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Tianjin Ennide Technology Co., Ltd
NETZSCH screw pump from Germany
NegotiableUpdate on 05/11
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Overview
The NETZSCH screw pump from Germany is widely used in various industries to transport various media. It operates continuously at constant pressure, without pulsation, and the media is transported without damage. By adjusting the speed to change the flow rate, the metering purpose is achieved.
Product Details
NETZSCH screw pump from Germanyconveyed medium
This product is suitable for conveying media with the following characteristics:
High solid content (maximum particle size up to 150mm) or no solid content;
Media with various viscosities (1mPas-3 million mPas);
Thixotropic and easily expandable media;
Shear sensitive medium;
Abrasive media;
Medium with/without self-lubricating properties;
Corrosive medium (pH=0-14);
Adhesive medium;
Toxic media;
The structural and functional advantages of the German Naichi screw pump:
High flow rate and pressure;
The flow range ranges from a few milliliters per hour to 500m (2200 gpm);
The maximum pressure range can reach 48 bar, and the special design can reach 72 bar;
Wide selection of materials
Different metal materials are selected for different application fields, ranging from cast iron and nickel chromium steel to acid resistant materials, Hastelloy alloys, and titanium alloys. Elastic materials can be selected from wear-resistant, oil resistant, acid resistant, and alkali resistant rubber, such as natural rubber, nitrile rubber, ethylene propylene rubber, and fluororubber. For highly abrasive media, ceramic or plastic can be used. When the medium cannot be made of elastic materials due to high temperature or certain chemical components, hard or rigid stators can be used.
Multiple forms of shaft seals
According to customer requirements, mechanical seals range from single end mechanical seals (with or without rapid cooling), double end mechanical seals (back-to-back and series mechanical seals) to box type seals: item seals, water seal rings, and special seals can also be selected. Can provide leak free magnetic transmission for toxic media.
Other Features
The highest suction height can reach 9 meters of water column
Can rotate and transport in both directions
Flexible installation method
Smooth and stable operation, low noise, no pulsation, no shear, conveying medium temperature range -20 ℃~+300 ° C
1. Rotor
From wear-resistant and corrosion-resistant metal rotors to wear-resistant ceramic rotors (NEMO CERATEC) ® )
2 . stator
The stator material is formed inside the steel pipe, with both ends sealed together. The inner cavity material includes various elastic rubber materials, plastics, and integral metals. The stator inlet end adopts a horn shaped structure for easy medium entry
3. Transmission
The drive shaft and extension shaft transmit power to the rotor through a connecting rod with universal joints at both ends - see instructions on pages 18-19 for details
4. Shaft seal
The standard design is a wear-resistant, bi-directional rotating single end mechanical seal. Different manufacturers can also provide double end mechanical seals, box type mechanical seals, special seals, and flag material seals according to requirements. For toxic media, leak free magnetic transmission can be provided.
5. The suction chamber and discharge body of the pump
The export and import are designed according to German DIN standards and international standards, with flange or threaded forms that are easy for fluid entry and exit. The cavity materials include cast iron nickel steel, stainless steel, rubber lined cast iron, and other special materials
6. Direct connection design
The motor flange is directly connected to the pump, reducing length, weight, and maintaining a constant height of the pump shaft center. Low cost and easy maintenance.
