DAB K 35/100 M / 1.1KW 230V Twin-Impeller Centrifugal Pump

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The DAB K 35/100 M is a twin-impeller centrifugal pump built for pressurisation and general water supply. Two impellers in series produce noticeably more head than a single-impeller pump of the same power, in a robust cast iron casing. It is rated at 1.1 kW (1.5 HP) on 1 x 220-240 V ~ 50 Hz, delivering a maximum flow of 7.2 m³/h and a maximum head of 38.5 m.

Applications

Pressurisation units in water systems
Filling of pressure vessels and tanks
Sprinkler and irrigation systems
General water supply in domestic, civil and industrial environments
Booster duty where steady pressure at moderate flow is required

Pump Construction

Twin-impeller design for higher head than a comparable single-impeller pump
Pump body and motor support in cast iron for durability and quiet running
Technopolymer impellers
Carbon / ceramic mechanical seal
Install horizontal or vertical, provided the motor is always above the pump

Motor Construction

Closed asynchronous type with external ventilation cooling
Rotor on permanently lubricated, oversized ball bearings for low noise and durability
Standard built-in thermo-amperometric protection
Capacitor permanently fitted on single phase versions
Construction according to CEI 2-3

Materials in Contact with the Liquid

Component	Material
Pump body	Cast iron 200 UNI ISO 185
Motor support	Cast iron 200 UNI ISO 185
Impeller	Technopolymer A
Shaft with rotor	AISI 303 stainless steel (X10 CrNiS 1089)
Mechanical seal	Carbon / ceramic
Gasket	NBR rubber

Specifications

Parameter	Value
Model	DAB K 35/100 M
Pump type	Twin-Impeller Centrifugal Pump
Power supply	1 x 220-240 V ~ 50 Hz
Absorbed power P1 max	1.56 kW
Nominal power P2	1.1 kW (1.5 HP)
Rated current	7.1 A
Capacitor	25 µF / 450 V
Speed	2780 rpm
Starting current	33 A
Maximum head	38.5 m
Maximum flow	7.2 m³/h
Suction port (DNA)	1½" G
Discharge port (DNM)	1" G
Liquid temperature range	-10 °C to +50 °C
Maximum ambient temperature	+40 °C
Maximum operating pressure	6 bar (600 kPa)
Protection class	IP 44
Terminal board protection class	IP 55
Insulation class	F
Installation	Fixed, horizontal or vertical (motor above pump)
Pump gross weight	22.0 kg

Performance

Flow Q (m³/h)	0	1.2	1.8	2.4	3.6	4.8	6.0	7.2
Head H (m)	38.5	37.5	36.5	35	32	28.5	18.5	17.5

Performance curves are based on kinematic viscosity of 1 mm²/s and density of 1000 kg/m³. Curve tolerance to ISO 9906.