Barrel Emptying System with NOTOS® 2NSH Pump

Barrel Emptying System with NOTOS® 2NSH Pump

Hygienic Barrel Emptying with Absolute Minimum of Product Waste

NETZSCH barrel emptying units pump their way through your products, reaching the bottom of the barrel or container in the food, chemical, and pharmaceutical industry with the absolute minimum waste of product – resulting in less than one percent residual product in the barrel.

The heart of the barrel emptying unit is a NOTOS® 2NSH twin screw pump. With positive displacement it creates a low pulsation flow to convey the product without damage. The products are only exposed to friction loss through the discharge piping. The barrel emptying system is particularly suitable for conveying products containing solids in suspension. The flow rate is independent of temperature or viscosity. Even highly abrasive and non-Newtonian liquids and pastes are no problem. Moreover, the 2NSH prevents pressure or flow interruptions even in conical containers. The NETZSCH single slide rail system raises and lowers the follower plate safely while providing a simple and easy structure to clean.

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Barrel Emptying System with NOTOS® 2NSH Hygienic Pump
NOTOS® 2NSH with Labelling

1 Bearing housing
The stainless steel bearing housing allows the whole unit to be cleaned externally. It is equipped with a needle bearing, which has a high load capacity.

2 Pump housing
The round and compact pump housing of the NOTOS® 2NSH twin screw pump is made of one piece and is shorter than the FSIP® version. The surface in contact with the product is polished to prevent the liquid from sticking and to facilitate cleaning.

3 Flanges
Internally polished flanges as per hygienic standards to ensure complete pump cleaning [Ra < 0.8 μm]. Various sanitary connection options available such as Tri-Clamp, SMS, Milk Thread, DIN, RJT Fittings and others.

4 Screws
The stainless steel screws have a highly efficient profile that allows higher flow rates with low fluid shear. Several pitch options are available, all balanced and with a high suction capacity. Screw replacement is easy without disassembly of the bearings. Interchangeable screws of the same size / length with variable pitch are available.

5 Shaft sealing
Various single-acting and double-acting interchangeable cartridge mechanical seals are available for the modular design and fit into the same housing. A pressure flush and pressure less quench connection are available as options.

6 Synchronization gears
The helical gear ensures smooth torque transmission between the screws and guarantees contactless operation of the pump elements.

7 Drive
The drive is flanged directly to the pump, resulting in compact dimensions, low total weight and constant shaft heights regardless of the design and size of the drive.

 

Size*

Pressure max.

psi / bar

Capacity max. 

gpm / m3/h

Operating rotational speed

(rpm)

Cleaning rotational speed

(rpm)

2NSH-/16L1E 232 / 16 48 / 11 1,800 3,600
2NSH-/16L2E 232 / 16 110 / 25 1,800 3,600
2NSH-/16L3E 232 / 16 286 / 65 1,800 3,600
2NSH-/16L4E 232 / 16 568 / 129 1,800 3,600
2NSH-/16L5E 232 / 16 880 / 200 1,800 3,600

*Additional sizes and technical data on request.

Smooth and steady pumping

  • No pressure or flow interruption
  • Emptying of conical barrels
  • Low-pressure conditions in the entire system
  • Infinitely adjustable application rate
  • Possible to meter directly from the barrel
  • Flow in direct proportion to pump speed
  • Variable speed for easy adjustment
  • Equipped with VSD for easy adjustment
  • Simple, single-rail design
  • Low pulsation
  • Low shear rate
  • Suitable for products containing solids in suspension
  • Flow rate independent of temperature or viscosity
  • Almost complete discharge, residual product less than one percent

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Metering Components / Accessories

So we can offer you a complete metering solution, our product line is supplemented by the following metering components: Cartridge Discharge, Buffer Storage and 2C-Mixing Head.