——KZ SERIES——
There are KZ-1 (single), KZ-1J (enhanced-single) and KZ-2 (double). Connection made without rotation or torque, lock ring automatically locks pin and box together. It is designed with an anti-rotating device—anti-rotation pin, which can support a bigger torque and is widely used in the work of jack-up platforms, semi-submersible platforms, drilling ship and offshore jacket platforms.
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