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Product Catalogue

BS 25
BS pumps

Use

Nautical Agriculture Transport

The best solution for the suction and transfer of liquids, thanks to the strong self-priming capacity, the ability to run even with discontinuous presence of the liquid in suction and the reversibility of the flow. The BS series is made of CB754S brass with a stainless steel shaft. This version with hydraulic motor allows an easy coupling with any machine that has a hydraulic unit. For each application, it is necessary to check the suitability and choose appropriate gaskets.

The product are particularly suitable for use:
  • nautical (bilge, services, cooling, washing, sea water)
  • agriculture (fungicides, liquid fertilizers, components on agricultural machinery, irrigation)
  • transports (tankers, road machines, on board water systems)

Hydraulic specifications

  • Maximum capacity : 97 lt/min
  • Maximum head : 45 m
  • Gasket on the shaft: Seal
  • Maximum priming height : 6 m
  • Threaded ports: 1"
  • Maximum liquid density 1.1g/cm3 free of hard particles in suspension
  • Maximum temperature 90°C
  • Not suitable for aggressive liquids towards pump construction materials and gaskets (see technical specifications)
  • Not appropriate for the transfer of petrol, solvents and, in general, in environments with risk of explosion and fire
  • Possibility of reversing the pumping flow
  • Complete with a pair of brass hose fittings for pipes 25 (one straight and one curved)
  • Possibility of working for short periods with closed pipes
  • During installation, the pump must be filled with liquid, subsequently this operation is no longer necessary

Technical specifications

  • This pump is driven by a bi-directional drainage hydraulic motor interno group 1 of 3.9 cm3 or 5.8 cmcm3
Material
  • Pump Parts: Brass
  • Shaft : AISI 304
  • Impeller : Brass
  • Gaskets: NBR
Pump features
Ports ∅ Hose fitting Priming ability Qmax Hmax
1" 25 mm 6 m 97 lt/min 45 m
Overall dimensions
W L H Weight
342 mm 126 mm 146 mm 0.0 kg
1400 g/min
H (m) 1m 5m 10m
Q 53 lt/min 38 lt/min 16 lt/min
HP 0.2 HP 0.2 HP 0.3 HP
1900 g/min
H (m) 1m 5m 10m
Q 72 lt/min 61 lt/min 47 lt/min
HP 0.6 HP 0.6 HP 0.7 HP
2800 g/min
H (m) 1m 10m 20m 30m
Q 97 lt/min 85 lt/min 70 lt/min 50 lt/min
HP 1.2 HP 1.4 HP 1.8 HP 1.8 HP

Characteristics referring to operation with water at 20 °

Available for the hydraulic part on request

BY-PASS
  • By-pass 25
FOR USE AND TRANSPORT
  • Feet for ceiling fixing
  • Feet for fixing to: wall
Liquids loading / unloading
  • Filler plug (brass)
  • Drain tap (brass)
SEALS
  • Mechanical seal
  • Viton 25 gaskets


You can complete the BS 25 with...

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We reserve the right to make changes without prior notice.
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Tellarini Pompe S.n.c. di G. Tellarini & C.

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