Calpeda Pumps

 
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Producing technology implies anticipating new solutions, foreseeing new uses and discovering alternative applications and materials. We have always sought to be innovative, interpreting and defining it into new dimensions and new functions. We manufacture high technology pumps for the most varied uses: from domestic applications to the industrial sectors, from the building-service sector throughout agriculture and irrigation, to swimming pools and spa baths. Each day we think of what we can do in order to improve our products by experimenting with their size make-up, weight, transportability and resilience. Each single product undergoes full production testing, to verify the quality standard of each item. Spare parts are still available for Calpeda pumps, even those out of production or supplied over thirty years ago.


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Close-coupled centrifugal pumps

Construction

  • Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.
  • NM: single-impeller.
  • NMD: with two back-to-back impellers (with axial thrust balancing).

Connections: threaded ports ISO 228/1 (BS 2779).

  • NM, NMD: version with pump casing and lanter bracket in cast iron.
  • B-NM, B-NMD: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).

Applications

  • For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%).
  • For water supply.
  • For heating, air-conditioning, cooling and circulation plants.
  • For civil and industrial applications.
  • For fire fighting applications. 
  • For irrigation.

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End-suction centrifugal pumps

Construction
Single-stage end-suction centrifugal pumps, with bearing bracket. The electro-pumps N, B-N, N4, B-N4 series comply with the European Regulation no. 547/2012 in force starting from 01.01.2013. Nominal duty points and main dimensions in accordance with EN 733. Back Pull-Out construction, for simple and quick dismantling and reassembly.

N, N4: version with pump casing and lanter bracket in cast iron.

B-N, B-N4: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).

Rated speed of rotation (50 Hz): N = 2900 rpm. ; N4 = 1450 rpm.

Connections: PN 10 flanges EN 1092-2.

Counter-flanges(on request)

  • from 32-160 to 50-250 : Screwed flanges PN 16 EN 1092-1.
  • from 65-125 to 150-400 : Flanges for welding PN 10 EN 1092-1.

Shaft sealing:

  • Standardized mechanical seal in accordance with ISO 3069.
  • Stuffing box seal (on request).

Applications

  • For clean liquids, without abrasives, which are non-aggressive for the pump materials (contents of solids up to 0.2%).
  • For water supply.
  • For heating, air conditioning, cooling and circulation plants.
  • For civil and industrial applications and for agriculture.
  • For fire fighting applications.
  • For irrigation.

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Horizontal and vertical multi-stage pumps

Construction
Vertical multi-stage close coupled pumps with suction and delivery connections of the same diameter and arranged along the same axis (in-line).


All parts that come into contact with the liquid, including wet-end covers, are in chrome-nickel stainless steel with corrosion resistant bearing sleeves lubricated by the pumped liquid.

Applications

  • For water supply systems.
  • For clean non-explosive liquids, without solid, filamentary or abrasive matter and non-aggressive for stainless steel (with adaptation of sealing materials on request).
  • A universal pump for civil and industrial use, for pressure-boosting systems, fire-extinguishing systems, high-pressure washing plants, irrigation, agricultural uses and sport installations.

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Self-draining whirlpool pumps

Construction
Self-draining, single-impeller pumps, with motor insulated from pumped water, constructed with high quality, corrosionproof plastic materials, with stainless steel diffuser.
Compact design (158 mm wide).

PVC pipe connections: Ports for cementing joint, with external thread for union coupling.

Applications

  • For spas, hydromassage bathtubs and whirlpool baths.

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Self-priming swimming pool pumps

Construction
Self-priming swimming pool pumps with built-in strainer and motor insulated from pumped water.
The pump is made with high quality plastic materials, corrosion and sand erosion resistant.
With stainless steel diffuser.
Base-plate kit.

Applications

  • For water circulation in swimming pool filtration systems.
  • For clean or slightly dirty water with solids in suspension.

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Centrifugal pumps with open impeller

Construction
Close-coupled centrifugal pumps with open impeller.
Free-flow impeller (vortex or recessed impeller) for type C 16/1E.
C: version with pump casing and lanter bracket in cast iron.
B-C: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).

Applications

  • For moderately dirty liquids or emulsions.
  • For industry and agriculture.

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Self-priming centrifugal pumps with open impeller

Construction
Close-coupled centrifugal pumps with open impeller.
The built-in backflow preventer avoids reverse siphoning when the pump is stopped and assures automatic re-priming at the next start.

The pump re-primes itself even if partially filled with liquid and with completely empty suction pipe.

A: version with pump casing and lanter bracket in cast iron.
B-A: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).

Applications

  • For clean or slightly dirty water, also with solids up to 10 mm grain size for A 40, A 50 and 15 mm for A 65, A 80.
  • For draining a basin or a sump.
  • For irrigation. For civil and industrial applications.

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Multi-stage submersible clean water pumps

Construction
Close coupled multi-stage submersible pumps. 
External jacket in stainless steel AISI 304 and stages Noryl.MPSM with built-in capacitor, accessible through the delivery casing.Hydraulics located below the motor with the motor cooled by the pumped fluid. Safe operation is possible with the motoronly partially submerged.Double shaft seal with oil chamber.The suction strainer prevents the entrance of solids with diameter bigger than 2 mm.

Applications

  • For water supply from wells, tanks or reservoirs.- For domestic, civil and industrial applications.
  • For garden use.- irrigation and rain water harvesting systems.

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Electronic regulators for pumps

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Pressure boosting sets

BS 1-6F
Pressure boosting sets with 1 to 6 fixed speed pump.Sets with 4,5 and 6 pumps on request.Depending on the reduction of the pressure in the system, the pressure switches determine the starting up of the pumpsin sequence and the microprocessor alternates the starts.

BS1V2-5F
Pressure boosting sets with 1 variable speed pump (with frequency converter into the control panel) and from 1 to 5fixed speed pumpsSets with 4,5 and 6 pumps on request.According to the water consumption, one or more pumps start, one at variable speed and the others at fixed speed, to grant the water quantity required at the set pressure.


BS1-6V
Pressure boosting sets with 1 to 6 variable speed pumps(with frequency converter into the control panel).Sets with 4,5 and 6 pumps on request.Depending on water consumption, one or more pumps are activated, all at variable speed, in order to guarantee the quantity of water required at the set pressure.

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Fire-fighting sets

Construction
Units constructed in accordance with UNI-EN 12845 standards for automatic fire-fighting systems (with sprinkler) and according to UNI10779 for fire-fighting systems with fire hydrants.The units may be composed of 1 or 2 main pumps.Units are fitted with a jockey pump, with which the system pressure level can be maintained without having to start the main pumps.

Application

  • For feeding water to automatic fire-fighting systems and units with hydrants.

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