Semi-Auto Twistlock

MODEL NO. NA-3J (PAT)                                       Feature
Easy unlocking operation
just turns up or down the handle
Symmetric
available of up side down use
with same functionavailable of
up side down use with same function
Safety lock pin(PAT)
twistlock never falling down from
container
Easily check
handle is up : the upper cone is open
handle is down : the lower cone is
open
Shock-absorber
to protect the handle from
mechanical shock
ISO requirements
strength and other specifications
including positive fall prevent
mechanism are fully compatible
with ISO
Availability
capable of being used with both
a hinged head or a fixed head type
lashing rod
Easy maintenance
means also so easy of disassemble
or reassemble

UPPER CONE
UNLOCK
LOCK POSITION
LOWER CONE
UNLOCK

MODEL NO.
B.L.

WEIGHT
TENSION
TON(kN)
SHEAR
TON(kN)
KG
Lbs
NA-3J
50(490.3)
42(411.9)
7.2
15.8


Final safety plus something extra will bring you a treasure!

After a long history of study and field trial for developing an ideal twistlock, we have finally come up with this NA-3J twistlock.
MINATO SEIKI IRON WORKS CO.,LTD. now proudly supply the newest and best twistlock to shipping agents and fleets of vessels all over the world.

It has many remarkable features. Handle operation is extremely easy thanks to ergonomics studies. The method of safety checking by an operator is quite compatible with the human's instinctive sensibility. Its design and positive safety mechanism are in accordance with the latest relevant ISO requirements.

Any features of the NA-3J twistlock are the natural results of many years of efforts in making the twistlock perfect.

We hope this perfect twistlock will be used in the world's port terminals as well as on every container ship helping in making the container loading and unloading work ever safer and easier.


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