CISG pump, CISG marine pump

I-c. Centrifugal CISG Pump

Qmax to 160m3/h, Hmax to 125m, Inline, closed coupling (mono type).

SKU: Compact structure, High efficiency, Easy installation/service, Mono-block type, In-line and same inlet/outlet flanges, ISO2858 standard Categories: , , , , , , , , , , ,

The SILI CISG pump is a popular centrifugal marine pump, which is widely used in marine and offshore industry. This pump performance is on the basis of CIS pump, but just in vertical type. CISG pump is a centrifugal type with single stage, single flow, in line and same flanges. it is suitable liquid for fresh water or sea water with little particle below 70 C degree, (specially mechanical seal for 120 C degree). CISG pump application for fresh and seawater cooling pumps, bilge and ballast pumps, fire-fighting, general service pumps, deck-wash pumps and so on. CISG pump spare parts can be also available in our sides.


CISG vertical centrifugal marine pump Feather:

a. Mono-block design type, it request much less space for pump installation, which the operation is more convenient.

b. High quality replaceable mechanical shaft seal of an approved brand, tungsten, carbon, ceramics, stainless steel material. A special mechanical seal for temperature higher than 120 C.

c. Bronze pump casing&body, impellers and stainless steel shaft as standard for sea water.

d. Coupled to 2 or 4 pole quality IEC motor configurations, with high level class and insulation, in both 50Hz and 60Hz, suitable for marine purpose.

e. Pump inlet and outlet flange is inline and same. Pump can be installed like a valve in the pipeline.

f. The lower barycenter of the vertical structure which coincides with the center of the pump feet strengthens the stability of running and the duration.

Refer to pump and spare parts details from the CISG pump catalogue, and contact us more information for pump specification, manual, performance curve, installation dimension, spare parts list and so on.


The CISG pump, in mono-block type design. The pumps are available in sizes ranging from 25 mm to 100 mm on the inlet/outlet flange. The suction flange is same with the discharge flange.

The CISG pump is a single stage, single suction centrifugal pump used in marine and off shore industry. The pump is a so-called “in-line” type, i.e. suction and pressure branches are mounted on the centre line.

Shaft and shaft seal: basically there are two kinds of shaft sealing: the packing and the mechanical seal, a mechanical shaft seal with stainless steel shaft is a standard.

Bearings: the pump shaft is guided by antifriction bearings. It is usually designed for grease lubrication(standard) or oil lubrication.

Material for wet part: pump impeller, pump cover & casing(body) are in bronze for standard for sea water, while for fresh water, cast iron pump casing is optional

Motor: in high class and insulation level, TEFC, IEC standard, 50Hz or 60Hz, especially designed for marine and off shore purpose.

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CISG Pump Technical details:

–Motor: 2 or 4 pole quality IEC motor configurations, with high level class(class F or higher) and insulation(insulation IP44 or higher), in both 50Hz or 60Hz, Y-H series, suitable for marine purpose, Starting in direct type(small power) or Star-delta type.

–Material: pump casing/cover: bronze(sea water) or cast iron(fresh water), pump impeller: bronze, shaft and key, stainless steel

Shaft seal: mechanical seal, material: SIC(silicon carbide),hard alloy and ceramics.

–Coupling: Mono block type, pump is directly connected with the motor.

–Bearing: motor side, two enclosed antifriction bearing, lubricated by grease; pump side, no bearing.

–Accessory: motor terminal box, lifting hooks, air vent plug, drain plug, gauge connection plug and so on.

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Standard pump supply range: pump, coupling(for the coupling type), motor, pedestal and standard accessories.

Optional supply: accessories: vacuum and pressure gauge, opposite flange, starter, valves,  nuts and bolts and so on, suggested min spare parts: 1 pcs of impeller, 1 pcs of shaft, 2 pcs of mechanical seal, 2 sets of bearing, 6 pcs of O-ring

Certificate of classification society available: ABS, BV, and CCS

Standard packing: plywooden case.

Production time: usually in 25 to 35 days for bronze pump, 20 to 25 days for cast iron pump.

Warranty time: one year after shipment.

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Case reference: it is updated in case blog.
Please click the following link for relative case.

Usage or application: This pump can be use for cooling, ballast, GS, bilge, fire-fighting and so on.
Please click the relative category in right of the production picture for more information

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Kindly send your specific inquiry, we will reply you in one working day.
Please contact us through:
a. directly send us an e-mail , sales@silipump.com(suggested).
b. contact us throught the online Skype or Online message(just working time in working day).
c. leave a message on the web.

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