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Sava – Large Plugs – PLUGY & PLUGSY
When the job demands dependable pipe isolation, testing, or flow stopping across a wide range of pipe diameters, the Sava PLUGY & PLUGSY range at HTC delivers industrial-grade performance trusted by contractors, utilities, and civil infrastructure teams.
Designed for flexibility, durability, and ease of handling, these multi-size pneumatic pipe plugs are ideal for wastewater, stormwater, sewer, industrial, and pipeline maintenance applications.
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Built for Large Diameter Pipe Applications
The Sava PLUGY and PLUGSY range is engineered to seal and test pipework from 40mm through to 1800mm diameter. Their overlapping multi-size design means fewer plugs are required on-site, helping crews work faster while reducing equipment inventory.
Manufactured with reinforced aramid cord construction, these plugs are designed to withstand demanding conditions while remaining highly flexible for insertion through manholes, bends, and tight access points.
PLUGY vs PLUGSY – What’s the Difference?
PLUGY – Blocking Plugs
PLUGY plugs are designed for complete pipe sealing and isolation. They are ideal for:
- Pipe maintenance and repair
- Leak detection
- Line isolation
- EN 1610 tightness testing
- General sewer and stormwater works
Their lightweight and flexible construction allows for quick deployment even in difficult access environments.
PLUGSY – Bypass Plugs
PLUGSY models include an integrated bypass, allowing flow-through capability while maintaining a secure seal.
Ideal applications include:
- Pipeline testing with flow-through
- Temporary bypass operations
- Controlled drainage applications
- Utility and municipal maintenance works
Bypass sizes are available up to 4 inches on larger models, supporting high-volume flow management during critical operations.
Key Features
Wide Pipe Coverage
One plug covers multiple pipe sizes, reducing the number of plugs needed on-site.
Aramid Reinforcement
Heavy-duty reinforced construction improves durability and pressure resistance.
Flexible Construction
Designed to bend easily around corners and through confined access areas.
Oil-Resistant Options Available
Suitable for industrial and specialised environments where chemical or oil resistance is required.
Suitable for EN 1610 Testing
Reliable performance for sewer and drainage tightness testing applications.
Available Sizes
The range includes solutions for:
- Small utility pipelines
- Municipal sewer infrastructure
- Stormwater systems
- Large civil and industrial pipelines
Available coverage ranges include:
- 40–70mm
- 70–150mm
- 100–200mm
- 150–300mm
- 200–400mm
- 350–600mm
- 500–1000mm
- 600–1200mm
- Up to 800–1800mm
Accessories & System Components
HTC also supplies a complete range of compatible accessories including:
- Inflation hoses
- Single fitting controllers
- Deadman safety controllers
- Poly lift inflation hoses
- Remote placement systems
- Telescopic aluminium poles
These accessories help improve operator safety and simplify deployment on large-scale jobs.
The Sava PLUGY & PLUGSY range is suitable for:
- Sewer maintenance
- Stormwater pipeline testing
- Civil construction projects
- Water infrastructure upgrades
- Industrial shutdowns
- Pipe rehabilitation works
- Leak and pressure testing
- Municipal utility maintenance
Why Choose HTC?
As New Zealand’s specialists in pipeline sealing and testing equipment, HTC Specialised Tools supplies proven Sava solutions backed by local support and industry expertise.
Whether you need a compact isolation plug or a large-scale bypass solution for municipal infrastructure, HTC can help specify the right setup for your application.





