摘要：Unobstructed opening for gravity flow，dilute phase or vacuum conveying applications，Modifications and accessories available，dense

Unobstructed opening for gravity flow，dilute phase or vacuum conveying applications，Modifications and accessories available，dense phase pneumatic conveying，Serviceable while in-line，Patented rising blade，Maintenance friendly，Blade and seals protected，from blast abrasion，Does not pack material upon closure，Air purge keeps material in flow stream。

来源：汉时梦回秦时月