BAW Centrifugal Pump

I. Product Overview

This sanitary centrifugal pump is a single-suction, single-stage centrifugal unit suitable for transporting various liquids such as milk, beverages, and alcohol. It is essential conveying equipment for the food, chemical, and pharmaceutical industries. It can handle fluids at temperatures up to approximately 200ºC. It is particularly well-suited for high-resistance systems, such as tubular sterilization units, yogurt holding equipment, and CIP (Clean-in-Place) systems.

II. Structural Features

This series of pumps consists primarily of a pump body, a pump base, and a motor assembly, with the components connected by bolts.

The support legs beneath the baseplate are fully adjustable, facilitating installation without the need for a permanent foundation. The discharge outlet can be oriented either vertically or horizontally to meet specific installation requirements.

The pump features a design characterized by smooth transitions, a rigid structure, and thick-walled construction.

Regarding materials, all parts in contact with the product—such as the pump body, pump cover, and impeller—are manufactured from AISI 316 or AISI 304 stainless steel.

The mechanical shaft seal is custom-made using high-quality stainless steel and silicon carbide, significantly enhancing wear resistance and lubrication properties while extending service life.

The pump body and impeller are produced via precision casting, and all parts undergo surface treatment. Specialized tooling and fixtures are used during assembly to ensure precise dimensional clearances.

The shaft seal area features an open design, allowing for the immediate detection of even minor leaks. This prevents overflow into the motor—even if a leak goes unnoticed for a short time—thereby protecting the motor's service life.

Precision-manufactured and resistant to scale buildup, this pump series is ideally suited for CIP cleaning.

These pumps feature a simple structure, easy disassembly, low noise levels, and high operating efficiency. They handle materials gently, meeting food hygiene standards while preserving the product's original flavor.

III. Operating Instructions

For installation, it is best to position the centrifugal pump below the suction liquid level (if the pump is installed above the liquid level, it must be primed before startup). Before use, verify the correct impeller rotation direction, ensure the inlet and outlet connection nuts are tightened, and confirm the seal between the pump cover and pump body is properly seated. Parts in contact with the product should be steam-sterilized prior to use to ensure food hygiene. A butterfly valve should be installed at the pump outlet to control the flow rate. Do not operate the pump under overload conditions for extended periods, as this may damage the motor.

Perform CIP (Clean-in-Place) cleaning immediately after use to prevent product adhesion. If CIP is unavailable, manual cleaning is required. To clean manually: first flush with hot water, then disassemble the unit and scrub all product-contact parts with a brush; rinse thoroughly with clean water and reassemble the components in the correct order.

If product is observed dripping onto the floor from behind the pump casing during operation, it indicates a leak at the shaft seal. Inspect the mechanical seal assembly on the shaft; if the seal is severely worn or damaged, it must be replaced or resurfaced before further use.