Hydraulic Ring Saw for Concrete Demolition & Cutting | ZONDAR

High-quality hydraulic ring saws for concrete demolition, cutting, and underwater applications. As China manufacturers, we provide handheld hydraulic ring saws, the model ZDRS40, a demolition saw and a concrete ring saws. Durable, efficient, and customizable solutions.

Hydraulic Ring Saw

ZDRS-40, Lightweight design, Large cutting depth, Original Manufacture in China
Deeper Cuts. Built for Rescue. Made by Experts.
With the ability to cut deeper than conventional circular saws, it’s the ultimate tool for emergency rescue, construction, and structural demolition.


Premium Portable Diamond Core Drill Stands for Professional Concrete Cutting

Zondar's portable Diamond Core Drill Stands are engineered for professionals who demand stability and precision in concrete cutting applications. Our diamond core drill stand for concrete features a robust yet lightweight aluminum alloy construction that provides exceptional rigidity during operation while remaining easy to transport between job sites. The portable design incorporates quick-setup mechanisms that allow for rapid deployment, significantly reducing downtime between drilling operations. With adjustable height and angle capabilities, these stands accommodate various drilling requirements in walls, floors, and ceilings. The diamond-enhanced cutting technology combined with our vibration-dampening stand design delivers cleaner cuts with reduced operator fatigue, making them ideal for extended concrete coring projects in construction, utility installation, and structural testing applications.

Reliable Diamond Core Drill Stand Solutions from Trusted Manufacturer

As a leading manufacturer of diamond core drill stands, Zondar combines precision engineering with durable materials to create tools that withstand the rigors of professional concrete cutting. Our diamond core drill stand for concrete manufacturing process utilizes high-grade materials and strict quality control measures to ensure each unit meets exacting performance standards. The stands feature smooth feed mechanisms that maintain consistent pressure during drilling operations, resulting in precise, vibration-free cuts through reinforced concrete and other tough materials. With specialized models available for both wet and dry drilling applications, our manufacturer-grade equipment provides solutions for diverse job site requirements. The diamond-impregnated cutting segments paired with our stable platform design offer superior cutting speed and longevity, reducing operational costs while improving productivity on construction sites and demolition projects.

When Standard Cutting Tools Fall Short

On construction and demolition sites worldwide, professionals frequently face a common challenge: traditional cutting tools reaching their limits. Whether it's insufficient cutting depth, excessive dust generation, or dangerous overheating, these limitations cost time, money, and safety. This is where the game-changing technology of the Hydraulic Concrete Ring Saw enters the picture. But what makes this tool different, and why are experts turning to solutions like the ZONDAR hydraulic ring saw for deeper, cleaner, and more efficient cuts? Understanding the core specifications of these powerful Ring Saws is the first step to unlocking their full potential on your next project.

What is a Ring Saw and Why Does It Cut Deeper?

Unlike traditional demolition saws or circular saws that rotate around a central axle, a Ring Saw features a unique, centerless ring-shaped blade. This revolutionary design allows the blade to penetrate materials much like a band saw, but with the rigidity and power needed for reinforced concrete and stone. The absence of a central axle is the key to its unparalleled cutting depth. Hydraulic ring saws leverage high-torque hydraulic power to drive these blades, making them ideal for creating large openings in walls, performing precise demolition on bridges, and executing critical rescue cuts in the most demanding conditions. This fundamental difference sets Ring Saws apart from conventional demolition saw ring tools.

How to Choose: 5 Critical Specifications for Your Concrete Ring Saw

Selecting the right tool is paramount for project success. Here are the five essential specifications you must evaluate before investing in a professional-grade concrete ring saw.

1. Cutting Depth and Operational Stability

The primary reason for choosing a ring saw is its ability to make deep cuts. A high-performance model like the Hydraulic Handheld Concrete Ring Saw from ZONDAR can achieve cutting depths of up to 400mm (approximately 16 inches). However, depth is meaningless without stability. The robustness of the gearbox and the consistent power delivery of the hydraulic system ensure the blade tracks true and resists binding, even at maximum depth. A quality hydraulic concrete ring saw is engineered to maintain stability, providing clean, straight cuts through the toughest materials.

2. Hydraulic Power System vs. Other Power Sources

The heart of any hydraulic ring saw is its power system. Hydraulic tools offer distinct advantages over electric or gasoline-powered alternatives, especially in harsh environments. The following table outlines the key differences:

Power Source Key Advantages Key Limitations
Hydraulic Intrinsically safe in wet, dusty environments; high power-to-weight ratio; excellent heat dissipation; reversible. Requires a hydraulic power pack; hose management.
Electric Easy to start; no exhaust fumes. Risk of electric shock in wet conditions; power cord limitations; can overheat under load.
Gasoline High power; completely portable. Exhaust fumes (unsuitable for confined spaces); loud operation; requires fuel mix and regular engine maintenance.

The ZONDAR hydraulic ring saw is designed to leverage these hydraulic advantages, offering reliable performance where other tools fail. As one of the leading China hydraulic tool manufacturers, ZONDAR ensures its systems are compatible with a wide range of power packs.

