⭐ Capstone Water Bag – Hydraulic Expansion Bag for Stone Quarry Block Pushing
The Capstone Water Bag (also known as a Hydro Bag / Water Hydro Bag) is a high-efficiency hydraulic cushion tool designed for safe, clean, and powerful block separation and extraction in stone quarries. It uses water pressure instead of oil or air to create controlled expansion force, allowing massive stone blocks - such as marble, granite, limestone, sandstone, and other natural rock - to be gently separated from the quarry face after cutting.
🎯 Key Features & Advantages
🔹 Proven Quarry Block Pushing Performance
Capstone Water Bags are engineered to slide easily into narrow seams or wire-saw cuts due to their ultra-slim design (often only around 2 mm thick), allowing precise block movement immediately after diamond wire sawing.
🔹 Powerful Thrust via Water Expansion
Under water pressure typically between 30–40 bar, the water bag expands - increasing in thickness and exerting strong thrust forces capable of separating blocks weighing up to ~1000 tonnes or more (when used in combination).
🔹 Environmentally Friendly & Safer Operation
Unlike traditional hydraulic jacks that use oil, the Capstone Water Bag uses water as the dilatation fluid, eliminating environmental contamination risk and improving operator safety. Even in rare over-pressure events, water expansion means there's no combustion risk.
🔹 Reduced Noise, Minimal Dust & Vibration
As a non-explosive and low-impact method, water bags help reduce noise and dust on quarry sites - important for both worker safety and environmental compliance.
🔹 Easy Installation & Low Maintenance
With slim, flexible construction and simple hydraulics, water bags are fast to install and require minimal upkeep; when their service life ends, they can be disposed of easily.
🛠️ Applications
Stone Block Extraction - Pushing down large blocks after diamond wire cutting
Quarry Block Separation - Ideal for marble, granite, limestone, travertine, and sandstone quarries
Environment-Sensitive Quarry Sites - Low-impact block removal without blasting
Urban Quarrying & Restricted Areas - Reduced vibration and dust for safer extraction
Large Block Handling - Suitable for blocks weighing hundreds to thousands of tonnes when multiple bags are combined
📊 Typical Specification Highlights (customizable per project)
| Feature | Typical Value |
|---|---|
| Material | High-tensile steel + rubber/water-tight membrane |
| Thickness (un-inflated) | Approx. 2 mm (insertable into wire saw cuts) |
| Expansion Thickness | Up to ~25–30 cm (≈ 1 ft) |
| Operating Pressure | ~30–40 bar |
| Thrust Force (per bag) | Up to ~1000 tons (when used in packs) |
| Inflation Medium | Water (safe, eco-friendly) |
Note: Actual sizes, pressure ratings, and thrust capacities may vary by model and configuration - water bags can be used individually or in series to achieve greater force based on quarry block size and weight.
📌 Why Capstone Water Bag Stands Out
✔ High Force Block Separation
Capstone Water Bags deliver strong pushing power that can replace or augment traditional mechanical jacks and splitters, speeding up quarry operations.
✔ Eco-Safe Quarry Extraction
Because they use only water, these bags reduce environmental hazards associated with oil leakage and explosive methods.
✔ Simple & Efficient Quarry Workflow
Insert into narrow cuts, pump with water through a high-pressure pump, and watch blocks separate cleanly - improving quarry productivity and reducing labor.
🧰 Installation & Use Tips
Ensure the bag is fully inserted into the wire saw or cutting seam before inflation.
Use a compatible high-pressure water pump (30–40 bar) with safety valves and quick couplings.
For larger blocks, operate multiple bags side-by-side or in stacked configurations.
Always follow safety guidelines and monitor pressure gauges during inflation.
Packing, Storage, Handling and Transportation
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