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Sunco Powder Systems For over 40 years, Sunco has manufactured industrial process valves and quipment for virtually all industries. High quality, heavy duty equipment for handling a wide range of dry and liquid materials: from fly ash, wood products, chemicals, pharmaceuticals, food and beverage, sugar, to plastic pellets, wastewater and more. We have over 5,000 installations worldwide, and opened our 25,000 square foot facility in Lancaster, SC in 2014 to better service our customers. Contact us today to find out how Sunco can help improve the efficiency and reliability of your process with our proven material handling solutions.
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Unless otherwise expressly agreed to in writing by SUNCO, all quotations and resulting orders shall be governed solely and exclusively by the SUNCO Powder Systems Inc - Terms and Conditions, a copy of which is available below. SUNCO expressly rejects the applicability of any and all terms and conditions of other parties.
Rotary Valves or Rotary Airlocks are regulate the flow of material from one chamber to another while maintaining a good airlock condition. Common uses include at the discharge of dust collectors, storage bins and pneumatic conveying applications. Sunco Rotary Airlocks can accommodate pressure differentials up to 20 psi and tepmeratures to 750o F (utilizing special high temperature bearings). We have made special valves to handle pressures to 350 psi and temperatures to 2200o F.
The Sunco Dust Collector Valve is a low-cost solution designed for light duty dust collector applications. This valve offers a tremendous cost savings over our heavy duty series. To keep costs low, the Dust Collector Valve is only available in the configurations listed below. It is also designed for maximum temperatures of 150° F and pressure differentials of 4 psi or less.
The Sunco Blow-Through Rotary Valve is an extension of our Drop-Through Rotary Valve and is designed for use in the Pneumatic Conveying Industry. The unique design of the Blow-Through Rotary Valve allows you to introduce high pressure conveying air through the valve body and rotor pockets, which ensures a high efficiency throughput with a low effective pressure drop.
Reviews (5)
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Leanne Thompson
Mar 11, 2022
Great company and people. Even helped us export the equipment overseas to our client.
Tom Young
Apr 30, 2019
Saved my butt when my blower went down. Had it in stock and shipped it to me for next day delivery. Also sent me manuals on blowers in my plant that they didn't even provide. Roots wanted me to pay for the manuals.
Brian Taylor
Jan 29, 2019
Been using their dust collector valve for years. Great quality and pricing. Recommend.
Douglas Grosser
Dec 21, 2016
While I can't comment on the quality of Sunco's product, I can comment on their dedication to customer service. Though they speak kindly enough, the actions of the sales engineer and the management shows that the staff can't dedicate themselves to individual cutomers. If you need something quick and if you're not a returning customer, look somewhere else for your rotary valve.

Here is what happened: We had requested a Dust Collector Rotary Valve on a Friday and the sales engineer assured us that we would receive it no later than Wednesday. Monday rolls around, and no word from Sunco. I called them up and asked for the sales engineer to call me back with a status update. Tuesday rolls by with still no word from Sunco. I had called them up multiple times, and each time the sales engineer was out or in a meeting.

I asked for other people to help with my order, but no one got back to me. Wednesday and Thursday rolls through with the same story as Tuesday, and even when I got a hold of someone on the management side, they failed to return my call. It was not a pleasant experience, and I will look for other rotary valve manufacturers in the future.
Mathew Rice
Dec 18, 2016
Great customer service. We needed rotary valves quickly for a job and they went above and beyond. Highly recommend.