Helicopter transmission stringing blocks can customized for the head board, and All of them are certified with ISO CE and feature 40-180KN traction force, 61-320kgs weight, 508, 660, 822 sheave diameter, 5-20days delivery time, 1000 sets one month supply ability, and 1 year warranty.

Helicopter transmission stringing blocks, its pulleys are designed to facilitate the stringing of the pilot rope by a helicopter. The central wheel guarantees the precise positioning of the rope, which is backed up by special guides. Additionally, the wheels of these pulleys are made of aluminum alloy and are mounted on ball bearings.

The lateral wheels have grooves lined with neoprene rings, whereas the central wheel's grooves are made of wear-proof interchangeable negatron sectors. The frame is made of galvanized steel and the pulleys are supplied with a fixed connection. Grounding device or complete conductive sheaves can also be provided upon request.

Helicopter Transmission Stringing Blocks parameters

Rubber lined MC nylon sheave for conductor can be customized.

822mm Large Diameter Stringing Blocks, no10148 type product is designed with the assembled structure. And it is really convenient to separate the conductor from middle sheave, thus helping reduce the weight during transportation.

Furthermore, we can also provide the rubber coated aluminum sheave; the rubber coated MC nylon sheave, as well as the reinforced nylon sheave coated by polyurethane.