Eccentric Rotary Screw Pump

Eccentric Rotary Screw Pump

Screw Pump Introduction

Progressing Cavity Pumps can be used in any area of industry (Environmental technology, Foods, Chemicals and Oil), where a great variety of different substances must be pumped or very precisely dosed. From low viscosity media to products barely capable of flowing with or without solid content, shear-sensitive, sticky or abrasive. Suchas wastewater, activated sludge, plaster and cement mortar, acids, lime water, emulsion paints, soaps, adhesives, etc. with the S T D- SN, especially suitable for oil and water separators, plate frame filter press and other equipment.
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Screw-type Pump Advantages

• Continuous low pulsation transmission, not affected by pressure and viscosity fluctuation.
• The conveying capacity is proportional to the rotational speed and can be measured with high precision in the whole speed range.
• High pressure without pulsating transmission
• Mechanical seals directly under the pump cavity entrance, in a variety Short drive shaft and straight-connected frame make the mechanical seal installation stability High.
• Flange bearing and pump seat separation structure to facilitate the replacement of the stator.
• Variable Modular System
• Different rotor/stator geometry and wide range of materials used.
• Durable compact direct-linked structure
• Standard mechanical seals, other sealing methods optional
• Smooth conveying Medium
• The pump connection conforms to the domestic and the international standard, specially designs the module.
• Easy to clean, easy to maintain.

Excellent construction system of screw Eccentric Rotary screw pump

• Rotor: abrasion resistance, corrosion resistance design
• Stator: Tube vulcanization, both ends sealed, using a variety of rubber, plastic and metal materials.
• Connecting ROD: coupling rod with twouniversal joint transmits the power from the driving device to the rotor.
• Shaft sleeve: The standard structure is a single end face, can be positive and negative rotating, wear-resistant mechanical seals. According to user requirements, can also be used by different manufacturers to provide different types of single/double end mechanical seals, assembly and other special sealing, and packing seals
• Suction chamber and discharge body: flange and thread connection conform to international standards. Materials are cast iron, carbon steel, stainless steel and according to customer requirements for the use of special materials.
• Straight-connected structure: The driving device is directly connected with the flange to the straight frame, the structure is compact, the total weight is small, has the fixed axial height, it is not related to the type and size of the drive device, and the maintenance is simple and efficient.
• Universal joint: STD Screw pump has a standard universal joint to ensure operational reliability and life cycle.
• Bracket: independent support foot; Rod; Simplifies assembly and maintenance procedures
• Sew Reducer Motor: The standard-equipped reducer motor for the screw pump is a German sew or Nord, which can also match customer requirements.

Progressing Cavity Pump Application

• Food and Beverage Industry: ERS pumps are used for transferring various food and beverage products such as liquid sugar, syrup, jam, honey, and chocolate. They are also used for handling dairy products such as cream, milk, and yogurt.
• Chemical Industry: ERS pumps are used for transferring various chemicals such as acids, solvents, resins, and polymers. They are also used for transferring adhesives, coatings, and inks.
• oil and gas Industry: ERS pumps are used for transferring crude oil, drilling mud, and other fluids in the oil and gas industry. They are also used for handling various process fluids and chemicals.
• Construction Industry: ERS pumps are used for transferring and dosing various construction materials such as cement, grout, and mortar.
• Mining Industry: ERS pumps are used for handling slurries, tailings, and process water in the mining industry.
• Pharmaceutical Industry: ERS pumps are used for transferring various pharmaceutical products such as creams, ointments, and syrups.
• Wastewater Treatment: ERS pumps are used for handling sludge, sewage, and other wastewater products in the treatment process.
• Agriculture Industry: ERS pumps are used for transferring and dosing chemicals and fertilizers in crop production.

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