Single Nylon Sheave Pulley Stringing Blocks

• Customization: Available
• Automatic Grade: Manual
• Driven Type: Electric
• Model NO.: G1439
• Warranty: 12 Months
• Material: Aluminum
• Rated Load: 5~20kN
• Specificate: Nylon or Cast Steel Sheave
• Surface Treatment: Oxygenation
• Sheave Features: 1-7
• Origin: China
• HS Code: 8428909090
• Production Capacity: 5000piece/Month

Product Description

1. 508mm, 660mm aluminum alloy sheave can be lined with rubber.
2. 660mm, 822mm, 916mm, 1040mm nylon sheave can be lined with rubber
3. Three sheaves and five sheaves helicopter stringing blocks are available for two bundle conductor and four bundle conductors stringing.

Helicopter pay-off tackle is a special occasion handling tool, usually used in construction sites or fields and other environments, by the helicopter to suspend and move heavy objects. This device usually consists of a pulley system, a hook, and a detachable sling.

The working principle of the helicopter pay-off block is to hang the hook on the lifting line of the helicopter, the helicopter will lift the lifting line vertically, and then the worker by operating the control rod or rope on the pay-off block, so that the weight on the hook can move along the pay-off block. Usually, this tool needs to be operated by an experienced operator to ensure a safe and reliable handling process.

The helicopter pay-off block is suitable for moving large amounts of heavy objects quickly or in difficult terrain where traditional means of transport are not possible. It has the advantage of being able to move heavy items quickly and can cover a large area, but it is more expensive to use and requires a high level of skill and experience of the operator.
 

No.	Model	Number of Sheave	Suitable Conductor	Rated Load (KN)	Weight (kg)	Remark
G1439	SHD-120x30	1	LGJ25-70	5	1.5	Aluminium sheave
G1440	SHD-160x40	1	LGJ95-120	10	2.5
G1441	SHD-200x40	1	LGJ150-240	15	4
G1442	SHD-200x60	1	LGJ150-240	15	4.6
G1443	SHD-250x40	1	LGJ150-240	20	4.6
G1444	SHD-250x60	1	LGJ300-400	20	6
G1445	SHD-270x60	1	LGJ300-400	20	7
G1446	SHD-320x60	1	LGJ300-400	20	9.5
G1447	SHD-400x80	1	LGJ400-500	20	15
G1448	SHDN-120x30	1	LGJ25-70	5	1.5	Nylon Sheave
G1449	SHDN-160x40	1	LGJ95-120	10	2.5
G1450	SHDN-200x40	1	LGJ150-240	15	3.6
G1451	SHDN-200x60	1	LGJ150-240	15	4
G1452	SHDN-250x40	1	LGJ150-240	20	4
G1453	SHDN-250x60	1	LGJ300-400	20	4.5
G1454	SHDN-270x60	1	LGJ300-400	20	5.6
G1455	SHDN-320x60	1	LGJ300-400	20	6.7
G1456	SHDN-400x80	1	LGJ400-500	20	13