Chain Block Iran

china vital 1 ton chain block

The 1-ton manual chain hoist, VITAL design, is a reliable mechanical lifting device for handling loads in industrial, workshop, and construction environments, operating with a simple mechanism without the need for electricity or hydraulics. This hoist features a durable steel body with anti-rust and wear-resistant coating, ensuring consistent performance against impact and harsh weather conditions. Its internal system consists of heat-treated steel gears with high surface hardness typically in the 50–60 HRC range and a safety factor of 4:1, allowing it to safely handle a rated load of 1000 kg. The automatic brake mechanism, equipped with wear-resistant friction plates, ensures secure load holding at any height and prevents sudden load release. Due to its compact design and lighter weight compared to similar models, this hoist is easy to transport and install in various worksite locations.

The load chain of the 1-ton manual chain hoist, VITAL design, is typically made from alloy manganese steel with a **G80** grade, compliant with **EN 818-7** standards for lifting applications. The chain size is generally **6 mm**, with a nominal tensile strength of approximately **800 MPa**, capable of withstanding both shock loads and long-term use. The chain surface is protected with a bl

chinese 5 ton chain block

**Paragraph 1 Technical Specifications of 5-ton Vital Chain Hoist – Chinese Model:**
The 5-ton Vital VITAL manual chain hoist from China is designed for heavy-duty industrial applications with a precise load capacity of 5,000 kg. It features a high-carbon steel chain with 800 MPa tensile strength and hardened-tooth gear mechanisms. The standard chain length is 3 meters, extendable up to 6 meters. The body is constructed from impact-resistant steel with an anti-corrosion epoxy coating. A dual-action centrifugal brake system ensures operational safety. The unit weighs 28 kg and operates within a temperature range of -25°C to +60°C. This model complies with ISO 9001, CE, and GS standards.

**Paragraph 2 Comparison with Japanese Original Product:**
Japanese hoists like KITO’s 5-ton models use alloy steel with 1,000 MPa strength and chrome-molybdenum chains for enhanced durability. Manufacturing precision in Japanese units reaches ±1%, compared to ±2% in the Chinese Vital model. The braking system in Japanese hoists carries TUV certification, while the Chinese version meets only CE standards. Japanese hoists weigh around 25 kg and operate from -30°C to +70°C. Pricing for Japanese hoists is 40% higher than the Chinese Vital model, but they come with a 5-year warrant

chinese 3 ton chain block

The 3-ton manual chain hoist, Chinese VITAL design, is engineered for the safe handling of heavy loads in industrial sites, workshops, and construction projects. The unit features an alloy steel body with an anti-rust and wear-resistant coating, ensuring long service life. Its power transmission system includes heat-treated steel gears with a surface hardness of approximately 55–60 HRC and lubricated bearings to reduce friction. The hoist has a rated capacity of 3000 kg and a standard lifting height of 3 meters, making it suitable for various applications. The net weight is approximately 28–32 kg, which, despite the high capacity, allows for relatively easy transport and installation.

The load chain of this hoist is made from manganese alloy steel, grade G80, and meets EN 818-7 standards for heavy lifting applications. The chain size is typically 10 mm, with a tensile strength of around 800 MPa, capable of handling both dynamic and static loads. The chain surface is treated with black phosphate or galvanized coating for enhanced corrosion resistance. The hoist usually has a safety factor of 4:1, which in static tests means withstanding at least 12,000 kg before failure. These features make this model a reliable choice for industrial and heavy-duty operations.

Chain block G80 chain

The G80 chain for chain hoists is a specialized industrial product designed for load lifting and handling in workshops and industrial environments. This chain is made from high-strength alloy steel and undergoes precise heat treatment and annealing to achieve high tensile strength and long-lasting durability. Standard link sizes typically range from 6 mm to 32 mm, with load capacities from 1 to 6.3 tons depending on size. A minimum safety factor of 4:1 is maintained. The engineered link design ensures uniform stress distribution, reducing the risk of breakage and guaranteeing safe, reliable operation.

