JIS F2005-1975 Closed Chock
Material: Cast Steel
Standard: JIS F2005-1975
Nominal Size: 100mm to 500mm
Weight:8.7KG to 232KG
Certificates: CCS, ABS, BV, LR, NK, RINA, etc.
Overview
Describe：
JIS F2005-1975 is a Japanese Industrial Standard for closed chocks, which are used in maritime and marine engineering. Chocks are fittings used to secure ropes or cables on a ship, typically by providing a guide or a point of attachment.
Type：
According to different materials, it is divided into type A 100mm-200mm and type B 250mm-500mm.
Drawing of Type A 100mm-200mm:
Specification of JIS F2005-1975 Closed Chock 100-200mm:
Nominal | L | L1 | L2 | B | H | H1 | H2 | H3 | R | R1 | T | (T1) | (R2) | (R3) | Leg | Calculated | Nominal Dia. of applicable rope | ||
Wire | Manila | Nylon | |||||||||||||||||
100 | 100 | 35 | 170 | 60 | 76 | 141 | 30 | 35 | 38 | 73 | 12 | 10 | 30 | 18 | 7 | 8.7 | 14 | 24 | 18 |
150 | 150 | 50 | 250 | 90 | 110 | 205 | 45 | 50 | 55 | 105 | 16 | 12 | 45 | 29 | 8 | 10.5 | 16 | 30 | 22 |
200 | 200 | 70 | 340 | 120 | 150 | 280 | 60 | 70 | 75 | 145 | 20 | 16 | 60 | 40 | 9 | 24 | 18 | 40 | 28 |
Drawing of Type B 250mm-500mm:
Specification of JIS F2005-1975 Closed Chock 250-500mm:
Nominal L L1 L2 L3 L4 B H H1 H2 H3 R R1 R2 R3 r1 r2 T T1 Calculated Nominal dia. of applicable Wire rope Mani-larope 250 250 92 100 250 434 160 200 372 80 92 100 192 80 56 20 15 24 20 48 20(6x12) 50 300 300 114 110 300 528 200 250 464 100 114 125 239 100 72 25 20 28 22 83 22.4(6x12) 60 350 350 125 125 350 600 220 250 485 110 125 125 250 110 80 30 20 30 22 103 24(6x24) 70 400 400 136 135 370 672 240 250 506 120 136 125 261 120 88 30 20 32 25 136 26(6x24) 80 450 450 148 150 400 746 260 250 528 130 148 125 273 130 94 30 20 36 28 184 30(6x24) 85 500 500 160 175 450 820 280 250 550 140 160 125 285 140 100 30 20 40 30 232 35.5(6x24) 90
Size
(mm)
mass
(kg)
rope
(Reference)
