Welcome to Associated Wire Rope & Rigging .
Sea Link
391 Series Steel Shell Snatch Blocks
Outlines the 391 Series of steel shell snatch blocks for manila rope. These blocks are available with various top fittings (swivel eye, oblong eye, swivel hook) and support loads up to 16,000 lbs
Sea Link Steel Shell Snatch Blocks
The 391 Series Steel Shell Snatch Blocks provide a durable and efficient solution for rigging systems utilizing Manila rope. These blocks combine a robust steel shell construction with a snatch block design that allows for rapid rope insertion without reeving the entire line.
Engineering & Technical Standards
- Strict Safety Factor: All blocks in this series are engineered to a 4:1 Design Factor to ensure operational safety.
- High-Quality Bearings: Sheaves are standard-fitted with bronze bushings manufactured to SAE40 specifications.
- Self-Lubrication Option: Units can be ordered with self-lubricating graphite bronze sheave bushings per ASTM B438 for specialized maintenance needs.
- Durable Components: Every accessory used in the assembly of these blocks is forged for maximum structural reliability.
- Versatile Adaptation: While standard models are provided, custom models can be engineered upon request to meet specific job site requirements.
Configuration & Selection
The 391 Series is available with three primary head fitting configurations to suit various connection points:
-
- Swivel Eye w/ Shackle (DS)
- Oblong Swivel Eye (OS)
- Swivel Hook (SH)