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Our rotary valves and diverters have a well-established reputation for being able to handle all kinds of dry powders and granular materials, such as sugar, cocoa, starch, flour, chemical ingredients, lime powder, china clay, fly ash and wood chips. A number of standard rotary valves can be upgraded, depending on the product to be handled. The housing can be made from Ni-hard casting when working with abrasive products, such as fly ash. Or the inside of the housing can be coated with chromium or tungsten, when working with mild abrasive products. What’s more, the valve can be fitted with a special rotor when processing sticky products or starch, for example.



High duty airlocks

High duty blowing seals

Medium/Low duty airlocks

DMN Westinghouse MLD air locks

Medium duty airlock


DMN Westinghouse USAL valve

Medium duty airlock

DMN Westinghouse AML rotary valves

Medium duty airlock


DMN Westinghouse CIP suitable blowing seal

CIP suitable blowing seal


DMN Westinghouse GL granular rotary valves

Granular airlock

• GL

DMN Westinghouse SAL Sanitairy airlock

Sanitairy airlock




DMN Westinghouse HP high pressure rotary valves

HP high pressure rotary valves