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Page 303

FOR MANILA ROPE

These blocks have Malleable Iron Shells and both outside and inside straps extend full length of shell.  Ends of center pin are flush with sides of shell.  Malleable Iron Blocks are standard equipment with Public Utility Companies.

 

 

 

 

     
HS-301-B
SINGLE		 N-302-B
DOUBLE		 P-303-B
TRIPLE
Block Size
(in.) 		Fitting Single Sheave Double Sheave Triple Sheave
301 B
Stock No.
Galv. 		301 R
Stock No.
Galv. 		302  B
Stock No.
Galv. 		302 R
Stock No.
Galv. 		303 B
Stock No.
Galv. 		303 R
Stock No.
Galv.
4 HS 680971 680775 681373 681177 681774 681578
6 HS 680999 680793 681391 — 681792 —
8 HS 681015 680819 681417 — 681818 —
4 N 682639 682434 683031 — 683433 —
6 N 682675 — 683077 — 683479 —
8 N 682719 — 683111 — 683512 —
4 P 691031 — 692637 — 694234 —
6 P 691077 — 692673 — 694270 —
8 P 691111 — 692717 — 694314 —

Bearing Code: B — Self Lubricating Bronze Bushed,  R — Roller Bearing.

 

 

SEE APPLICATION AND WARNING INFORMATION
Para Español: www. thecrosbygroup.com On Pages 290-297
Block Size
(in.) 		Sheave Size
(in.) 		Manila
Rope Size
(in.) 		Working Load Limit *
(lbs.) 		Weight Each
(lbs.)
Outside
Diam. 		Rim
Thickness 		Single Double Triple Single Double Triple
4 2.25 .63 1/2 1100 1600 2200 2.25 3.75 5.00
6 3.50 1.00 3/4 2000 3300 4000 5.50 9.25 12.50
8 4.75 1.13 1 3300 5100 7000 10.00 16.50 22.00

* Ultimate Load is 3.5 times the Working Load Limit.

See page 310  for Heavier Capacity Blocks.

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