General-Purpose Rotary Valve – Blow-Through Type

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last updated：Jul 10, 2026

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Designed with an open-type rotor to minimize powder adhesion

The general-purpose rotary valve, Blow-Through Type, is available in three series: the Standard Type B Series, the Fully Blow-Through Type CB Series, and the Easy-Clean Type SB Series. The CB Series is a standard model designed specifically for pneumatic conveying, featuring a mixed-phase pipe at the discharge section. Both the B Series and CB Series are equipped with an open-type (O-type) rotor. The SB Series, based on the B Series, features a structure that allows one side of the stuffing box to be opened, enabling easy rotor removal and simplified cleaning. For further details, please download the catalog.

Related Link - https://www.aishin-sangyo.co.jp/products/10-022.ht…

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【Features】【Standard Type B Series】 ○ Standard rotary valve for pneumatic conveying equipped with a mixed-phase pipe at the discharge section ○ Air flows through the rotor blades, reducing powder adhesion ○ Compact height design enabled by the mixed-phase pipe, allowing a lower upstream hopper height ○ Open-type (O-type) rotor design ○ Wide range of piping connection sizes available to match conveying pipelines 【Complete Flow Type CB Series】 ○ Structure allowing all conveying air to pass through the rotor section ○ Further reduction of powder adhesion as all air flows through the rotor blades ○ Compact height design enabled by the mixed-phase pipe ○ Open-type (O-type) rotor design Piping size is limited due to connection within the circular stuffing box 【Easy Cleaning Type SB Series】 ○ Based on the B Series with a structure that allows one side of the stuffing box to be opened ○ Easy rotor removal for simplified cleaning ○ Ideal for handling highly adhesive powders or for frequent product changeovers ○ Available materials: cast iron or stainless steel casting ● For further details, please refer to the catalog or feel free to contact us.