Series 81 / Series 83 Mule Blocks

$0.00

This style of mule block attaches to the bottom flange of the roof support struction. Each rigid sheave housing contains a single or multi-groove sheave with a standardized quantity of cable grooves. Heavy offset clips and bolts are supplied for attachment. Beam flange width and thickness must be specified at time of ordering.

For a Series 83 Swivel Mule Block, the swivel/pivot mechanism enables the mule block to move up/down and left/right for maximum flexibility. a structural angle stand is provided with a series of holes to accomodate a wide variety of mounting configurations. Each sheave housing contains a single or multi-groove sheave with a standardized quantity of cable grooves. Bolts are supplied to attach the stand to the grid.

Part No: Series813MB Category:

Available Options

ThumbnailSKUDescriptionSheave DiameterSheave MaterialGroove QtyCableBearingWLL
1681N196" MD Nylon6”MD Nylon13/16”5/8” BB275#
1881C258" Cast Iron8”Cast Iron11/4”5/8” BB325#
1881N258" MD Nylon8”MD Nylon11/4”5/8” BB500#
4881C258" Cast Iron8”Cast Iron41/4”11-16-bb1000#
6681N196" MD Nylon6”MD Nylon63/16”1” BB850#
8881C258" Cast Iron8”Cast Iron81/4”1” TRB1250#
8881N258" MD Nylon8”MD Nylon81/4”1” TRB1400#
1683N196" MD Nylon6”MD Nylon13/16”5/8” BB275#
1883C258" Cast Iron8”Cast Iron11/4”5/8” BB325#
1883N258" MD Nylon8”MD Nylon11/4”5/8” BB500#
4883C258" Cast Iron8”Cast Iron41/4”11-16-bb1000#
6683N196" MD Nylon6”MD Nylon63/16”1” BB850#
8883C258" Cast Iron8”Cast Iron81/4”1” TRB1250#
8883N258" MD Nylon8”MD Nylon81/4”1” TRB1400#

Notes:

* Weight in pounds @ 300 ft/min, assuming 180° cable wrap. Field welding to building structure may be required to to attain full load rating. Consult factory for specific recommendations.

Available Options

ThumbnailSKUDescriptionSheave DiameterSheave MaterialGroove QtyCableBearingWLL
1681N196" MD Nylon6”MD Nylon13/16”5/8” BB275#
1881C258" Cast Iron8”Cast Iron11/4”5/8” BB325#
1881N258" MD Nylon8”MD Nylon11/4”5/8” BB500#
4881C258" Cast Iron8”Cast Iron41/4”11-16-bb1000#
6681N196" MD Nylon6”MD Nylon63/16”1” BB850#
8881C258" Cast Iron8”Cast Iron81/4”1” TRB1250#
8881N258" MD Nylon8”MD Nylon81/4”1” TRB1400#
1683N196" MD Nylon6”MD Nylon13/16”5/8” BB275#
1883C258" Cast Iron8”Cast Iron11/4”5/8” BB325#
1883N258" MD Nylon8”MD Nylon11/4”5/8” BB500#
4883C258" Cast Iron8”Cast Iron41/4”11-16-bb1000#
6683N196" MD Nylon6”MD Nylon63/16”1” BB850#
8883C258" Cast Iron8”Cast Iron81/4”1” TRB1250#
8883N258" MD Nylon8”MD Nylon81/4”1” TRB1400#