When the job demands dependable pipe isolation, testing, or flow stopping specifically for manhole tightness testing, the Sava PLUGSY VJ manhole-plug range at HTC delivers industrial-grade performance trusted by contractors, utilities, and civil infrastructure teams.

Designed for flexibility, durability, and ease of handling, these specialized pneumatic pipe plugs feature a short and light construction, allowing them to exhibit excellent sealing and containment characteristics across manhole structures from 600 mm up to 1000 mm. They feature a special narrow design to fit manholes perfectly, a high-quality rubber body equipped with a special sealing and protection foam, and three integrated eyebolts to ensure simple vertical insertion. Perfect for compliance-driven infrastructure works, this heavy-duty range is fully suitable for EN 1610 testing standards, simplifying handling during demanding utility and municipal maintenance applications.

When the job demands dependable pipe isolation, testing, or flow stopping under extremely high back pressures, the Sava PLUGY HP high-pressure range at HTC delivers industrial-grade performance trusted by contractors, water utilities, and industrial maintenance teams.

Designed for extreme durability, safety, and heavy-duty performance, these multi-size pneumatic blocking plugs are engineered with special reinforcement, allowing them to exhibit superior sealing and structural containment characteristics across all types of pipelines from 100 mm up to 600 mm. They feature a robust construction capable of withstanding high back pressures up to 10 bar, a standard R 1/4″ inflation valve compatible with precise high-pressure controllers, and balanced, heavy-duty eyebolts to simplify manipulation. Perfect for critical main-line interventions, this specialized range is available in both 6 bar (87 psi) and 12 bar (174 psi) working pressure models for demanding pipeline maintenance applications.