTING AND LOWERING DEVICE 

Used for pump inspection and maintenance without going down the well. 

It consists of a support foot with built-in delivery elbow, a sliding adaptor and a bracket for fastening the guide tubes 

(tubes not included). 

One model is available: 

• DS 2 for DL 1096-1256, DLV 1006-1156 and DL 806-906-1056 VORTEX pumps with flange. 

DS 2 

3/4” BSP 

29

PUMP SECTIONS AND LIST OF MAIN COMPONENTS 

DL-DLM 806-906 - VORTEX 

REF. N. 

DESCRIPTION 

1 Pump body 

* 2 Impeller 

3 Suction flange 

4 Supporting foot 


* 6 O-Ring 



9 Shaft and rotor 

10 Motor casing and wound 

stator 


12 Plug end washer 


14 Suplly cable 



17 Capacitor 


19 Switch with cup 

20 Float 




24 Mechanical seal spacer 

25 Mechanical seal shoulder 

washer 

26 Labyrint cap 

27 Labyrint insert 

28 Cable gland (for pump 

cable) 

29 Cable gland (for plug cable) 


Reference number indicate spare parts as 

per relevant catalogue 

Reference numbers indicate spare parts as per relevant catalogue 

30


DL 1096-1256 / DLV 1006-1156 

REF. N. 

DESCRIPTION 

1 Pump body 

* 2 Impeller 

3 Suction flange 

4 Supporting foot 


* 6 O-Ring 



9 Shaft an rotor 

10 Motor casing and wound 

stator 


12 Plug and washer 


14 Supply cable 



17 Capacitor 


19 Switch with cap 

20 Float 




* 24 Wear ring 

25 Gasket for delivery union 

26 Delivery union 

27 Cable gland (for pump 

cable) 

28 Cable gland (for plug cable) 


Reference numbers indicate spare parts as 

per relevant catalogue 

Reference numbers indicate spare parts as per relevant catalogue 

31

TECHNICAL 

APPENDIX 

32

TECHNICAL APPENDIX 

EXAMPLE OF INSTALLATION OF SINGLE-PUMP SYSTEM 

LEGEND 

Submersible electric pump 

Cast iron quick coupling foot 

Polyethylene delivery pipe 

Counterflange 

Ball check valve, threaded up to 2” and 

flanged for higher DN 

Gate valve 


Electric pump power cable 

Stainless steel guide tube 

Stainless steel extraction chain 

Level floats 

Inlet sluice gate 

Inlet pipe 

Electric panel 

Alarm siren 

Alarm light 

Allarm 

Pump 

33


EXAMPLE OF INSTALLATION OF TWO-PUMP SYSTEM WITH 

THREE FLOATS 

LEGEND 




Counterflange 



Gate valve 





Level floats 


Inlet pipe 


Alarm siren 

Alarm light 

Allarm 

Start of 

2nd pump 

Start of 

1st pump 

34


EXAMPLE OF INSTALLATION OF TWO-PUMP SYSTEM WITH 

FOUR FLOATS 

LEGEND 




Counterflange 



Gate valve 





Level floats 


Inlet pipe 


Alarm siren 

Alarm light 

Allarm 

Start of 2nd 

Start of 1st 

Stop 

35


LEVEL CONTROL FLOAT 

SMALL MODEL 

KEY MODEL 

MC MATIC MODEL 

For single function (draining) 

cable length 1.5, 5, 10 m. 

Counterweight available on request for 

version with 5, 10 m cable. 

For dual function 

(draining/filling) 

cable length 1.5, 5, 10 m. 

Counterweight available on request for 

version with 5, 10 m cable. 

Version with plug and socket for 

single-phase pumps up to 1 kW. 

For solids-laden water (without 

mercury). 

Cable length: 15 m. 

BALL CHECK VALVES FOR 

SOLIDS-LADEN WATER 

No-clog, maximum reliability, low flow resistance. 

Maximum operating pressure: 10 bar. 

Maximum temperature: 85°C. 

Horizontal or vertical operating position. 

