CAS Single Conductor Blocks
The block wheels are made of aluminum alloy mounted on ball bearings; the groove is lined by a neoprene ring or by wear-proof interchangeable nylatron or aluminum sectors. The frame is made of galvanized steel. The blocks can be supplied with three types of connections: fixed (B and B1), swivel-type (C and C1) or with a hook supplied with safety lock (D and D1).
Grounding device or complete conductive sheaves are available upon request.
Models
| Model Nylatron | Type of connection | Dimensions inches (mm) | Breaking load | Mass | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | G | H | lbf (kN) | lbs (kg) | ||
| 21007005 | C1 | 1 (26) | 5/8 (16) | 1 31/32 (50) | 10 (250) | 6 (145) | 19 (482) | 13 (330) | 7 (175) | 17,985 (80) | 15 (7) |
| 21007010 | D1 | 31/32 (25) | 3/4 (19) | 1 31/32 (50) | 10 (250) | 6 (145) | 19 (490) | 13 (330) | 7 (175) | 17,985 (80) | 15 (7) |
| 21007020 | B1 | 1 (26) | 11/16 (18) | 2 1/8 (54) | 14 (350) | 6 (150) | 23 (595) | 17 (440) | 8 (200) | 15,737 (70) | 24 (11) |
| 21007030 | C1 | 1 3/8 (35) | 11/16 (18) | 2 1/8 (54) | 14 (350) | 6 (150) | 25 (640) | 17 (440) | 9 (225) | 15,737 (70) | 26 (12) |
| 21007040 | D1 | 1 1/4 (31) | 1 3/16 (30) | 2 1/8 (54) | 14 (350) | 6 (150) | 25 (630) | 17 (440) | 9 (235) | 15,737 (70) | 26 (12) |
| 21007080 | B | 1 (26) | 25/32 (20) | 2 11/16 (68) | 26 (650) | 7 (186) | 39 (996) | 31 (775) | 10 (260) | 22,481 (100) | 62 (28) |
| 21007085 | C | 1 9/16 (40) | 25/32 (20) | 2 11/16 (68) | 26 (650) | 7 (186) | 41 (1,052) | 31 (775) | 12 (315) | 22,481 (100) | 64 (29) |
| 21007095 | D | 1 1/4 (32) | 1 9/32 (33) | 2 11/16 (68) | 26 (650) | 7 (186) | 43 (1,087) | 31 (775) | 13 (330) | 22,481 (100) | 66 (30) |
| 21007105 | B | 1 (26) | 25/32 (20) | 3 3/4 (95) | 26 (650) | 9 (218) | 40 (1,010) | 31 (775) | 11 (275) | 26,977 (120) | 71 (32) |
| 21007110 | C | 1 9/16 (40) | 25/32 (20) | 3 3/4 (95) | 26 (650) | 9 (218) | 42 (1,062) | 31 (775) | 13 (330) | 26,977 (120) | 73 (33) |
| 21007120 | D | 1 1/4 (32) | 1 9/32 (33) | 3 3/4 (95) | 26 (650) | 9 (218) | 43 (1,097) | 31 (775) | 14 (345) | 26,977 (120) | 75 (34) |
| 21007130 | B | 1 (26) | 25/32 (20) | 2 11/16 (68) | 32 (800) | 7 (186) | 43 (1,101) | 35 (880) | 10 (260) | 26,977 (120) | 71 (32) |
| 21007135 | C | 1 9/16 (40) | 25/32 (20) | 2 11/16 (68) | 32 (800) | 7 (186) | 46 (1,157) | 35 (880) | 12 (315) | 26,977 (120) | 73 (33) |
| 21007145 | D | 1 1/4 (32) | 1 9/32 (33) | 2 11/16 (68) | 32 (800) | 7 (186) | 47 (1,192) | 35 (880) | 13 (330) | 26,977 (120) | 75 (34) |
| 21007155 | B | 1 (26) | 25/32 (20) | 3 3/4 (95) | 32 (800) | 9 (218) | 44 (1,125) | 35 (893) | 11 (275) | 26,977 (120) | 84 (38) |
| 21007165 | C | 1 9/16 (40) | 25/32 (20) | 3 3/4 (95) | 32 (800) | 9 (218) | 47 (1,180) | 35 (893) | 13 (330) | 26,977 (120) | 86 (39) |
| 21007175 | D | 1 1/4 (32) | 1 9/32 (33) | 3 3/4 (95) | 32 (800) | 9 (218) | 48 (1,215) | 35 (893) | 14 (345) | 26,977 (120) | 88 (40) |
| 21007180 | B | 1 (26) | 25/32 (20) | 3 3/4 (95) | 39 (1,000) | 9 (218) | 53 (1,335) | 43 (1,100) | 11 (275) | 26,977 (120) | 108 (49) |
| 21007185 | C | 1 9/16 (40) | 25/32 (20) | 3 3/4 (95) | 39 (1,000) | 9 (218) | 55 (1,387) | 43 (1,100) | 13 (330) | 26,977 (120) | 110 (50) |
| 21007190 | D | 1 1/4 (32) | 1 9/32 (33) | 3 3/4 (95) | 39 (1,000) | 9 (218) | 56 (1,422) | 43 (1,100) | 14 (345) | 26,977 (120) | 112 (51) |
