Filling & Capping
Filling Machines
Automated filling solutions rapidly and accurately dispense liquids or products into containers with minimal waste.
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Filling Machines Overview
Kelgray’s automated filling systems rapidly and consistently fill containers with precise volumes, without spills or under-fills. By replacing manual filling with automation, you boost throughput, maintain quality, and minimize waste – all while seamlessly integrating into your packaging line. The result is every container filled accurately at high speed, with minimal manual input.
Service information
Our range of filling solutions covers various product types and industries. We offer gravity and pressure fillers for free-flowing liquids, piston and pump fillers for viscous creams or gels, and auger or weigh-fill systems for powders and granulated products.
Depending on your output requirements, we can supply machines with multiple filling heads to fill several containers in parallel, boosting line speed. Each system is engineered for accuracy – using techniques like precise volumetric dosing or weight feedback to ensure each container gets the right amount.
We also focus on hygiene and product safety: our filling equipment is available in stainless steel designs with food-grade contact parts, and options like CIP systems for automated cleaning. Changeovers are made easy too; we incorporate quick-adjust mechanisms or recipe-based controls to switch product sizes or volumes with minimal downtime.
Our fillers come with full integration support – connecting to your conveyors, sensors, and PLCs so that the fill cycle is coordinated and efficient. Why stick to slow, inconsistent manual filling when our automated systems deliver uniform results at speed?
Why Automate Filling with Kelgray?
Precision and consistency
Our fillers dispense exact volumes every time, eliminating the variability of hand pouring. This prevents under-fills that could breach regulations and over-fills that waste product, ensuring each unit meets specifications.
High speed, high yield
Automated filling vastly increases throughput. You can fill more units with fewer staff, and multi-head machines fill multiple containers simultaneously. Faster filling with less spillage means higher yield.
Hygienic and safe
We use sanitary designs (stainless steel, food-grade seals) to protect product integrity, crucial for food, drink or pharmaceutical production. Enclosed filling nozzles and drip prevention keep operations clean. Automation also reduces human contact with the product, improving safety and shelf life.
Complete support and integration
We supply the filler tailored to your product and integrate it with your line. Our team handles installation, training and maintenance to keep it running smoothly.
Specialist Filling Options
For a complete packaging line, our Capping and Conveyors solutions perfectly complement filling, ensuring containers are swiftly sealed and transported after being filled.
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Our Frequently Asked Questions
Here are all of the answers to your most common questions around Filling:
A: We offer a variety of filling machines to suit different products and production volumes. For example, we have gravity and pressure fillers for thin liquids (like water, juices, chemicals), which rely on liquid flow and are great for higher speeds. We provide piston fillers and pump fillers for thicker liquids or creams – these use pistons or pump mechanisms to push out a precise volume, ideal for sauces, lotions, gels, etc. For dry products like powders, spices or granules, we can supply auger fillers or weigh fillers that dispense by screw feed or by target weight. We also can configure filling equipment with one filling head or many (multi-head fillers) depending on how fast you need to fill containers. During consultation, we’ll recommend the best filling technology for your specific product and throughput goals.
A: Yes – we tailor the filling solution to your product characteristics and container. Different products require different approaches: a foamy, low-viscosity liquid (like a detergent) might use a special nozzle that fills from the bottom of the bottle to prevent foam, whereas a very thick product (like honey or paste) might need a piston filler with a powerful drive to push it out smoothly. We consider your product’s viscosity, tendency to foam, temperature, and so on when selecting pumps, nozzles, and other components. Likewise, we adapt to container types – whether you fill small vials, wide jars, flexible pouches or large jerrycans, we’ll set up the fill heads and conveyor indexing to match. In short, Kelgray will ensure the filler is configured to handle your product’s behaviour and deposit it cleanly into your specific containers.
A: Automated fillers are extremely accurate – far more consistent than manual filling by eye or hand. Our machines use precise metering methods (for instance, measuring by volume with a piston or by weight with load cells) to dispense virtually the same amount every cycle. Typical filling accuracy can be within a few millilitres or even less, depending on the product and fill size. This means each container gets nearly identical fill levels, which is important for product quality and regulatory compliance (especially in industries that sell by volume or weight). It also reduces “giveaway” – you’re not giving extra product away in some overfilled units. We often see customers improve yield and reduce variability dramatically after switching to automated filling, as every dose is consistent and on target.
A: The speed depends on your specific equipment configuration, but automated filling will greatly outpace manual methods. Many of our filling machines can fill several dozen containers per minute on a single-head setup, and this multiplies with multi-head fillers. For instance, a 4-head filler can potentially fill four bottles at once, roughly quadrupling the output compared to a single-head. Some high-speed lines with many heads can fill hundreds of units per minute for small volumes. We will design the system to meet your production targets – taking into account factors like fill volume, product viscosity, and container handling. Rest assured, automation will allow you to comfortably meet demand and also handle peak production much more easily than manual filling.
A: Absolutely. The filling equipment we provide can be specified with sanitary (hygienic) design, meaning all product-contact parts are made of stainless steel or food-grade materials that won’t contaminate your product. They are designed without crevices so that residue doesn’t build up. Many fillers come with Clean-in-Place systems or are easy to disassemble so you can thoroughly clean and sanitize them between batches. We’ll make sure the filler meets any industry standards (like FDA, EU hygiene directives) as required for your operation. Safety-wise, the machines have protective guarding and emergency stops to keep operators safe. And because the process is enclosed and automated, there’s less risk of contamination or spills compared to open manual filling.
A: Yes, we always consider integration as part of the solution. Our filling machines can be synchronized with other equipment on your line. For example, once a bottle is filled, a signal can notify the capper to start the capping cycle, or the conveyor can index forward to position the next empty bottle. We ensure the filler’s control system communicates with your conveyor system and downstream machines so that everything runs in unison. Physical integration is addressed too: we’ll match the conveyor height and layout, so bottles seamlessly transfer from the filler to the next station. If you also get other equipment from Kelgray (like cappers or label applicators), we’ll design them as a cohesive unit. Even if your existing equipment is from another supplier, we will make the necessary connections or modifications for smooth cooperation.
A: We provide comprehensive support for our filling solutions. When we install the system, we’ll also train your operators and maintenance team on its operation and upkeep – for example, how to adjust fill volumes, perform cleaning cycles, and replace wear parts like seals or valves. We offer maintenance packages where our technicians come at scheduled intervals to service the filler – checking calibration, replacing any worn components, and ensuring everything remains hygienic and efficient. Spare parts (such as seals, gaskets, nozzles) are available through us to make sure you have the right components on hand. And if you ever run into an issue, our support team is just a phone call away to troubleshoot or arrange on-site assistance. Our goal is to keep your filling operation running smoothly for years to come, with minimal downtime.

