Coperion

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ZAQ Rotary Valves: New Size for Even Higher Throughputs

We have added a new size to the ZAQ series of high-pressure discharge rotary valves: the new ZAQ 700 is designed for particularly high throughputs of up to 150 t/h and is suitable for feeding powder into pneumatic conveying systems of up to 3.5 bar.

Polyolefin manufacturers from all over the world are demanding ever increasing throughput rates for conveying systems and components such as discharge valves. We have developed the new ZAQ 700 precisely for this purpose. Thanks to its very high reliability and high-rate performance, it is designed in particular for polyolefin manufacturing systems with very high throughputs.

We successfully launched the ZXQ 800 high-performance blow-through rotary valve back in 2022. The new ZAQ 700 is now the perfect addition to the product line. This discharge valve is also suitable for operation in pneumatic conveying systems with pressures of up to 3.5 bar and is designed for particularly high throughputs of up to 150 t/h, depending on the particle size, bulk density and conveying pressure. 

We have equipped its single-walled housing with a particularly resistant aluminum hard coating (AC) for this purpose. The newly developed purge gas seal has also been implemented in this high-pressure rotary valve. This reduces purge gas consumption by up to 70% for unheated valves and by up to 90% for heated valves. 

"We are very proud of the new ZAQ 700 high-pressure rotary valve and are certain that it will play an important role in high-throughput polyolefin plants. Initial positive feedback from satisfied customers makes us very confident," says Günther Dehm, Product Manager at Coperion.

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