GMP 4 Inch Manhole Sheave

The Manhole Sheave or “Pittsburgh” is used to guide pulling line or cable over the manhole edge when placing and removing cable in manholes which are equipped with pulling in irons to support a sheave and shackle assembly.

Features:

• Consists of a reinforced, heat-treated wrought aluminum alloy frame with two self-lubricating, bronze bushed aluminum sheaves
• The frame also has a hole in each side plate so you can insert a 1 1/4 in. (32mm) dia. digging bar parallel to the ground to keep the sheave from being knocked into the manhole
• Accommodates cable up to 4 inches (100mm) in diameter

Specifications:

• Weight:   55 lbs. (24kg)
• Approximate overall unit dimensions:   30”(L) x 12”(W) x 22”(H)
• Accommodates cable up to 4 inches (100mm) in diameter
• Rated at 7,500 lbs. (3.3kN)