GQR Submersible Drainage Pumps

Single-impeller submersible drainage pump, with vertical delivery port.
GQR: with open impeller. Double mechanical shaft seal with interposed oil chamber, to protect against dry-running.

 



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submersible drainage pumps series GQR

Applications
For clean water containing solids up to 10 mm grain size. For draining rooms or or emptying tanks. Extraction of water from ponds, streams or pits and for rainwater collection. For irrigation purposes.

Operating conditions
Liquid temperature up to 35° C.
Maximum immersion depth: 5 m.
Minimum immersion depth: 205 mm.
Continuous duty (with submerged motor).

Motor
2-pole induction motor, 50 Hz (n = 2900 rpm).
GQR: three-phase 230 V ± 10%; three-phase 400 V ± 10%;.
Cable: H07RN-F, 4G1 mm2, length 10 m, without plug.
GQRM: single-phase 230 V ± 10%, with float switch and thermal protector.
Incorporated capacitor. Cable: H07RN-F, 3G1 mm2, length 10 m, with plug
CEI-UNEL 47166. Insulation class F. Protection IP X8 (for continuous immersion)
Triple impregnation humidity-proof dry winding. Constructed in accordance with: EN 60034-1; EN 60335-1, EN 60335-2-41.

Other features on request
- Other voltages. - Frequency 60 Hz (as per 60 Hz data sheet).
- Other mechanical seal.
- Cable length 20 m.
- Vertical magnetic float switch.
- Motor suitable operation with frequency converter.


Materials

Component Material
Pump casing
Impeller
Cast iron GJL 200 EN 1561
Strainer
Motor jacket
Jacket cover
Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
Handle Polypropylene (with frame in AISI 304)
Shaft Chrome-nickel steel 1.4305 EN 10088 (AISI 303)
Mechanical seal: upper
Mechanical seal: lower
Ceramic alumina/Carbon/NBR
Seal lubrication oil Oil for food/pharmaceutical machinery

Performance (n ≈ 2900 rpm)

3-phase  230V   400V 1-phase 230V Capacitor P1 p2  Q - m³/h 0 3 6 9 12 15 18 21 24 27 30
 A   A   A  µf  Vc   kW   kW   HP  Q - l/min  0 50 100 150 200 250 300 350 400 450 500
GQR 10-10  2 1,2 GQRM 10-10  3,1 12,5 450 0,7 0,45 0,6 H
(m)
10 9,5 8,8 8 6,7 5 3  -   -   -   - 
GQR 10-12  2,4 1,4 GQRM 10-12  3,6 16 450 1 0,55 0,75 12 11,6 11 10,2 9 7,5 5,5 3,2  -   -   - 
GQR 10-14  2,8 1,6 GQRM 10-14  4,6 16 450 1 0,75 1 14 13,5 12,8 12 10,8 9,3 7,5 5,5 3  -   - 
GQR 10-16  4 2,3 GQRM 10-16  6 25 450 1,3 0,9 1,2 16 15,5 15 14,2 13,2 11,8 10,2 8 5,5 2,3  - 
GQR 10-18  4,8 2,8 GQRM 10-18  8 30 450 1,7 1,1 1,5 18 17,5 17 16,2 15 13,7 11,8 9 7 4,3 1,5
GQR 10-20  6,6 3,8           1,5 2 20 19,5 18,8 18 16,8 15,2 13,2 10,8 8,4 5,7 3
P1 Max. power input. P1 Max. power input.  
Density ρ = 1000 kg/m3. Kinematic viscosity ν = max 20 mm2/sec.

Dimensions and weight

 TYPE  mm kg
 H   h max   h min  GQR  GQRM 
GQR(M) 10-10  390 410 205 14 15
GQR(M) 10-12  405 425 220 14,5 15,5
GQR(M) 10-14  405 425 220 14,5 15,5
GQR(M) 10-16  430 450 245 16 18
GQR(M) 10-18  450 470 265 17,5 19
GQR 10-20  450 470 265 19  - 
submersible drainage pumps series GQR - dimensions

Subject to change!
Die Firma Linn-Pumpen GmbH übernimmt keine Haftung für Folgeschäden, welche aus evtl. fehlerhaften Informationen resultieren.


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