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Manufactures of Quality Machinery Since 1894

DAVIS Stuffing Boxes

Furnished As Standard Equipment Complete with Air-purge On All Stainless Steel Mixers And Available As An Option On Mild Steel Mixers.

     Their purpose is to prevent material being mixed from getting into the mixer's main bearings. While these bearings are located on the outside of the mixer's tank material can work its way through the tank where main shaft passes and into the bearings. Additionally depending upon the product, a small to moderate amount of leakage will occur where the shaft passes through the tank. Stuffing boxes prevent this. Located between end of tank and main bearings, they're filled with packing which absorbs material that escapes before it can get into the mixer's main bearings. 

When mixing abrasive ingredients such as sand or corrosive material, stuffing boxes are a must. These products will cut through a bearing's seal and severely damage mixer's main bearings. Eventually bearing failure will occur. Initial cost of stuffing boxes is oftentimes no more than the one time cost to replace the main bearings. Furthermore, potential and repetitive downtime due to this ongoing problem can be prevented by having this valuable feature built into your mixer. Stuffing boxes must be built in during construction. Adding them at a later date isn't feasible due to the fact so may changes are required. It isn't something that can't be done but cost would be very significant and field installation is impractical. 

If you're mixing ingredients, which in any way could damage the mixer's bearings, it should definitely be equipped with stuffing boxes. They add 15" to mixer's length

Questions, Comments about any of our products, please let us know!

	H.C. Davis Sons Manufacturing Co., Inc.  Box 395, Bonner Springs, KS 66012-0395, U.S.A.  Telephone:  913-422-3000 Fax:  913-422-7220   Info@HCDavis.Com