JIS F 2005-1975 Closed Chock

JIS F 2005-1975 Closed Chock

Closed chock is one form of mooring chock which used to guide the mooring ropes. JIS F-2005 closed chock is made according to marine standard of Japanese Standard Association. JIS F-2005 is made of cast steel. Its surface is galvanized, polished and painted to be smooth,which can reduce the friction of the rope. We can also produce the customized chocks for your specific need. If you’re interested in our mooring chocks, please feel free to contact us.

Specification :

Model Type: JIS F 2005-1975 Closed Chock

Material: Cast Steel

Nominal Size: 100mm~200mm, 250mm~500mm

Weight: 3.7kg~24kg, 48kg~232kg

Standard: JIS F 2005-1975

Certificate: CCS,DNV,ABS,BV,LR,RS,KR

Drawing 1 of JIS F 2005-1975:

Unit:mm

Nominal Size

(T1)

(R2)

(R3)

Welding Length

Calculated Mass(kg)

Dia of Applicable Rope for Reference

Wire Rope

Hemp Rope

Fiber Rope

100

170

141

(10)

(30)

(18)

3.7

14(6×12)

150

250

110

205

105

(12)

(45)

(29)

10.5

16(6×12)

200

370

120

150

280

145

(16)

(60)

(40)

24.0

18(6×12)

Note:1. THE DIMENSION IN () IS ONLY FOR REFERENCE.

2. FOR APPLICABLE ROPES, REFERENCE IS MADE TO NO.4(4×24) OF JIS G 3525, FOR HEMP ROPE, TO CLASS L, GROUP 1 OF JIS L 2701.

3. SURFACE IN CONTACT WITH THE ROPE IN USE SHALL BE POLISHED SMOOTHLY.

Drawing 2 of JIS F 2005-1975:

Unit:mm

Nominal Size

Calculated Mass(kg)

Dia of Applicable Rope in reference

Wire Rope

Hemp Rope

250

100

250

434

160

200

372

100

192

20(6×12)

300

114

110

300

528

200

250

464

100

114

125

239

100

22.4(6×12)

350

125

350

600

220

250

485

110

125

250

110

103

24(6×24)

400

136

135

370

672

240

250

506

120

136

125

261

120

136

26(6×24)

450

148

150

400

746

260

250

528

130

148

125

273

130

184

30(6×24)

500

160

175

450

820

280

250

550

140

160

125

185

140

100

232

35.5(6×24)

Note: 1. For applicable reference is made to NO.4 (6×24) of JIS G 3525, for hemp rope to class 1, gruoup 1 of JIS L 2701.

2. Surface in contact with the rope in use shall be polished smoothly.