GQN
Submersible sewage and drainage pumps.
- Single-impeller submersible pumps, (with two-passage) with channels impeller with vertical threaded delivery port (G 2”).
- Double mechanical shaft seal with interposed oil chamber, to protect against dry-running.
Technical Specifications
Flow
6 / 48
mc / h
Head
1.4 / 16.3
m
Power
0.9 / 1.5
kW
Applications
- For domestic or industrial waste water, dirty water with solids up to 50 mm grain size
- For liquids which are compatible with the pump materials
- For draining rooms or emptying tanks
- Extraction of water from ponds, streams or pits and for rainwater collection
Operating conditions
- Maximum liquid temperature: 35 °C
- pH value: 6-11.
- Immersion depth: 5 m max
- Minimum immersion depth: 275 mm.
- Continuous duty (with submerged motor).
Features
- Cable length 10 m, pump single-phase with plug
- Handle in polypropylene, with frame in stainless steel.
- Easy inspection of the capacitor area.
- Easy adjustment of the float switch to allow the adjustment of start/stop pump levels.
- Ring against accidental extraction of the cable.
- The double shaft seal with oil chamber separates the motor from the water and provides further protection against accidental operation when dry.
- Relief valve: the pump is fitted to a relief valve for air release around the impeller granting a proper pump priming also after long standstill periods.
- Chamber with food/pharmaceutical machinery oil
- G 2 vertical, upward delivery port for installation in small pits, without the need for an elbow on the pump.
- Impeller with epoxy cataphoresis treatment for a greater protection against the rust.
- Shaft in chrome-nickel stainless steel.
- Channels impeller (two-passage). Construction is particularly suitable for liquids containing solids up to 50 mm grain size.
- Pump casing with epoxy cataphoresis treatment joined to the external paint for a greater protection against the rust.
| Brands | Calpeda |
|---|---|
| Category Top Level | Building Services |
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GEOTRIT-GEOCLEAN-GEOCOMP
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GEOCLEAN
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- GEOCLEAN is provided with flexible sleeves, elbow, metal hose clips, plugs.
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GEOCLEAN
-
- Lifting station for clean water.
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NM, NMD
Close-coupled, centrifugal pumps with screwed connections; electric motor with extended shaft directly connected to the pump.
NM: single-impeller
NMD: with two back-to-back impellers (with axial thrust balancing).
Connections: threaded ports ISO 228/1 (BS 2779).
NM, NMD: version with pump casing and lantern bracket in cast iron.
BNM, BNMD: version with pump casing and lantern bracket in bronze.
The pumps are supplied fully painted.
Centrifugal pumpsn≈1450 1/min
Close-coupled centrifugal pumps; electric motor with extended shaft directly connected to the pump up to 15 kW, new bracket construction for standard motors (Stub-shaft construction) from 18,5 to 75 kW with integrated thrust bearing.
Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733 with additional sizes for completion.
NM(S)4: version with pump casing and lantern bracket in cast iron.
BNM(S)4: version with pump casing and lantern bracket/casing cover in bronze.
The pumps are supplied fully painted.
Version with frequency converter (on request)
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