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4CA+MOTOR

Bare shaft Cast Iron Pump

Bare shaft centrifugal pump constructed in compliance with EN 733 standards; widely used in water supplies, pressurisation and fire-fighting systems.

Data SheetsManual
Pentax 4CA+MOTOR 4-pole centrifugal pump unit coupled on a steel baseplate, constructed in compliance with EN 733 standard dimensions, presented on a white marketing banner. This blue industrial process and agricultural water pump system is designed for water supplies, pressurisation, and fire-fighting installations, serving as a heavy-duty alternative to Grundfos NK, Wilo GIGA-N, and Pedrollo 4-pole bare shaft pump sets

PUMP CHARACTERISTICS

MODELS AND PERFORMANCE SPECIFICATIONS

Example Model: 4CA 80-160A -X -2E -WF

1. Poles

  • [Blank]: 2 poles

  • 4: 4 poles

2. Core Model & Size (4CA 80-160A)

  • CA / 4CA: Pump type / series

  • 80-160A: Pump size and performance rating (Delivery port size / Impeller nominal diameter)

3. Seal Type

  • [Blank]: Mechanical seal

  • T: Gland packing

4. Pump Body Material

  • [Blank]: Cast iron (Standard)

  • X: Stainless steel (AISI 316)

5. Impeller Material (-X)

  • [Blank]: Same material as the pump body (Standard)

  • B: Bronze

  • X: Stainless steel (AISI 316)

6. Mechanical Seal & O-Rings (-2E)

  • [Blank]: Standard seal configuration

  • E: EPDM

  • V: FKM (Viton)

  • 2E: SiC-SiC-EPDM

  • 2V: SiC-SiC-FKM

7. Counter Flange Kit (-WF)

  • [Blank]: Supplied with counter flanges

  • WF: Supplied without counter flanges


Construction versions

The pumps can be fitted next to a motor on a common baseplate, with the pump shaft and the motor shaft connected by a flexible coupling.


CA-4CA with motor

counterflanges supplied separately


CAX-4CAX with motor

counterflanges supplied separately

Shaft seals versions

The pumps can be provided on request with gland packing instead of mechanical seal.

CA-CAX-4CA-4CAX/ mechanical seal CAT-CATX-4CAT-4CATX/gland packing seal


CM-CMG-CA-4CA

CM: Front suction close-coupled centrifugal pumps with close impeller mounted on IE3 motor shaft extension.

Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.


CMG-CMGX: Front suction centrifugal pumps connected to IE3 standard motor (stub-shaft construction).

Pump casing with axial suction and radial delivery on top, main dimensions and performance according to EN 733.


CA-CAX-4CA-4CAX: Single-stage end-suction centrifugal frame-mounted pumps.

Dimensions in accordance with EN 733.



For detailed performance curves and technical specs, please refer to the product datasheets. For complex industrial applications, we recommend using our Pump Selector tool or contacting our engineers to ensure a precise match for your system.


CA Series Models list and materials




CA Serie-Mechanical seal and bearings



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