Optimising pressure casting in ceramics: HUSKY GRACO diaphragm pumps

Kiepe Electric SpA presents the innovative HUSKY GRACO air operated diaphragm pumps: a reliable, versatile and high-performance solution.

In the ceramic industry, finished product quality is strongly dependent on the precision of the manufacturing process. Pressure casting in particular is a delicate stage that demands the utmost care and attention. To support this critical operation, Kiepe Electric SpA recently expanded its product range with the introduction of HUSKY GRACO air operated diaphragm pumps. Founded in 1959 and based in Lombardy, Kiepe Electric is a recognised leader in the selection, customisation and distribution of components and solutions for the process industry, electrified transport, anticollision and fire prevention systems and work-at-height applications.

Let’s take a closer look at how these pumps work and the benefits they offer for the ceramic industry.

The importance of casting in the ceramic industry

To fully appreciate the value and benefits of HUSKY GRACO pumps, we first need to understand the important role played by pressure casting in the ceramic industry.

Pressure casting involves pouring a liquid clay mixture known as slip into a plaster mould. The plaster absorbs the water, while a solid layer forms along the interior walls. Once the desired thickness is achieved, the excess slip is drained and the piece is dried and fired. Pressure casting therefore consists of three key stages: slip preparation, mould filling (a particularly delicate step requiring a high level of precision to avoid thickness inconsistencies), then drainage and drying. In each stage, precision and control are critical for achieving high product quality, minimising waste and reducing processing times.

Casting can involve both small and large pieces. For small items, it is essential to avoid underfilling or overfilling and to maintain a constant flow to prevent the risk of voids or air bubbles. For larger castings, both speed and precision are essential. The higher volume of slip requires efficient pumping systems such as HUSKY GRACO air operated diaphragm pumps, which we can now look at in greater detail.

HUSKY GRACO air operated pumps:
reliability, versatility and performance for industry

By adding HUSKY GRACO air operated double diaphragm pumps to its catalogue, Kiepe Electric SpA reaffirms its commitment to high-performance industrial solutions. Available in a wide variety of configurations, materials and sizes, HUSKY pumps are one of the most complete and reliable lines on the market and are ideal for handling even highly corrosive, abrasive or viscous fluids.

With their rugged construction and the use of corrosion- and abrasion-resistant materials such as stainless steel, PVDF, conductive polypropylene and Hastelloy, HUSKY pumps deliver a long service life and simplified maintenance. They can run dry without damage and are self-priming and lubricant-free, making them an efficient and reliable choice for many industries, including ceramics.

In ceramic applications, HUSKY GRACO pumps ensure constant and controlled slip transfer, contributing to uniform and precise mould filling. This results in higher product quality, reduced waste and optimised production cycles. The air valve is easily accessible from the outside, while the simplified design allows for rapid maintenance, reducing plant downtime.

The use of HUSKY GRACO air operated diaphragm pumps combines high performance, reliability and ease of operation, supporting more efficient and sustainable production. The availability of ATEX-certified models allows for safe operation in potentially explosive environments and further expands the range of application of these versatile and durable pumps.