MODEL DIMENSIONS (mm) WEIGHT 

BALL Ø L H kg 

Rp 1” 1 /4 48 140 80 2 

Rp 1” 1 /2 50 140 80 4 

Rp 2” 60 200 98 5,5 

DN 80 95 260 163 13 





MODEL 1” 1 /4 - 1” 1 /2 - 2” MODEL 80 - 100 - 150 

36


FLOW RESISTANCE 

TABLE OF FLOW RESISTANCE IN 100 m OF A NEW AND STRAIGHT CAST 

IRON PIPELINE 

FLOW PORTATA RATE 

NOMINAL DIAMETRO DIAMETER NOMINALE mm IN mm AND E IN INCHES POLLICI 

m 3 /h l/min. 15 20 25 32 40 50 65 80 100 125 150 175 200 250 300 350 400 

1 

/2” 3 

/4” 1” 1 1 /4” 1 1 /2” 2” 2 1 /2” 3” 4” 5” 6” 7” 8” 10” 12” 14” 16” 

0,6 10 

0,9 15 

1,2 20 

1,5 25 

1,8 30 

2,1 35 

2,4 40 

3 50 

3,6 60 

4,2 70 

4,8 80 

5,4 90 

6 100 

7,5 125 

9 150 

10,5 175 

12 200 

15 250 

18 300 

24 400 

30 500 

36 600 

42 700 

48 800 

54 900 

60 1000 

75 1250 

90 1500 

105 1750 

120 2000 

150 2500 

180 3000 

300 5000 

600 10000 

1200 20000 

1800 30000 

3000 50000 

4500 75000 

6000 100000 

V V = WATER VELOCITÀ SPEED DELL’ACQUA (m/sec) (m/sec) Hr = hr FLOW = PERDITA RESISTANCE DI CARICO (m/100 m m OF DI PIPELINE) TUBAZIONE) 

V 0,94 0,53 0,34 0,21 

hr 11,8 2,82 1 0,25 

V 1,42 0,8 0,51 0,31 

THE FLOW RESISTANCE MUST BE MULTIPLIED BY: 

hr 25,1 6,04 2,16 0,55 

• 0.8 LE for PERDITE stainless DI steel CARICO pipes DEVONO ESSERE MOLTIPLICATE PER: 

V 1,89 1,06 0,68 0,41 0,27 

• 1.25 • for 0,8 slightly per tubi rusted in acciaio steel inox pipes 

hr 43,1 10,4 3,72 0,95 0,31 

• 1.7 • for 1,25 pipes per with tubi in deposits acciaio that leggermente reduce the arrugginiti flow section 

