BOREHOLE Technic al Catalogue 50Hz

Where there's water there's Pentax PENTAX s.p.a. Viale dell’Industria, 1 37040 Veronella (VR) - Italia Tel. +39 0442 489500 Fax +39 0442 489510 [email protected]

HISTORY For many years Pentax has held a large share of the world market for motorized pumps. The sales department is constantly working to better serve existing customers and to open up new markets. This is possible thanks to the wide range of products available which allows to cover most of the applications in the pump field. Special attention is also paid to market surveys, so that any new requirements can be immediately transferred to the research and development department: the best way to properly develop and forecast future scenarios. 1989 Pentax is the result of a strategy designed at...

VALUES Reliability Choosing Pentax means choosing safety at every stage Where there is control, there is reliability: the basis for success Impeccable delivery time Pentax studies each case thoroughly, identifies the best solution and then takes action with security The best service: a wide range of Pentax products, one for every need OFFICIAL JOURNAL OF THE EUROPEAN UNION Regulation UE 547/2012 ANNEX II «The benchmark for most efficient water pumps is MEI ≥ 0,70». «The efficiency of a pump with a trimmed impeller is usually lower than that of a pump with the full impeller diameter. The trimming...

INDEX DEEPWELL BOREHOLE PUMPS DEEPWELL BOREHOLE MOTORS ACCESSORIES 193 MOTOR COOLING JACKET CONTROL PANEL CABLES JOINTS LEVEL PROBES PRESSURE SWITCHES PRESSURE GAUGES

DEEPWELL BOREHOLE

Introduction to the Borehole line The pumps of the Deepwell Borehole series have been developed with the most advanced digital design and modeling tools, which have allowed to obtain particularly high performances and levels of hydraulic efficiency. The production of all the casted parts takes place with the technology of “Lost wax microfusion”. The micro-casting allows to obtain extremely smooth surfaces, thicknesses of the diffusers and impellers blades very small, very complex hydraulic geometries; all this allows to obtain hydraulic efficiency higher than 82%. This range is produced in the...

Main characteristics LR, LM and E lines + Hydraulic efficiency • Hydraulic efficiency 6’’, up to 79,5% • Hydraulic efficiency 8’’, up to 81,5% • Hydraulic efficiency 10’’, up to 84,0% • Hydraulic efficiency 12’’, up to 82,5% • Hydraulic efficiency 14’’, up to 82,3% All components are made of stainless steel with lost wax Microfusion technology The standard material is AISI 304 stainless steel, alternatively the following materials are available on request: • AISI316 Steel • Duplex Steel Bushing bearings and wear-rings made of sand abrasion-resistant rubber

DEEPWELL BOREHOLE PUMPS 5PES • 5PES, 4S/A, 4L, 6L lines: 4”, 5” and 6” electric well pumps with polymer hydraulics and pressed steel body. Coupling to the motor according to Nema flange. • 6- 8- 10LMG lines: 6”, 8” and 10” electric well pumps with cast iron hydraulics. Non-return valve in the delivery port and motor coupling according to Nema flange. • LM, LRS and 14E lines: 6”, 8”, 10”, 12” and 14” electric well pumps manufactured with a micro-casting process that allows to obtain very smooth hydraulic surfaces and therefore high hydraulic efficiency values, all combined with a high mechanical...

DEEPWELL BOREHOLE PUMPS Low-Medium flow 500

Deepwell Borehole 5” submersible multistage centrifugal pumps. All components in contact with fluid are made of AISI 304 stainless steel. Particulary suitable for water distribution rainwater collection, irrigation, fountains, wash down unit. Single phase versions have an internal capacitor and thermal motorprotector. Construction features Delivery outlet 1” 1/4 G External jacket, impellers stainles steel AISI 304 and diffusers Passage of solids 2 mm Depth of immersion max 20 m Liquid temperature +5 ÷ +40 °C Quantity of sand in the water max 50 g/m3 Cable H07 RNF, 20 m Number of startups/hr max...

Characteristic curve Characteristic curve Modello - Model: Data - Date: Modello - Model: Data - Date: RATED CURRENT TYPE RATED CURRENT TYPE

Deepwell Borehole Submersible multistage centrifugal pumps for 4” wells with sand-resistant floating impellers. Check valve built into the delivery outlet. Pump flange for coupling with motors are made according to NEMA standards. Most common applications are civil and agricultural. Construction features Delivery outlet and bracket stainless steel AISI 304 External jacket stainless steel Impellers and diffusers glass filled polycarbonate Upper bushings NBR rubber Shaft stainless steel Quantity of sand in the water max 300 g/m3 Max liquid temperature 35° C impellers number

Lenght Weight Lenght Weight

Lenght Weight

Characteristic curve Modello - Model: Data - Date: Modello - Model: Data - Date: Characteristic curve Characteristic curve Modello - Model: Data - Date: Modello - Model: Data - Date:

Characteristic curve Modello - Model: Data - Date: Modello - Model: Data - Date: Characteristic curve Characteristic curve Modello - Model: Data - Date: Modello - Model: Data - Date:

4S/A Characteristic curve Modello - Model: Data - Date:

6 L R G * 36 / 12 - 4 Motor model if included 4 = Motor flange in inches (not shown if the motor is the same size of pump) 12 = Pump Stage number 36 = Nominal flow (m3/h) at BEP G = Cast iron execution S = AISI 304 execution X = AISI 316 execution D = Duplex execution L = AISI 904L execution R = Radial version M = Semi-axial version L = Family name 6 = Pump size in inches E 14 A / 1 D - 8 Motor model if included 8 = Motor flange in inches (not shown if the motor is the same size of pump) D = Impeller reduction type 1 = Pump stage number A = flow rate up to 480 m3/h B = flow rate up to 800 m3/h...