German fairleader Chock Type A

DIN 81915

Material

Cast steel（CS）-GS240 acc. to En 10293 or equivalent. Or Grey Iron steel（GL）En GJL-200 or equivalent.
Or stainless steel（SS）-G-X6CrNiMo 1810 acc. to EN 10283 or equivalent.

Surface treatment

Cast steel & grey iron steel：Sa 2.5+ Hempel primer ZS 15890 grey.
Constructed in compliance with IMO Guidance.MSC/Circ.1175 of 24 May 2005 and IACS UR A2（Rev 3）
Design load 1.25*MBL
Allowable stresses 100/60 % of min yield point SWL=-MBL.
Suitable strengthening below deck by the yard.
Supporting hull structure and reinforcement beneath to the arranged by the yard to the satisfaction by the classification society.
Type Wire W.L (kn) b1 b2 h1 h2 h3 l1 r1 r2 s1 s2 w1 w2 Weight （kg）
A2 20 315 225 200 70 25 360 100 57.5 12 6 160 115 26
A3 30 390 275 250 75 32 450 125 70 14 7 200 140 42
A5 50 480 340 300 80 38 550 150 90 16 8 250 180 74
A8 80 585 415 360 90 45 680 180 112.5 18 9 320 225 120
A12 125 710 500 440 110 55 840 220 135 20 10 400 270 185
A20 200 840 595 520 130 65 1020 260 160 22 11 500 320 285
A32 320 1100 800 700 150 80 1300 350 200 35 20 600 400 795

German fairleader Chock Type B

DIN 81915

Specification

Model type：DIN 81915 Chock type B
Material：Cast steel
Technology：Casting
Standard：DIN 81915
Certificate：CCS、DNV、BV、GL、LR etc
Marine chocks，mounted on deck or bulwark，are closed chocks which are used to control the position of mooring rope. It is casted to be round or oval shapes. DIN 81915 Chock Type B is made according to German standard DIN 81915.It has horns on each side. It three optional size.D3，D5，D8.
Type Wire load （KN） b1 b2 d e f≈ h1 h2 h3 l1 l2 r1 r2 w1 w2
3 30 390 275 40 195 21 250 75 32 450 140 R125 R70 200 140
5 50 480 340 45 240 24 300 80 38 550 160 R150 R90 250 180
8 80 585 415 50 292.5 27 360 90 45 680 180 R180 R112.5 320 225
Type Weight（kg）
3 39 42 44 48 2
5 69 74 78 85 3
8 112 120 127 136 4

German fairleader Chock Type C

DIN 81915

Specification

The mooring chock body material selection in accordance with GB 8162 204 seamless steel tube. Can also be specified in GB 712 A grade of steel plate is bend into.
Stainless steel clad plate selection in accordance with GB 4237 use 1Cr18Ni9Ti stainless steel plate.
The mooring chock body at intersecting line and the outer rim，welding surface clean and no crack ，war page，skew，Cut straight to shape edges.
Mooring chock stainless steel clad plate shall be flat and body joint, the weld shall be no pores，cracks，burrs and lack of depression.
Mooring chock completion except stainless steel clad plate，should brush rustproof paint，After loading the goods on board according to the requirements of ship hull paint.
Type Max.Proof load b1 e f h1 l1 w1 w2 Weight（kg）
1 10KN 250 125 15 160 285 125 90 18
2 20KN 315 157.5 18 200 360 160 115 26
3 30KN 390 195 21 250 450 200 140 42
5 50KN 480 240 24 300 550 250 180 74
8 80KN 585 292.5 27 360 680 320 225 120
12 120KN 710 355 30 440 840 400 270 185
20 200KN 840 420 33 520 1020 500 320 285
32 320KN 1100 550 - 700 1300 600 400 795