Structurally, the G80 chain features forged links resistant to wear and mechanical fatigue. The surface is typically protected with anti-corrosion coating, industrial paint, or galvanization, making it resistant to moisture and corrosive environments. This chain is suitable for use in manual hoists, overhead cranes, and heavy-duty pulling and lifting systems. Easy installation, high flexibility, and resistance to extreme stress are key advantages. Due to its durability and safety, the G80 chain is widely used in construction, oil and gas, mining, and industrial workshops.

HAND CHAIN BLOCK

Manual chain hoists are typically constructed from structural carbon steel ST37 or ST52 with tensile strength of 370 to 520 MPa. Their standard lifting capacity ranges from 0.5 to 20 tonnes. The main boom is often telescopic with a maximum length of 6 meters. The lifting system consists of a gear and an alloy steel chain, Grade 8, with a minimum breaking strength of 800 MPa. The gear ratio in the manual mechanism is designed between 1:15 and 1:30 for mechanical advantage. The base is equipped with cast iron wheels, 150 to 300 mm in diameter. These wheels can withstand a static load up to 4 times the rated capacity.

The hoist structure features a welded H-shaped or triangular frame base. The boom angle is typically adjustable up to 75 degrees. Safety is ensured by mechanical locks at joints and an automatic load brake on the drum. The steel wire rope is of type 6x19 with a steel core and a minimum safety factor of 5:1. The units self-weight ranges from 50 to 400 kg depending on capacity. An epoxy or galvanized coating increases corrosion resistance to over 500 hours in salt spray test. Ideal load positioning accuracy is within ±2 cm.

2D chain block

The dual-function manual chain hoist is a widely used mechanical device for lifting and pulling loads in industrial and workshop environments. It is designed with a rated capacity ranging from 0.5 to 3 tons and supports both lever and chain manual mechanisms simultaneously. The load chain length typically ranges from 1.5 to 3 meters and is manufactured from alloy steel grade G80 or G100. The minimum safety factor of the chain is 4 to 1. Operator effort is optimized to reduce required force while increasing mechanical efficiency. These features ensure safe and precise operation.

Structurally, the dual-function manual chain hoist features a robust steel body with anti corrosion coating. An automatic mechanical brake system prevents sudden load dropping. The upper and lower hooks are forged from high strength steel and equipped with safety latches. The hoist can be used vertically for lifting and horizontally for pulling operations. Depending on capacity, the unit weight ranges from 10 to 28 kilograms. This hoist is a reliable choice for workshops, construction sites, industrial maintenance, and assembly lines.

VITAL Manual chain block

The VITAL manual chain hoist is a high-precision mechanical lifting tool designed for moving heavy loads in workshops and industrial environments. Its body is made of durable alloy steel with a powder-coated finish, ensuring resistance to impact and corrosion. Load capacity ranges from 0.5 to 5 tons, with standard chain lengths of 1.5 to 3 meters. The industrial gear system, with gear ratios from 4:1 to 6:1, allows force multiplication and reduces operator effort. The steel chain is hardened and coated with chrome or galvanization for anti-rust and wear resistance.

Structurally, the VITAL manual chain hoist includes top and bottom hooks with safety latches and an automatic mechanical braking system to prevent load drop. Gears and load pins are made of hardened steel, capable of withstanding pressures between 1500 and 3000 N/mm². Ergonomic handles and rotation axes reduce operator fatigue during extended use. This hoist is widely used in workshops, production lines, warehouses, and construction sites, providing stable and safe operation within temperatures from −20°C to +50°C.

5 ton chinese vital chain block

This hoist is designed for vertical lifting of loads up to 5 tons by hand. The load chain has a minimum safety factor of 4 to 1. The chain is made from Grade 8 alloy steel with a tensile strength of 800 N/mm². Gears are made from hardened steel with precision machined teeth. The design provides a standard gear reduction ratio of 30 to 1. This ratio reduces required user force to approximately 34 kgf. The body is constructed from quality cast steel with minimum tensile strength of 400 MPa. The hook is forged steel, proof-tested to 12.5 tons per standard.

