BOMBAS IDEAL RNI Series Use And Maintenance Instructions page 21

Bombas Ideal, S.A.
2. DESCRIPTION AND USE
2.1. Description
RN and RNI pumps conform to the requisites of DIN standard 24255 and extension as per their sizes and
hydraulic characteristics.
Pumps RN and RNI are horizontal en suction centrifugal pumps with single impeller. Feet are
casted together with the pump casing wich is open at the back to allow the rotating parts been dismantled
without disturbing the suction and delivery pipes of the system, except for models RN-PF, in which it is necessary
to dismount the suction body to have access to the impeller.
The impeller is closed type. The rotation direction is clockwise (to the right) viewed from coupling side. The
sealing box built into the casing cover is prepared to accept packing, with different types depending on the
liquid being pumped. Mechanical seals according to DIN 24960 standard can also be assembled.
The drive shaft is held by two rigid ball bearings, lubricated either by grease or oil.
Pump can be driven by a diesel engine or electric motor, set on a common bedplate and joined by a semi-
elastic coupling.
Use
2.2.
RN and RNI pumps are appropriate for lifting and moving liquids in industries, irrigation systems, mines, building,
urban supply, air conditioning installations, fire-fighting equipment, etc.
In their standard version they have been designed for moving clean water with temperature up to 100º C.
Upon request, special configurations can be supplied for different liquids and temperatures up to 160º C.
Do not under any circumstances:
Locate the systems in premises classified as involving an explosion risk.
Use these for moving inflammable liquids.
3. IDENTIFICATION
RN and RNI pumps have a metal plate on the bearing support on which the following data is stated:
TYPE: identification of the pump model.
Nº : manufacturing number.
When a specific working point, flow & head, is specified in the contract or order, the following details will appear
on the plate :
Q (m3 / h) : flow in cubic metres per hour.
H (m) : manometric head in metres.
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