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PVD Recirculation Pumps Vertical Installation

PVD Recirculation Pumps Vertical Installation
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PVD Recirculation Pumps Vertical Installation

Product catalog summary
Overview: The document details the design, construction, and application of the Ruhrpumpen Type PVD, a vertical recirculation waste water propeller pump. It highlights the pump's innovation, efficiency, and quality, emphasizing its low-maintenance and reliability in various water treatment processes.
Design and Construction:
  • Impeller: Features double curvature hydrodynamically optimized blades made of wear and corrosion-resistant chromium nickel steel. The blade angle is pre-adjusted for specific duty points.
  • Pump Casing: Includes an inlet bellmouth, integrated wear ring, diffuser blades, and a hub. The wear ring has cleaning grooves to prevent fibrous buildup. A sleeve bearing made of silicon carbide is lubricated by the pumped medium.
  • Stand-Up Tube and Motor Stool: Made of chromium nickel steel, it connects the pump casing to the motor stool, which houses the flexible coupling and bearings.
  • Driver: Utilizes standard asynchronous motors with lifetime lubricated bearings, suitable for frequency converter operation.
  • Console and Supporting Plate: Designed to support the pump's weight and connect to discharge piping. Made of chromium nickel steel.
  • Painting: Stainless steel parts are unpainted; cast iron parts are coated with epoxy, and the motor with polyurethane.
Applications: The PVD pump is used in denitrification, secondary sewage treatment, activated-sludge circulation, and water lifting stations. Its compact design allows for simple installation and operation in various settings.
Performance Data:
  • Capacity: 100 to 5,500 m³/h (440 to 24,216 gpm)
  • Head: 0.2 to 2.2 m (0.6 to 7.2 ft)
  • Speed: Up to 1,480 min-1 (up to 1,790 rpm)
  • Discharge: 200 to 1,000 mm (8 to 40 in)
  • Blade Angle: 5 to 20°
Installation and Variants: The pump can be installed in various configurations, including at the end of a suction pipe. It features a maintenance-free design with a self-cleaning propeller and easy installation and dismantling via guidance straps and brackets.
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Catalog excerpts

PVD Recirculation Pumps Vertical Installation-1

Specialist for Pumping Technology Recirculation Waste Water Propeller Pumps, Vertical Installation

 Open the catalog to page 1
PVD Recirculation Pumps Vertical Installation-2

PVD Recirculation Waste Water Propeller Pumps, Vertical Installation For more than 60 years the name Ruhrpumpen has been synonymous worldwide with innovation and reliability for pumping technology The Ruhrpumpen Type PVD is a vertical recirculation pump which is by preference deployed as low-maintenance slow running propeller pump with extreme low heads mainly in denitrification, activated sludge circulation and secondary waste water treatment. PVD Design and Construction DRIVER IMPELLER The impeller is equipped with double curvature hydrodynamically optimized propeller blades with a fibre repellent...

 Open the catalog to page 2
PVD Recirculation Pumps Vertical Installation-3

PVD Recirculation Waste Water Propeller Pumps, Vertical Installation 1 2 3 4 Low-maintenance standard asynchronous motor without gear located above the wetted area. Optimal speed matching via driver. 6 Power transmission between motor and pump via flexible coupling. 7 Pump equipped with its own thrust and radial bearing, maintenance-free, lifetime lubricated bearings. 8 Maintenance-free and wear resistant sleeve bearing made of silicon carbide against silicon carbide, lubricated by the pumped medium. 1 2 Self-cleaning, fibre repellent propeller. Optimization of capacity and head by adjustment...

 Open the catalog to page 3
PVD Recirculation Pumps Vertical Installation-4

RUHRPUMPEN PLANTS EGYPT, Cairo INDIA, Chennai ARGENTINA, Buenos Aires email: [email protected] Copyright© 2011 Ruhrpumpen All Rights Reserved.

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.