This rotary valve is designed for chemical applications
The ZXD Blow-Through Premium rotary valve (photo) is designed to convey powder and granular products (smaller than 1 mm). The ZXD includes patented blow-through channel for optimal pocket sweeping, and offers pressure differentials up to 1.5 bar(g). Standard operating temperatures range up to 100°C — special configurations can be supplied for higher temperature (to 150–220°C). Heavy-duty design includes an explosion-pressure shock-proof rating of 10 bar(g). The valve is available with standard TEFC, EXP, Washdown, and IEEE Severe Duty gear motors. The ZXD comes standard with air-purged seals completely mounted with plastic or stainless-steel tubing, solenoid, filter regulator and gage. Sealed-For-Life outboard shaft-seal arrangement separated from product by an air-purge seal and a drop-out opening. — Coperion K-Tron Salina, Inc., Salina, Kan.