V 2,36 1,33 0,85 0,52 0,33 

• 0.7 

• 

for 

1,7 

aluminium 

per tubi con 

pipes 

incrostazioni che riducono la sezione di passaggio 

• 1.3 

• 

for 

0,7 

fibre-cement 

per tubi di alluminio 

pipes 

hr 64,5 15,8 5,68 1,47 0,47 

• 1,3 per tubi in fibra di cemento 

V 2,83 1,59 1,02 0,62 0,4 

hr 92 22,3 8 2,09 0,66 

V 3,3 1,86 1,19 0,73 0,46 0,3 

hr 123 29,8 10,8 2,81 0,89 0,31 

V 3,77 2,12 1,36 0,83 0,53 0,34 

hr 164 38,2 13,8 2,65 1,15 0,4 

V 4,72 2,65 1,7 1,04 0,66 0,42 

hr 246 58,2 21,5 5,6 1,75 0,61 

V 3,18 2,04 1,24 0,8 0,51 

hr 82 30 8 2,48 0,86 

V 3,72 2,38 1,45 0,93 0,59 

hr 110 40 10,8 3,33 1,14 

V 4,25 2,72 1,66 1,06 0,68 

hr 141 51,5 13,9 4,3 1,46 

V 3,06 1,87 1,19 0,76 0,45 

hr 64 17,5 5,4 1,82 0,46 

V 3,4 2,07 1,33 0,85 0,5 

hr 79 21,4 6,6 2,22 0,56 

V 4,25 2,59 1,66 1,06 0,63 

hr 120 33 10 3,4 0,86 

V 3,11 1,99 1,27 0,75 0,5 

hr 47 14,2 4,74 1,21 0,43 

V 3,63 2,32 1,49 0,88 0,58 

hr 63 19 6,3 1,63 0,57 

V 4,15 2,65 1,7 1,01 0,66 

hr 82 24,5 8,1 2,1 0,74 

V 5,18 3,32 2,12 1,26 0,83 0,53 

hr 126 37,5 12,3 3,2 1,12 0,36 

V 3,98 2,55 1,51 1 0,64 

hr 53 17,3 4,5 1,58 0,51 

V 5,31 3,4 2,01 1,33 0,85 

hr 92 29,5 7,8 2,7 0,89 

V 6,63 4,25 2,51 1,66 1,06 0,68 

hr 140 44,8 12 4,13 1,36 0,48 

V 5,1 3,02 1,99 1,27 0,82 

hr 63 16,9 5,8 1,93 0,68 

V 5,94 3,52 2,32 1,49 0,95 

hr 84 22,6 7,8 2,6 0,9 

V 6,79 4,02 2,65 1,70 1,09 0,75 

hr 108 29 10 3,35 1,16 0,43 

V 7,64 4,52 2,99 1,91 1,22 0,85 

hr 134 36 12,5 4,2 1,45 0,54 

V 5,03 3,32 2,12 1,36 0,94 

hr 44,5 15,2 5,14 1,76 0,66 

V 6,28 4,15 2,65 1,70 1,18 0,87 

hr 68 23 7,9 2,68 1 0,48 

V 7,54 4,98 3,18 2,04 1,42 1,04 

hr 96 32,6 11,2 3,77 1,42 0,68 

V 8,79 5,81 3,72 2,38 1,65 1,21 0,93 

hr 129 43,5 15 5,04 1,9 0,91 0,45 

V 6,63 4,25 2,72 1,89 1,39 1,06 0,68 

hr 56 19,4 6,5 2,43 1,18 0,58 0,16 

V 8,29 5,31 3,40 2,36 1,73 1,33 0,85 

hr 85 30 9,8 3,75 1,79 0,89 0,25 

V 9,95 6,37 4,08 2,83 2,08 1,59 1,02 0,71 

hr 120 42 13,8 5,3 2,53 1,25 0,35 0,15 

V 10,62 6,79 4,72 3,47 2,65 1,70 1,18 0,87 0,66 

hr 124,9 41,3 16,74 7,81 4,03 1,34 0,54 0,25 0,13 

V 13,59 9,44 6,93 5,31 3,4 2,36 1,73 1,33 

hr 161 65 30,2 15,6 5,16 2,09 0,97 0,5 

V 6,79 4,72 3,47 2,65 

hr 20,1 8,13 3,8 1,95 

V 7,7 5,2 4,0 

hr 18,07 8,39 4,32 

V 11,8 8,67 6,63 

hr 49,5 23 11,8 

V 17,7 13 9,9 

hr 110,5 51,3 26,4 

V 17,33 13,27 

hr 90,6 46,6 

37


FLOW RESISTANCE 

TABLE OF FLOW RESISTANCE IN BENDS, VALVES AND GATES IN cm OF 

COLUMN OF WATER 

VELOCITÀ WATER 

CURVE SHARP AD ANGOLO BENDSVIVO SMOOTH CURVE NORMALI BENDS STANDARD SARACI- VALVO- FOOT VALVO- CHECK 

DELL’ACQUA SPEED 

NESCHE GATE VALVES LE DI VALVES LE DI 

NORMALI VALVES FONDO RITEGNO 

m/sec a = 30° a = 40° a = 60° a = 80° a = 90° 

d = 0,4 

d = 0,6 

d = 0,8 

d = 1 

d = 1,5 

R R R R R 

0,10 0,03 0,04 0,05 0,07 0,08 0,007 0,008 0,01 0,0155 0,027 0,030 30 30 

0,15 0,06 0,07 0,10 0,14 0,17 0,016 0,019 0,024 0,033 0,06 0,033 31 31 

0,2 0,11 0,13 0,18 0,26 0,31 0,028 0,033 0,04 0,058 0,11 0,058 31 31 

0,25 0,17 0,21 0,28 0,4 0,48 0,044 0,052 0,063 0,091 0,17 0,090 31 31 

0,3 0,25 0,30 0,41 0,6 0,7 0,063 0,074 0,09 0,13 0,25 0,13 31 31 

0,35 0,33 0,40 0,54 0,8 0,93 0,085 0,10 0,12 0,18 0,33 0,18 31 31 

0,4 0,43 0,52 0,71 1,0 1,2 0,11 0,13 0,16 0,23 0,43 0,23 32 31 

0,5 0,67 0,81 1,1 1,6 1,9 0,18 0,21 0,26 0,37 0,67 0,37 33 32 

