The construction of ZMIE Combination Cast Chain can be either cottered or riveted. Cottered is normally considered standard. Pins have flat areas at their ends, which lock into the appropriately punched sidebars, preventing pin rotation during chain operation. All pin holes are clean-cored for smooth bearing surfaces and are dimensioned for proper pin clearance. Industry dimensional standards are rigidly maintained and this chain may be interchanged with links of other manufacturers.
Pitch sizes range from 1.631 to 6.050 inches; tensile strength range extends from 12,150 to 67,500 pounds. All ZMIE Combination block links except C55 and C55L have elliptical barrels. This adds extra metal where the sprocket to chain contact causes most chain wear. MBP 132C has chambered barrels containing grease which lubricates pins, helps to avoid joint freezing, and prohibits entry of corrosive and abrasive material into the barrel core.
Attachments are available in many of the pitch sizes for a wide range of applications. Combination links are symmetrical and may therefore be operated in either direction of travel. Brutaloy and cast steel sprockets are available for each pitch size.
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