The automatic brake system is mechanical and load-sensitive. It prevents uncontrolled descent even if the lever is released. Galvanized roller bearings are used for smooth operation in harsh environments. Unit weight typically ranges from 20 to 25 kg depending on chain length. The standard chain length is 3 meters. Options for 6 and 9 meters are also available. This hoist is suitable for use in temperatures from -20°C to +150°C. Periodic lubrication of all moving parts is essential for optimal performance.

HAND CHAIN BLOCK

A manual hoist is a mechanical tool for moving heavy loads in industrial, workshop, and construction environments, relying on human force. It is made of durable steel with industrial or powder coating, with load capacities ranging from 0.5 to 5 tons. The internal gear system, with gear ratios from 4:1 to 6:1, multiplies operator force, allowing lifting of heavy loads. High-strength steel chains with diameters of 6 to 12 mm are used, equipped with an automatic mechanical brake for safe load stopping.

Structurally, the manual hoist features top and bottom hooks with safety latches and hardened steel pins to prevent accidental load drops. Gears and internal shafts are precision machined to reduce play and stress concentration. Chain length and lifting height are adjustable, with stable operation in temperatures from −20°C to +50°C. This hoist is widely used in warehouses, production lines, construction projects, and light industries, ensuring high safety and durability.

genuine chain block

Due to the fact that hand chain cranes do not require electricity, this industrial product is widely used in workshops. Hand chain crane is a tool in the form of a block with simple and limited components, which provides users with the ability to carry loads of up to 25 tons without the need for special electrical equipment. The only requirement for using the manual chain crane that can be found in the market in its original form and design is to have ceiling weight capabilities, i.e. a hook with stable weight conditions or a ceiling rail that is installed by using iron sharps.
The manual chain crane uses a chain to connect the load to the crane and also as a connection to transfer the power of the hand and move the load.

chinese vital chain block

The manual chain overhead crane is used both as 2-way and 4-way. The 2-way chain hand crane uses a hook to connect to the ceiling hook and does not have the ability to move the load horizontally after lifting. Vial 2-way chain hand crane can be supplied in the original form of Japanese production in Dena Bexal trading, and also in the Chinese design, which are often used in the tonnage of 1 to 10 tons. The main examples of Vital chain hand cranes are manufactured according to AS1418.2 standard and have extra load safety protection and are marketed along with JIS and ISO standards.

5 ton chain block china

VITAL 5 ton manual crane can be supplied both in the original production of the prestigious Vital brand of Japan and in the Chinese production plan in Top Wire Trading. The 5-ton manual crane is supplied as a 2-function, that is, with a hook for ceiling connection and only with the ability of vertical lifting, and with the ability to be converted into a 4-function. The 5-ton 4-function manual crane is supplied with a carriage that can be simple manual or chain type, which provides the conditions for horizontal transfer of the load after lifting.

Harrington 2 ton chain block

Harrington hand crane is actually a product of the United States, while the examples available in the Iranian market are made in China and are designed and sampled from the original product. Harringtons 2 ton manual crane uses a 6 mm hand chain, which is produced in the low grade of G43, and its movement is done manually by the operator. At the point of connection to the load, the Harrington 2 ton chain hoist uses a dry steel chain in G80 grade and 10 mm in size, which is matte black in color and has a very high tensile capacity.

VITAL 1 ton chain block

VITAL 1 ton chain block is a mechanical tool made in Japan that is used in work shops and warehouses for lifting weights and usually is used as a 2D product only to lift objects. chain blocks use two chains within the body one that is known as hand chain is produced of low carbon steel and the load chain is produced of high carbon chain.

Chain block

Chain block is a mechanical lifting instrument that performs absent requirement of electric power. chain blocks are available in various lifting capacities up to 25 ton and uses two different grades of chain for lifting purposes. VITAL is the most well-known manufacturer of chain blocks in the world.