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NETZSCH NOTOS® 2NSH Screw Pump

NETZSCH NOTOS is made of AISI 316L stainless steel and polished according to international standards, making it
easy to clean (CIP) and to sterilize (SIP). As there is no contact between the rotating parts, the pump speed
can be increased. Therefore cleaning can be carried out without the need for an auxiliary system.

Applicaition
Features
Parameters

Broad range of applications

Food industry: dairy products,delicacies, ketchup, sauces,confectionery and baby food
Beverage industry: fruit juices,syrups, concentrates, breweries
Cosmetic and pharmaceutical industry: creams, active substances, ingredients
Chemical industry: adhesives,solvents, paints, varnishes andplastics

Screw Pump General Characteristics

Netzsch NOTOS® 2NSH meets the high requirements of food, beverage,chemical, pharmaceutical and cometic industries:

Metal parts made of stainless steel
High suction capability (low NPSHr)
No contact between the rotating parts
Reversible flow
Low pulsation
No dead spaces
Smooth feeding of the pumped media

NETZSCH NOTOS® 2NSH Screw Pump Parmeters List

Parameters	Unit	2NSH-/16L1E	2NSH-/16L2E	2NSH-/16L3E
Operating rotational speed	RPM	up to 1.800	up to 1.800	up to 1.800
Cleaning rotational speed	RPM	up to 3.600	up to 3.600	up to 3.600
Standard flow differential pressure	Bar	maximum 16 bar ¹	maximum 16 bar ¹	maximum 16 bar ¹
Reverse flow differential pressure	Bar	maximum 12 bar ¹	maximum 12 bar ¹	maximum 12 bar ¹
Viscosity	cP	from 1 to 1,000,000 ²	from 1 to 1,000,000 ²	from 1 to 1,000,000 ²
Temperature of the pumped fluid	ºC	from -20 to 130 3	from -20 to 130 3	from -20 to 130 3
Size of the discharge nozzle	In.	1,5″ up to 2,0″	2″ up to 3.0″	2.5″ up to 4″
Size of the suction nozzle	In.	1,5″ up to 2,5″	2″ up to 4.0″	3″ up to 4″
Installation position	—	Horizontal	Horizonta	Horizontal
Maximum flow rate	m³/h	up to 11 m³/h	up to 25 m³/h	up to 65 m³/h
Material of wetted parts	—	AISI 316L (standard)	AISI 316L (standard)	AISI 316L (standard)

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People Also Ask

Screw pump is a part of the dry compressed gas transfer pump series. They are positive displacement pumps that use one or more screws to move fluid or water along the screw shaft. These screws interlock to pressurize the fluid and move it into the system. These screws engage each other and reciprocate in the cavity of the cylinder. They are often used in industrial vacuum applications, often in combination with Roots blowers, and as oil-free roughing pumps in high vacuum and ultra-high vacuum systems. Please check out the description of various pumps.

Netzsch screw pump is mostly used on fluids of a higher viscosity, moving these fluids with screw pumps results in energy efficient and a relatively compact machine when compared to other pump types i.e centrifugal pump.

The operation of a screw pump is much softer with less pulsations, less noise and fewer vibrations, meaning longer lifespan. Gear pumps are noisier, more turbulent and cause more vibrations for the pump and pipework to withstand causing a lower working life.

Archimedean screw pumps are capable of pumping heavily contaminated surface water or sewage, and even sand if they are specially designed for this purpose. The head is purely geodetic and ranges up to 6 m at efficiencies between 60 and 80 %.

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