| RANGE OF PERFORMANCE |
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Flow rate up to 90 l/min (5.4 m3/h)
Head up to 100 m
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| LIMITS OF USE |
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Manometric suction lift up to 8 m
Liquid temperature up to + 90°C
Environment temperature up to + 40°C
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| INSTALLATION AND USE |
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They are recommended for pumping clean water without abrasive particles and liquids that are chemically non aggressive to the materials from which the pump is made.
THE HYDRAULIC CHARACTERISTICS OF THESE PUMPS, TOGETHER WITH THEIR COMPACTNESS, MAKE THEM SUITABLE FOR USE IN THE INDUSTRIAL SECTOR.
The pumps must be installed in enclosed places, or at least protected against inclement weather. |
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CONSTRUCTION CHARACTERISTICS |
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- PUMP BODY: cast iron, with threaded ports ISO 228/1
- PUMP BODY: brass for PQ 81-Bs
- MOTOR BRACKET (patent nº 1289150): aluminium with brass insert; reduces starting difficulties due to seizure of the impeller after long periods of inactivity.
- IMPELLER: brass, of the type with radial peripheral vanes.
- MOTOR SHAFT: stainless steel EN 10088-3 - 1.4104.
- MECHANICAL SEAL: ceramic - graphite - NBR.
- ELECTRIC MOTOR: the pumps are close-coupled to a carefully matched PEDROLLO electric motor, quiet running, totally enclosed fan cooled (TEFC), suitable for continuous duty.
PQm: single-phase 230 V - 50 Hz with capacitor and thermal overload protector.
PQ: three-phase 230/400 V - 50 Hz.
- INSULATION: class F.
- PROTECTION: IP 44.
- REGISTERED MODEL nº 72753
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- pump shaft in stainless steel EN 10088-3 - 1.4401 (AISI 316)
- special mechanical seal
- protection IP 55
- other voltages or frequency 60 Hz
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