8LR & 8LM lines
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Deepwell Borehole Submersible multistage centrifugal pumps for 8” wells. 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. 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: AISI 316 Steel, Duplex steel. Bushing bearings and wear-rings made of sand abrasion-resistant rubber, reverse-Thrust ring in PTFE/Graphite. General operating data: • • • • • • • • • Capacity up to 192 m3/h Pressure up to 768 m Hydraulic efficiency 8’’, up to 78,5% Pressure up to 80 bar Powers up to 185 kW Rotation speed up to 2900 rpm Maximum depth: 350 m Maximum quantity of permitted sand: 100 gr/m3 Drinking water compatibility according to DM174 MEI >= 0,4 (EU directive No.547/2012) Performance tolerance: ISO9906-3B. Construction features stainless steel AISI 304 (LRS-LMS) Suction and delivery outlet stainless steel AISI 316 (LRX-LMX) Duplex (LRD-LMD) stainless steel AISI 304 (LRS-LMS) Valve stainless steel AISI 316 (LRX-LMX) Duplex (LRD-LMD) stainless steel AISI 304 (LRS-LMS) Impellers and diffusers stainless steel AISI 316 (LRX-LMX) Duplex (LRD-LMD) Upper bushings NBR rubber stainless steel AISI 304 (LRS-LMS) Shaft pump side stainless steel AISI 316 (LRX-LMX) Duplex (LRD-LMD) Quantity of sand in the water max 100 gr/m3 Motor Asynchronous 2 pole rewindable water cooled Y (max 30 °C) - PPC winding type Insulation class F (max 50 °C) - PE2+PA or LPE winding type Protection degree IP68 Liquid temperature max 30 °C (max 50 °C on request) Depth of immer

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

* Coupled pump shaft "D" Pump shaft in Dup

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

* Coupled pump shaft "D" Pump shaft in Dup

Drinking water compatibility according DM 174 MEI ≥ 0,4 (regulation EU N. 547/2012) Models with less than 3 stages reduce the % eff. of 5% Hydraulic performance according to ISO 9906 grade 3B

Motor bracket Suction strainer Pump shaft Impeller wear ring Conic collar Diffuser bush bearing Reverse thrust ring Valve plate Delivery pump body Delivery body locking screw Diffuser locking screw Bottom cable guard clamp Bottom cable guard screws M4x8 Cable guard Upper cable guard clamp Upper cable guard screws M4x8 * Reccomended spare parts quantity