Centrifugal pumps close coupled and standardized
Centrifugal pumps close coupled (3D) and standardized EN 733 (3DS-3DP) in cast iron.
Technical Detail:
Highly resistant construction
Impeller in stainless steel
High efficiency
Pump Technical Data:
Maximum working pressure: 10 bar
Temperature of the liquid:
-5°C ÷ +90°C
-5°C ÷ +110°C (H-HS-HW-HSW versions)
-5°C ÷ +120°C (E version)
MEI > 0,4
For further information please see our Data Book
Motor Technical Data:
High efficiency IE2 motors starting from 0,75kW to 5,5kW
High efficiency IE3 motors starting from 0,75kW (from 7,5kW for 3D4)
Self-ventilated 2 and 4 poles asynchronous motor
Insulation class F (B for high temperatures)
Protection degree IP 55
230V ±10% single phase voltage 50Hz,
230/400 ±10% (up to 4kW included) three phase 50Hz,
400/690V ±10% (from 5,5 kW and above) three phase 50Hz
Protection is user’s responsibility
Materials:
Pump casing in cast iron EN-GJL-250-EN 1561
Impeller in:
– AISI 304 for 3D(.) SERIES 32, 40, 50
– AISI 316 microcasted for 3D(.) SERIES 65
Shaft in AISI 304 (part in contact with the liquid)
Mechanical seal in:
– Ceramic/Carbon/NBR (standard)
Applications:
Water and clean liquids not chemically aggressive handling
Water supply
Pressure boosting
Washing and industrial plants
Water circulation in air-conditioning systems
Irrigation and agriculture
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