In the mid 1930s Mr. F.L. Burt of San Francisco believed the Untied States would benefit from his German-designed filling system. Thus the F.L. Burt Filling Machine Company was founded. As the machines were straightforward, and uncomplicated to use, Mr. Burt chose the name "Simplex" for his machines.

Mr. Burt's top selling machine was a table-top, single-head piston filling machine. Today, this machine, the AS-1, is the cornerstone of the Simplex line. Little has changed on the AS-1, and it is as reliable, accurate and cost effective as it was nearly 50 years ago. There are a few original machines that are still in use today.

In 1947 the FL Burt Co. manufactured the Simplex piston fillers in San Francisco with the help of Russian and German immigrants who had arrived in the United States after the onslaught World War II.

In 1969 Tom Harrison and G. Donald Murray III purchased F.L Burt Co. through their parent company Wild Horse Industrial Corporation which was the named after Mr. and Mrs. Murray's ranch in Napa, CA.

In 1970, the demand for F.L Burt fillers became too great for the company's manufacturing space, so it was moved from San Francisco to a larger plant in Hayward, CA.

In 1975 Wild Horse Industrial purchased Elkus Manufacturing, a leader in the pressure filling industry. The two companies, F.L Burt, and Elkus were welded into one company which became the Simplex Filler Company. The name Simplex was a tribute to Mr. Burt's original machines, and his philosophy of designing simple, and flexible machines.

In 2000, Simplex relocated to a brand new, 13,000 square feet facility in the world famous Napa Valley in California. The move to Napa was based on the fact the Murray's resided in Napa and wanted to be closer their business. Joining Mr. and Mrs. Murray are two of their four children, who take an active role in the day-to-day operations.

To compliment the family fun atmosphere at Simplex, dogs are a welcome addition, and happily greet customers and delivery personnel alike.

Simplex is known throughout the world as the leader in piston fillers, and we take great pride in knowing that Simplex has been family owned and operated for more than forty years.

This single head machine is compact and durable and recognized as a world standard for liquid, semi-solid and/or soft particulate filling. The Simplex table model AS-1 is a simple and accurate filling machine. Any manual AS-1 can be upgraded to be fully automatic at the factory. Some AS-1s have been in continuous operation for over 30 years. Economical and versatile the AS-1 is constructed of USDA approved materials, making it useful for many products and operations.

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