0,6 0,97 1,2 1,6 2,3 2,8 0,25 0,29 0,36 0,52 0,97 0,52 34 32 

0,7 1,35 1,65 2,2 3,2 3,9 0,34 0,40 0,48 0,70 1,35 0,70 35 32 

0,8 1,7 2,1 2,8 4,0 4,8 0,45 0,53 0,64 0,93 1,7 0,95 36 33 

0,9 2,2 2,7 3,6 5,2 6,2 0,57 0,67 0,82 1,18 2,2 1,20 37 34 

1,0 2,7 3,3 4,5 6,4 7,6 0,7 0,82 1,0 1,45 2,7 1,45 38 35 

1,5 6,0 7,3 10 14 17 1,6 1,9 2,3 3,3 6 3,3 47 40 

2,0 11 14 18 26 31 2,8 3,3 4,0 5,8 11 5,8 61 48 

2,5 17 21 28 40 48 4,4 5,2 6,3 9,1 17 9,1 78 58 

3,0 25 30 41 60 70 6,3 7,4 9 13 25 13 100 71 

3,5 33 40 55 78 93 8,5 10 12 18 33 18 123 85 

4,0 43 52 70 100 120 11 13 16 23 42 23 150 100 

4,5 55 67 90 130 160 14 21 26 37 55 37 190 120 

5,0 67 82 110 160 190 18 29 36 52 67 52 220 140 

1) Le Flow perdite resistance di carico in bends nelle curve is due sono to the soltanto contraction quelle of dovute the liquid alla contrazione threads resulting dei filetti from liquidi the change per cambiamento of direction: direzione: the development sviluppo of the delle bends curve must deve therefore 

quindi 

be compreso included nella in the lunghezza length of della the pipeline. tubazione. 

essere 

2) Le Flow perdite resistance di carico in valves nelle valvole and gates e saracinesche was determined sono state on the determinate basis of practical in base tests. a prove 

pratiche. 

38


VOLUMETRIC CAPACITY 

litres 

per minute 

cubic metres 

per hour 

Portata Volumetrica 

cubic feet 

per hour 

cubic feet 

per minute 

imp. gal. per 

minute 

US gal. per 

minute 

l/min m³/h ft³/h ft³/min imp. gal./min US gal./min 

1,0000 0,0600 2,11890,0353 0,2200 0,2640 

16,6670 1,0000 35,3147 0,5886 3,6660 4,4030 

0,4720 0,0283 1,0000 0,0167 0,1040 0,1250 

28,3170 1,6990 60,0000 1,0000 6,2290 7,4800 

4,5460 0,2728 9,6326 0,1605 1,0000 1,2010 

3,7850 0,2271 8,02090,1337 0,8330 1,0000 

0,1100 0,0066 0,23390,00390,0240 0,0290 

PRESSURE AND HEAD 

Newton per square 

metre 

Pressione e Prevalenza 

kiloPascal bar pound force per 

square inch 

metre of water 

millimetre of 

mercury 

N/m² kPa bar psi m H 2 O mm Hg 

1,0000 0,0010 1 x 10 5 1,45 x 10 -4 1,02 x 10 -4 0,0075 

1.000,0000 1,0000 0,0100 0,1450 0,1020 7,5000 

100.000,0000 100,0000 1,0000 14,5000 10,2000 750,1000 

98.067,0000 98,0700 0,9810 14,2200 10,0000 735,6000 

6.895,0000 6,8950 0,0690 1,0000 0,7030 51,7200 

2.984,0000 2,9840 0,0300 0,4330 0,3050 22,4200 

9.789,0000 9,7890 0,0980 1,4200 1,0000 73,4200 

133,3000 0,1330 0,0013 0,0190 0,0140 1,0000 

3.386,0000 3,3860 0,0338 0,4910 0,3450 25,4000 

LENGTH 

Lunghezza 

millimetre centimetre metre inch foot yard 

mm cm m in ft yd 

1,0000 0,1000 0,0010 0,0394 0,0033 0,0011 

10,0000 1,0000 0,0100 0,3937 0,0328 0,0109 

1000,0000 100,0000 1,0000 39,3701 3,2808 1,0936 

25,4000 2,5400 0,0254 1,0000 0,0833 0,0278 

304,8000 30,4800 3,0480 12,0000 1,0000 0,3333 

914,4000 91,4400 0,9144 36,0000 3,0000 1,0000 

VOLUME 

Volume 

cubic metre litre millilitre imp. gallon US gallon cubic foot 

m³ l ml imp. gal. US gal ft³ 

1,0000 1.000,0000 1 x 10 6 220,0000 264,2000 35,3147 

0,0010 1,0000 1.000,0000 0,2200 0,2642 0,0353 

1 x 10 -6 0,0010 1,0000 2,2 x 10 -4 2,642 x 10 -4 3,53 x 10 -5 

0,0045 4,5460 4.546,0000 1,0000 1,2010 0,1605 

0,0038 3,7850 3.785,0000 0,8327 1,0000 0,1337 

0,0283 28,3170 28.317,0000 6,2288 7,4805 1,0000 

39

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