Water Swelling Anchor
- -The Water Swelling Anchor is a friction bolt made from pressed steel tubing.
- -Water Swelling Anchor expands and unfolds in the rock hole through the pressure of water.
- -The installation is convenient and fast and can provide uniform support for the rock strata.
- -It is suitable for rock strata under various conditions.
Water Swelling Anchor Introduction
Water Swelling Anchor is made of seamless steel bars with an outer diameter larger than the drilled diameter. No nut equipment is required. They are double-layer special-shaped tubular rods. The components include end sleeves, special-shaped pipe rods, retaining rings, water injection pipes, plates, etc. Compared with other anchors, water swelling anchors are characterized by large anchoring force, immediate load-bearing ability, no loss, and easy storage.
Water Swelling Anchor Key Features
Installation is quick and seamless.
There's no need for resin or grout.
Maintains stability amid blasting vibrations and fluctuating rock strengths.
Features a wide expansion range for uniform load distribution throughout the hole.
Provides instant structural reinforcement.
Two designs of Water Swelling Anchor
> Swellex Bolt
> New improved Bolt with non-return valve which limits "spring-back" giving increased pull-out resistance and keeps high strength expansion.
| Item Description | Tube Thickness(mm) | Inflated Bolt Dia (mm) | Drill Hole Dia (mm) | Minimum UTS (mm) | Elongation% | Mass/Meter |
| 27mm | 2 | 41 | 35-38 | 120 | 10 | 2kg/m |
| 27mm | 2 | 54 | 45-51 | 160 | 10 | 2.8kg/m |
| 37mm | 3 | 54 | 45-51 | 240 | 10 | 3.75kg/m |
> Water Swelling Anchor Accessories
> Water Swelling Anchor Length
Length: 0.9m to 3.0m or as requested.
> Surface: Black / Plastic coated / Thermal Diffused or as requested.
