Fig 581 Extension Piece Used with Fig 575

APPLICATION: Fig. 581 Extension Pieces are recommended for use in suspending hanger rods from overhead support bolts or pins.
CONSTRUCTION: A Fig. 581 Extension Piece consists of a malleable iron threaded collar with a support hole in the other end of the unit. The unit is carbon steel.
FINISHES AVAILABLE: Black, Hot Dip Galvanized or Electro-Plated.
ORDERING: Specify figure number, rod diameter, name and finish.
EXAMPLE: Fig. 581, 5/8”, Extension Piece, HDG.

 

Fig 581 Extension Piece Used with Fig 575

PIPE SIZEROAD DIAMBCDEFMAX REC LOAD (LBS)WT EA
1/2 - 23/82 1/161 5/161 3/169/161/26100.19
2 1/2 - 3 1/21/22 5/161 7/161 5/1611/165/811300.42
4 - 55/82 7/161 9/161 7/163/45/818100.42
63/42 7/81 7/81 9/167/85/827100.68
8 - 127/83 1/1621 11/167/83/429500.78