3. Handheld Design and Ergonomic Operation

For a tool of this power, maneuverability is crucial. A well-designed Handheld Hydraulic Ring Saw balances raw cutting force with user comfort. Features like a lightweight aluminum body, strategically placed handles, and low-vibration operation are not luxuries—they are necessities for productivity and operator safety over a full workday. When comparing a modern handheld hydraulic ring saw to a bulky, traditional demolition saw ring, the difference in operator fatigue and control is immediately apparent. Many suppliers now emphasize these ergonomic features in their high quality products.

4. Performance in Extreme Conditions: The Underwater Advantage

Some of the most challenging applications require cutting in submerged conditions. An Underwater Hydraulic Handheld Concrete Ring Saw is specifically engineered for this task. With specialized sealing to prevent water ingress and corrosion-resistant materials, these tools can operate flawlessly in flooded sites, for marine construction, or during underwater rescue operations. The handheld hydraulic underwater ring saw variant represents the pinnacle of this technology, offering unmatched versatility for divers and emergency response teams. This capability is a testament to the advanced engineering from specialized factories.

5. Model-Specific Analysis: The ZONDAR ZDRS40 Concrete Ring Saw

Specifications come to life in a specific model. The hydraulic concrete ring saw ZDRS40 from ZONDAR is a prime example of a professional-grade tool. Let's examine its key specs:

  • Max Cutting Depth: 400mm (15.7")
  • Blade Size: 600mm (24")
  • Required Oil Flow: 45-60 L/min
  • Working Pressure: 160 bar
  • Weight: 23 kg (a lightweight design for its class)

This ZONDAR ring saw model encapsulates all the critical specifications discussed: significant cutting depth, efficient hydraulic operation, a manageable handheld form factor, and the ruggedness for demanding environments. It serves as a benchmark for what to look for in a hydraulic concrete ring saw and is a popular product among global suppliers.

Why ZONDAR Ring Saws are a Preferred Choice

Beyond individual specifications, the overall value proposition matters. ZONDAR ring saws are built with a focus on durability, low maintenance, and sustained performance. Their hydraulic system is engineered for superior cooling and consistent power output, which prolongs blade life and reduces downtime. For companies looking for reliable, high quality products, ZONDAR has established a strong reputation as one of the trustworthy hydraulic tool manufacturers. The availability of customized solutions for specific rescue or industrial needs further enhances their appeal to professional users.

Making the Right Investment in a Professional Ring Saw

Choosing the right concrete ring saw is a strategic decision that impacts project efficiency, cost, and safety. By prioritizing cutting depth, understanding the benefits of a hydraulic system, valuing ergonomic handheld design, accounting for extreme environmental needs, and selecting a proven model from a reputable brand like ZONDAR, you can equip your team with a tool that delivers a clear return on investment. The ZONDAR hydraulic ring saw range, including the versatile ZDRS40, is engineered to meet these rigorous standards. Ready to see how a professional-grade hydraulic concrete ring saw can transform your cutting capabilities? Contact us today to get the full product catalog and connect with expert suppliers.

Product Description

The ZONDAR Hydraulic Ring Saw is engineered to outperform traditional cut-off saws, offering exceptional cutting depth, superior torque, and uncompromising reliability.

With the ability to cut deeper than conventional circular saws, it’s the ultimate tool for emergency rescue, construction, and structural demolition.

As one of the few specialized hydraulic rescue tool manufacturers in China, ZONDAR brings field-tested innovation and precision engineering to every product—trusted by rescue teams, construction units, and infrastructure crews across high-stakes applications.

Features
Unmatched Cutting DepthCuts up to 300mm deep, far exceeding traditional cut-off saws, perfect for thick concrete, brick, pipes, and steel-reinforced materials.
Lightweight Design: Lightweight and compact structure.
Superior Hydraulic Power: Maintains high torque and cutting speed under heavy load, no drop-off in performance over time, unlike gas or electric saws.
Designed for Rescue & Demolition: Enables rapid structural access in confined or hazardous environments, built for real-world use in emergencies, collapses, and fire rescues.
Low Vibration & Safer Handling: Reduces operator fatigue and enhances control, minimizes risk in unstable cutting conditions.
Field-Ready Durability: Operates in wet, dusty, or debris-filled zones, resistant to overheating, jamming, and wear.
Quick Connect & Easy Maintenance: Pairs seamlessly with ZONDAR hydraulic power units, minimal maintenance, long service life.

Applications:
Emergency rescue & disaster response
Firefighting, urban collapse, and structural entry
Civil engineering and utilities access
Deep wall, slab, and pipe cutting
Bridge, tunnel, and industrial demolition

Parameters Configuration

Model ZDRS-40
Weight/kg 12
Operating Flow /Lpm 20-40
Max.Pressure/Mpa 18
Cutting Depth/mm 300
Hose Connection Quick coupling
Application It is used for cutting, reinforced concrete, rock pipeline, masonry and other materials.

 

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