GQR
Submersible drainage pumps.
- Single-impeller submersible drainage pump, with open impeller.
- GQR: with vertical threaded delivery port (G 1 1/2).
- GQR 10 32: with horizontal flanged and threaded delivery port (DN 32, PN 6 – G 1 1/2).
- Double mechanical shaft seal with interposed oil chamber, to protect against dry-running.
Description
Technical Specifications
Flow
3 / 30
mc / h
Head
3 / 20
m
Power
0.45 / 2
kW
Applications
- For clean water containing solids up to 10 mm grain size.
- For draining rooms 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).
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 adjustments 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.
- G 1 1/2 vertical, upward delivery port for installation in small pits, without the need for an elbow on the pump.
- Chamber with food/pharmaceutical machinery oil
- Shaft in chrome-nickel stainless steel.
- Suction strainer with a double row of holes, for extra safety against clogging: it allows the passage of solids up to 10 mm.
- Pump casing with epoxy cataphoresis treatment joined to the external paint for a greater protection against the rust.
- Impeller with epoxy cataphoresis treatment for a greater protection against the rust.
- Maximum flexibility of connection:
– Flange DN 32 PN 6 EN 1092-2 for duck foot coupling SA-G2”
– G1 1/2 ISO 228
Additional information
| Brands | Calpeda |
|---|---|
| Category Top Level | Building Services |
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- Pipe kit for electropump connection.
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- For underground installation, extentions can be used.
- Easy pump access through a cover fixed with screws.
End-suction centrifugal pumps EN 733 2- and 4- pole Product Description
Single-stage end-suction centrifugal pumps, with bearing bracket.
- The electropumps N, B-N, N4, B-N4 series comply with the European Regulation no. 547/2012 in force starting from 01.01.2013.
- Nominal duty points and main dimensions in accordance with EN 733.
- Back Pull-Out construction, for simple and quick dismantling and reassembly.
- N, N4: version with pump casing and lanter bracket in cast iron.
- B-N, B-N4: version with pump casing and lanter bracket in bronze (the pumps are supplied fully painted).
- Rated speed of rotation (50 Hz): N = 2900 rpm.; N4 = 1450 rpm.
Shaft sealing
- Standardized mechanical seal in accordance with ISO 3069.
- Stuffing box seal (on request).
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