flat top 2 fall and 4 fall Building crane industrial crane

1. 2 Fall (Two Falls) Configuration: In a 2 fall system, the hoist rope is rigged in such a way that it passes over two sheaves (pulleys) before connecting to the load block or hook. This setup effectively doubles the pulling force exerted by the hoist motor, allowing for heavier lifts compared to a single line configuration. However, it also means that the lifting speed is halved since the cable has to travel twice the distance to lift the load the same height.

2. 4 Fall (Four Falls) Configuration: Similarly, a 4 fall configuration uses four parts of the hoist rope passing over pulleys, doubling the mechanical advantage compared to a 2 fall system. This configuration significantly increases the crane's lifting capacity, enabling it to handle very heavy loads. However, this comes at the cost of even slower lifting speeds, as the rope must travel four times the distance to lift the load the same height as in a single line configuration.

Sinocorp Ltd is the appointed professional manufacturer of tower crane by the State Bureau of Quality and Technical Supervision.Our company insist on "technology prosper the factory", depend on the R&D institute, the universities tech advantage and our own strength, develop QTZ5610,QTZ6010,QTZ6013,QTZ5023,QTZ6015,QTZ6515QTZ7016,QTZ7030,
QTZ7550,QTZ7040 Hammer Head Tower Crane,QTP5610,QTP6010,QTP6015,QTP6518,QTP7020,QTP7030,QTP7525,
QTP7532,QTP8025 flat-top Tower Crane, QTD4020,QTD4522,QTD5020,QTD5030,QTD5520,QTD6024 Luffing Tower Crane and SC100,SCD200,SC300 Building Construction Hoist .

We exported more than 100 countries, Choosing Tavol, I believe that our tower cranes will save you time and costs, but will also create greater value for you and add luster to your achievement of a greater cause

Q1: Are you a trading company or a factory?
A1: We are a trading company and have our own factory. We have both the price advantage of the factory and the thoughtful service of the trading company; and the advantage of taking responsibility.
Q2: How long is your delivery time?
A2: If the goods are in stock, usually 5-10 days. Or if the goods are not in stock, then 15-20 days, depending on the quantity.
Q3: Do you provide samples ?
A3: In this field, we seldom provide samples, but it depands.
Q4:Why choose us?
A4: First,our product quality assurance and warranty for one year, steel structure warranty for lifetime and the price is cheap ;Second,we have 11 years of industry experience, so we are very professional.
Q5:Can we visiting your factory?
A5: We warmly welcome your visiting.