Passes peristalsis NP

Passes peristalsis NP

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* The mode of operation of the pump is cyclic to cool the hose and body.

** The parameters indicated in table 2 are reference and given for work on the water. The range and height of the supply for other pumped media is determined when ordering the pump depending on the density and viscosity of a particular environment.

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Depending on the type of pumped environment and working conditions, the pumps are equipped (Fig. 3) with a hose of certain parameters: abrasive -resistant, acid -resistant, for food, etc.

  • Work wheel: for two or three videos;
  • input and output pipes: from carbon or stainless steel;
  • type of accession of the input and pressure line: fitting; Camlock; Other.

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For the correct choice of modification of the hose and the material of the pipes when ordering the pump, an indication of the type of pumped product, its concentration and temperature!

  • Pumps are produced in climatic design for the placement category 1-3 and UHL for the placement category 4 according to GOST 15150-69. Types of types 1 and 2 according to GOST 15150-69.
  • Pumps are equipped with an electric motor in general -industrial (O) or explosion -proof (c) performance for various operating conditions.

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Appointment

Pumps of peristalsis self -consuming types of NP are designed to pump chemically active and neutral liquids with a viscosity of up to 4500 centipuas (4.5 PA*C) and a density of up to 3000 kg/m 3 <"> 3 <"> 3 < /SUP> & NBSP; (depending on the size of the pump, rotation speed of the pump rotor and absolute pressure at the entrance to the pump).
The pump body is partially filled with glycerin for cooling and lubricating the hose, which allows you to increase the life of the hose.

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The principle of action

According to the principle of action, pumps belong to volumetric machines.

The action of the peristaltic hose pump is based on the alternation of compression and restoration of the shape of the working hose. The hose of a special design (Fig. 1) is laid inside the case (Fig. 2). When rotating the rotor, the rollers squeeze the hose, ensuring the absorption of the pumped environment and its movement in the hose. Restoring the shape of the hose behind the roller creates an almost complete vacuum, as a result of which the pumping environment is absorbed.

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Type of pump Manufactured
Diel-
ness, m 3 /h 		Ples to, MPa Dal-
feed, m 		Feed height, m ​​

Rotor speed, rpm

Power, kW Length, width, height, mm Weight, kg
NP-25-1.5/56* 0.9 1.6 45 25 56 1.5 800x750x600 180
NP-40-2.2/35.5 2.1 1.6 60 30 35.5 2.2 900x800x700 200
NP-40-3/56* 3.4 1.6 60 30 56 3 900x800x700 230
NP-40-3/71 * 4.3 1.2 60 30 71 3 900x800x700 230
NP-50-4/45 4,7 1.6 60 30 45 4 1000x800x750 300
NP-50-5.5/45 4,7 1.6 60 30 45 5.5 1000x800x750 300
NP-50-5.5/56* 5.9 1.2 60 30 56 5.5 1000x800x750 320
NP-50-5.5/71* 7.5 1.2 60 30 71 5.5 1000x800x750 320
NP-50-7.5/56* 5.9 1.0 60 30 56 7.5 1000x800x750 320
NP-50-7.5/71* 7.5 1.0 60 30 71 7.5 1000x800x750 320
NP-65-5.5/45 10.8 1.5 60 30 45 5.5 1115x900x920 400
NP-65-7.5/45 10.8 1.5 60 30 45 7.5 1115x900x920 420

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