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 SIZE | ROAD DIAM | B | C | D | E | F | MAX REC LOAD (LBS) | WT EA |
|---|---|---|---|---|---|---|---|---|
| 1/2 - 2 | 3/8 | 2 1/16 | 1 5/16 | 1 3/16 | 9/16 | 1/2 | 610 | 0.19 |
| 2 1/2 - 3 1/2 | 1/2 | 2 5/16 | 1 7/16 | 1 5/16 | 11/16 | 5/8 | 1130 | 0.42 |
| 4 - 5 | 5/8 | 2 7/16 | 1 9/16 | 1 7/16 | 3/4 | 5/8 | 1810 | 0.42 |
| 6 | 3/4 | 2 7/8 | 1 7/8 | 1 9/16 | 7/8 | 5/8 | 2710 | 0.68 |
| 8 - 12 | 7/8 | 3 1/16 | 2 | 1 11/16 | 7/8 | 3/4 | 2950 | 0.78 |