Basic parameters of Type B marine block

As there are requirements for the resistant to corrosion and impact force, Tongli Block Design Center has

innovated and adopted reinforced plates and special sealing device. Thus, impact force has been greatly

strengthened and hoisting and pulling and pushing safety is greatly improved. A, B, C, D and ZHC marine

blocks are available. The solution for hoisting and underwater hauling is provided for dozens of

shipbuilding enterprises, including Tianjin Ship Yard, Shanghai Ship Yard and Yantai Raffles and so on.

They wer e awar ded wi th C hina C lassification Soci ety C ertification i n 2 012. T he cer tification No.:

QH11W00020T.

Technology advantages:

1. Reinforced plate and special sealing device: resistance to corrosion. Both sides of the middle shaft are installed with water-proofing

sealing devices.

2. Alloy material: the ring and hook are made of high-quality 20Mn or 35CrMo.

3. Equipped with JDB embedded solid oily copper alloy sliding bearing: greatly improve the impact force.

4. The bundled chain ring and clamp ring are forged by alloy steel, with bronze bushing.

5. The steel cable tortoise shell is made of steel casting. The pulley rotates flexibly with long cylindrical roller bearing. Thus

Certificates:

1.“China Classification Society Certificate” (CCS) .

2. Recommended product of International Trade Court .

Application cases:

Since marine tackles are put into the market, they are generally praised and approved by the clients at home and abroad. Special

tackles with large tonnage (400T-800T) have been customized for shipyards from Singapore, Chile, Japan, Russia and Malaysia.

Yantai raffles Asia's first six - generation semi-submersible platform launched.

Basic parameters of Type A marine block

The safest product comes from the most trusted process technology!