ISO13713 Mooring Chocks Type A Deck Mounted

ISO13713 Mooring Chocks Type A Deck Mounted

Intruction of  ISO13713 Mooring Chocks

ISO13713 Mooring Chock is a kind of cast steel mooring chock which is fabricated according to the ISO13713 mooring chock standard.

This kind of ISO13713 Mooring Chocks  are normally adopted for ships which use nylon or other synthetic ropes other than wire ropes considering the small bending ratio (for wire ropes see ISO 13729 closed chock).

The tensile strength of rope is reduced depending on bend radius through the chock in accordance with the 

rope manufacturer's guidelines.

ISO Standard Chocks ISO13713 Mooring Chock is mainly for installations on the shipside to lead the mooring and towing rope from the ship's inboard to outboard.  

By mooring chock's installation site,  they can be classified as follows

• Type A – ISO13713  Deck-mounted mooring chock

• Type B-  ISO13713  Bulwark-mounted mooring chock.
  

ISO13713 Mooring Chocks Type A Deck Mounted

Nominal size	SWL		Weight	Dimension(mm)
(mm)	(kn)	(t)	(kg)	l1	l2	l3	B	H1	H2
250 X 200	353	36	73	100	250	444	160	377	80
300 X 250	491	50	121	110	300	536	200	468	100
350 X 250	589	60	151	125	350	608	220	489	110
400 X 250	736	75	200	135	400	682	240	511	120
450 X 250A	981	100	280	150	450	760	260	535	130
500 X 250A	1128	115	338	175	500	832	280	556	140
500B X 250B	1373	140	396	175	500	840	280	560	140