Application scope and effectiveness
| Technical Specifications | characteristic | Scope of application |
| Flow rate up to 400m ³/h, pressure up to 24bar
| The direct connection structure between the pump and the reducer flange is compact, with low investment, use, and maintenance costs. According to different application scenarios, four rotor/stator combinations are available for selection | It can be used for conveying various high viscosity and solid particle containing media in the sewage, food, and chemical industries. |
| Flow rate of 500m ³/h and pressure of 48bar | Supported by bearing frames, it can be equipped with various driving modes, and four rotor/stator combinations are available for selection | It can be used for conveying various high viscosity and solid particle media in the sewage, food, and chemical industries. |
| Flow rate of 30m ³/h and pressure of 12bar | Flexible coupling rod with ceramic rotor, maintenance free, wear free, can be driven in various ways
| Can be used for conveying various high viscosity, high abrasion, and high corrosiveness media in the environmental protection and chemical industries |
| Flow rate up to 0.1-500L/h, pressure up to 36bar | High measurement accuracy (tolerance<1%), flange direct connection, compact structure | Can be used for conveying and measuring media with low viscosity, containing or not containing solid particles in the environmental and chemical industries |
Specific product diagram of German Naichi screw pump:
Technical parameters of NETZSCH screw pump from Germany:
| Technical Specifications | characteristic | Scope of application |
| Flow rate reaches 200m ³/h Pressure up to 12 bar | Flange direct connection, compact structure, low investment, usage, and maintenance costs. The suction empty rectangular mouth hopper (with/without auxiliary feeding chamber) is equipped with a connecting rod and feeding blades to force the medium into the closed conveying chamber between the rotor and stator. The rectangular mouth hopper can be adjusted in size according to actual needs. | Can be used for media with high viscosity, poor flowability, and with or without solid grains in the environmental protection, food, and chemical industries. |
| Flow rate reaches 200m ³/h Pressure up to 12 bar | The suction chamber is equipped with a rectangular mesh hopper (with/without an auxiliary feeding chamber), a connecting rod with feeding blades, which can push the medium more easily into the closed chamber between the rotor and stator. The rectangular hopper can be adjusted in size according to actual needs, and is driven by a platinum support frame. The driving mode is not limited | Can be used for high viscosity, poor fluidity, and media with or without solid particles in the environmental protection, food, and chemical industries.
|
| Flow rate reaches 200m ³/h Pressure up to 48 bar | The suction chamber is equipped with an enlarged rectangular mouth hopper and a grinding feeding chamber, and the connecting rod belongs to the product - the positioning feeding blade is easier to transport the medium. The hopper size is adjustable, the bearing frame is driven, and the driving mode is not limited. | Can be used as a medium for high viscosity, dense or fluffy bridging effect in the environmental protection, food and chemical industries.
|
| Flow rate reaches 200m ³/h Pressure reaches 12ba | The suction chamber is equipped with a bridge breaker/stripper (such as for pre-treatment of dehydrated sludge), an enlarged rectangular hopper and a conical feeding chamber, and a connecting rod design product - positioning feeding blades, which facilitate the medium to enter the conveying chamber of the rotor and stator. The hopper size can be adjusted, the bearing frame is driven, and the driving mode is not limited | Can be used as a medium with high viscosity, dense or fluffy bridging effect in the environmental protection, food and chemical industries. |
Application scope and effectiveness
The NEMO single screw pump designed and produced according to EHEDG and QHD standards is suitable for CIP and SIP as well as the requirements of the American 3A hygiene standards. Three different rotor/stator matching designs can provide you with excellent usage solutions (except for micro food hygiene pumps)
Scope of application
Used for delivering various high viscosity media with or without solid particles in the food, pharmaceutical, cosmetics, and biochemical industries that require hygiene and cleanliness.
| Technical Specifications | characteristic |
| Flow rate reaches 140m ³/h Pressure up to 24 bar | Flange direct connection, tightly painted structure, low investment, usage, and maintenance costs.
|
| Flow rate reaches 140m ³/h Pressure up to 24 bar | Flexible coupling rods without dead points, wear and tear, and maintenance free are used for conveying highly sensitive and abrasive media. The bearing frame is connected, and the driving method is not limited. |
| Flow rate reaches 500L/h Pressure reaches 36 bar | No dead spots, no wear and tear, maintenance free, flexible coupling rod is used for conveying highly sensitive and abrasive media. Direct connection design, compact structure, low investment, usage, and maintenance costs. High precision measurement (deviation<1%) |
| Flow rate reaches 140m ³/h Pressure up to 24 bar
| Flexible coupling rods without dead points, wear and tear, and maintenance free are used for conveying highly sensitive and abrasive media. Unlike the SA sterile system, the suction diameter is reduced and the inlet (or discharge outlet for vertical installation) is moved towards the shaft seal. Therefore, there is no dead point in the pump chamber, and the medium can better pass through the system. The setting of the tangential flushing port and the center of the feeding port ensures clean discharge. To avoid contact between the medium and the atmosphere, all sealing and connecting ends are sealed with steam or water under pressure. The bearing frame is connected, and the driving method is not limited. For variable temperature media, wall mounted stators, dry operation protection, and overheating protection can be equipped. The bearing frame is connected and the driving mode is flexible. |
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